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in a sentence ? Here are some examples. is incoherent for deep metaphysical and empirical reasons.
To test this could throw useful light on seasonal regulation of northern insects.
In 1915, with his theory of general relativity, Einstein extended this to include gravitation.
Democracies work well, and my is that this is because people in the mass have a different kind of intelligence at work.
To test this , we established 20 X 30 m field plots of lima beans with many pods and with few pods.
However, this has never been systematically tested using mortuary data from sites representing this time period.
Saccheri then studied the of the acute angle and derived many theorems of non-Euclidean geometry without realising what he was doing.
They may not have given sufficient weight to two other factors, one an arguable and the other a central fact of British politics.
This NY Times article describes Dr. Amar J. S. Klar's that there is a specific dominant gene that causes right-handedness.
Einstein used Planck's quantum to describe the electromagnetic radiation of light.
For, even by his simplistic , it is difficult to tell in which half Floyd lies.
You start with the that an applicant is serving a life sentence.
One of my objections to the has been that it's hard to rationalize, mechanistically.
My hypothesis that the watch is in your pocket because you stole it, is not an ad hoc .
According to the heterotroph , hydrogen was not a chief component of the atmosphere when life began.
This provides a rationale for a respecting adstrate development in the area.
Further data of the energetic cost of breeding for males and females of other ratite species would be valuable for testing that .
They do not lend themselves, as entities or wholes, to scientific testing.
This contradicts the view that people fight to secure control over environmental riches.
Where the influence of a stream or river is possible, even of short duration, that should be considered.
If you're looking for a , it may be interesting to document how different antenna lengths impact radio reception.
The segmented market explains the yield curve's shape in terms of relative supply and demand for securities at different maturities.
This needs to be tested by using long acting and short acting antimalarials and studying their effect on immune responses.
With the growth of anatomical knowledge, the literal of the morbidly wandering womb became increasingly untenable.
Evolutionary biologists call this phenomenon, in which an organism evolves just to stay in place, the Red Queen .
This, of course, is all debatable as well, but it at least seems like a working .
Take the case of accepting something as a working or for the sake of argument.
The wrangler has no to establish or no concern for truth but the only aim is to create doubt regarding well established facts.
Our secondary was that relapse rates would be same in the two treatment regimens.
Our data support the that bone lead may be mobilized during pregnancy and lactation.
Our study supports the of allogenic coexistence of American beech and sugar maple in Warren Woods.
This phylogenetic had been held valid until it was recently reinvestigated.
But detailed examination of Yanomami ecology failed to support Harris's .
If, however, we adopt the second , we have to inquire only as to the relation between cause and effect.
We used the test with Yates's correction to avoid spurious rejection of the null when expectations are too small.
I pondered the significance of this statement before agreeing, yes, his may prove correct.
She had covered most of the distance when the light turned amber, then green, thus confirming her .
This has led to the that this treatment may be helpful in dampening that lateralized hyperexcitability.
In other work, I have used the inverted spectrum as an argument against functionalism and representationism.
This study supported the that plateau zokor kept their gut capacity stable in the natural environment.
Thus, testing the developed in this paper remains a future research objective.
Our results provide further support for the that the male genital tract may serve as a reservoir of HPV infection.
A third is that depression occurs through the same biologic mechanisms as the underlying disease.
Nonetheless, the circadian clock of plants is currently being dissected and this evidence may be helpful for formation.
Scientists can't check Ohno's by watching the DVD of the Y's life story, complete with quadraphonic sound.
This well explains why even the same cave has different patterns of calving and different chisel marks.
The foregoing is not to say that Newton does not appreciate the fact that a phylogenetic can be important in biogeography.
He concluded that the only tenable for the horse's abilities was that the horse was telepathic.
I think I mostly agree with Chris's , albeit with a couple of important qualifications.
Although these results do not definitively pinpoint the source of the steps, they confirm the earlier that shortening is quantal.
Carried to its extreme, this suggests that at one time all the matter of the universe was compacted together.
If this should be mistaken, there still remains a curious mystery here.
During a short tea break, Dyson had connected quantum physics with the Riemann .
All that was necessary to test that was to get on a ship and go to one of these uncharted areas and see.
There are some other small details militating against the jogging .
Finally, we propose a biogeographical of speciation events within the N. mediocris species complex.
According to this , the profit was to be found in the saving in transport and tariffs.
These ideas were largely a carry over from Edward Forbes in the late 1800's, who proposed the azoic for the deep sea.
A long-discredited to explain this holds that substituting carbs and sugar for fat is a bad trade-off.
The other major invokes particle charging interactions of either an inductive or microphysical nature.
Ostrom introduced the cursorial predator of the origin of avian flight.
In part, the involved tiny grains of the naturally magnetic mineral magnetite, which is commonly found in basalt.
Unlike my , she speaks in her baroque and breathless way not only when upset or anxious but also when she is up and effusive.
It is a simple chemical, and a viable is that autointoxication by similar molecules may cause sporadic diseases.
The is that autistics fail at holistic processing of an image, instead remaining focused on its individual parts.
In this , the silts form by aeolian abrasion and attrition of sand grains and by rock-weathering processes.
Confirming Frank's involves not only undercooling the right material, but also measuring its atomic structure.
The analysis presented here shows that filling in some blanks in the current matrix will not overturn the optimal it supports.
Furthermore, our measurements of 10 atm of adhesion pressure strongly contradict the suction .
The of this study was that variation in observed plant associations were correlated with variations in soil properties.
However, he insisted that figure was a and that the final toll was not expected for several weeks.
A possible is that he and his allies did not reveal the existence of 60 Armalite rifles to the IRA's Belfast Brigade leaders.
Voltinism bears on the , especially in regard to T2 species, in two respects.
It is biogeochemistry that lends substance to the that Ediacaran and Cambrian faunas are separated by mass extinction.
Other studies also have concluded that tissue allocation does not adequately explain control of growth of Arctic geese.
The idea was to test his exchange rate in a tightly specified model.
This is based on lithological variations in lacustrine rocks from eastern China, but there is a large degree of uncertainty with this .
This biogenetic indicates an alternative pathway to produce these metabolites, leading to a new class of indole alkaloids.
If evidence is to be found to support such a , it will be by examining patterns of genomic organization.
Therefore, the collapse is not self-consistent with the initial scaling and consequently is incorrect.
However, such a is again unable to explain the selective maintenance of alleles in humans.
The multidimensionality of racial identity and its impact on the various communication dimensions of classroom learning led to the following research question and .
To test this in the two fossil species, I measured eight aspects of 60 astragali from UCMP locality 1100, the type locality of S. nevadanus.
For the most part, these questions should be held in abeyance until other researchers either validate or disprove the outlined in the present study.
One is the dual coding that imaginal and verbal codes are mnemonically independent and, therefore, additive in their effects on item memory.
The first assumes that triploidy is associated with the origin of parthenogenesis and that both diploid and tetraploid parthenogenetic forms are derived.
Similarly, the initial is often way off base and this subtly drives home the fact that whilst these people are supremely good at their jobs, no one is perfect.
The results of analysis of the amphimictic progenies confirmed the proposed earlier that the development of black patches in koi is controlled by one dominant gene.
The present paper investigates the that accumulation of metal ions from soils by terricolous mosses is important in ameliorating SO 2 toxicity.
Furthermore, in no other lepospondyl is the parietal foramen found on the parietal-postparietal suture, as would be required following McGinnis' .
A few years ago, some molecular embryology data on amphioxus have revived the long forgotten that the ancestor of coelomates was a segmented animal.
He developed a for their formation called pediplanation in which slopes retreat parallel, leaving behind a series of generally flat surfaces separated by scarps.
Another, more speculative is that perhaps fungi, which live within the roots of many distantly related plants, served as a conduit for the jumping genes.
A popular theory is the Red Queen , named after the Lewis Carroll character who tells Alice that she must keep running simply to stay in the same place.
This result is contrary to our that the pollination-dependent detrimental fitness effects of clipping were caused by increased self-pollination in damaged plants.
The Minoans were not Greek and spoke the Cypriot language and so the established was that there was some relation between Linear A and B and the Cypriot script.
There are many objections to this , but it may explain why the hazards of cardiovascular risk are synergistic or multiplicative rather than just additive.
A third is based on the idea that resident and migratory species may use different strategies to acquire territories and breeding opportunities.
According to the proponents of the silvicultural , several processes combined to make forests increasingly vulnerable to budworm outbreaks.
Bloom says we ought to think of truth as resembling a scientific that helps us hold together our bits of knowledge.
Though researchers have struggled to understand exactly what contributes to this gender difference, Dr. Rohan has one .
He talks with doctors and scientists who study cognition, and cites a raft of research that bolsters his .
An alternative was suggested to me years ago by a veteran China-watcher.
The angle between Mars and the line of apsides is greater than 90 degrees in the unbisected vicarious , and less than 90 degrees in the bisected version.
In yet another scenario, the so-called binary planet, or co-accretion, , the Earth and the Moon all formed at the same time by the accretion of small bodies.
It can be used as an approximative measure of support for one or the other model and, therefore, allows estimating the evidence in favor of one or the other .
So if the zombie is correct, physicalism is false.
This is in accord with rational choice theory, which suggests that criminals think rationally and strategically to accrue the benefits of their crime.
There were no accurate measurements of the weather to call upon during this time but the discovery and colonization of Greenland by Eric the Red supports this .
Old, numerous and bipartisan are the tales that corroborate this dreary .
To test this , the researchers drilled a series of wells downstream from where they dripped the acetate and periodically took water samples.
One is that they actually alter the chemical composition of the atmosphere, thus playing a role in ozone depletion and the climate on Earth.
I'll float the even if I don't hold with it for one moment.
So there's no evidence, mechanistically, on either side of the .
Finding that the isotopes of neon have atomic weights that are whole numbers vindicated Prout's that hydrogen was the basis for all the elements.
For the latter taxa, an alternative would imply the iterative invasion of shelf habitats by morphologically conservative populations from shallow refugia.
Their is that watching excessive amounts of television reduces a person's ability to concentrate.
However, the style of the ascriptions of works to Philips in the section devoted to instrumental works may be an important clue in support of the .
In spite of its arbitrariness, that had a singular fortune, for it dominated Western thought in one form or another almost until the eighteenth century.
The scientist James Lovelock named his influential theory of global interconnectedness the gaia after her.
Again, the bioacoustic idea is still a , one that has to be carefully tested in a lab.
As early as 1850, however, a new of the rat's origins was beginning to develop.
A coastal east Asian source population is integral to the marine migration .
The is based on similarities between European Solutrean and Clovis lithic technologies.
However, a 2008 article in the American Journal of Human Genetics by researchers in Brazil took up the argument against the Solutrean .
It is described as possibly being the oldest art object yet found in the Americas and may yet provide hope for the Solutrean .
Professional historians contend that Zheng He reached the eastern coast of Africa, and dismiss Menzies's as entirely without proof.
On the second question, no definite consensus has been formed, and the intentional discovery lacks solid proof.
Modern historians reject this , which is sustained by no archeological evidence.
Birds were also widely used in studies of the niche and Georgii Gause's competitive exclusion principle.
This hypothesis is generally less accepted than the previous , but nonetheless provides a possible alternative.
One is that humans hunted large mammals, such as the woolly mammoth, into extinction.
At present, we can take as a that Europeans have more Neandertal ancestry than Asians.
The most vocal proponent of the hybridization is Erik Trinkaus of Washington University.
Ever since its initial description, the actinic physiopathogenic has been debated by many authors.
This however contradicts another supported by some researchers saying the Veleti moved westward from the Vistula delta.
Another is that the rulers of Charax had expansionist designs on Parthian Babylon, giving them a rationale for alliance with Trajan.
According to this the Geats would have not only resided in southern Sweden but also in Jutland, where Beowulf would have lived.
This is still accepted among many historians, but has been the subject of scholarly debate in the 21st century.
Our view relies on a plenitudinous metaphysics to which we are antecedently sympathetic, and adds to it one bold .
The Sonderweg attributed Germany's difficult 20th century to the weak political, legal, and economic basis of the new empire.
Haeckel argued that humans were closely related to the primates of Southeast Asia and rejected Darwin's of Africa.
This also generates and stimulates ideas and perhaps further research.
This and the analyses of data that it rests upon have received serious criticism.
Though no direct evidence of mammoth hunting has been found, today this is not considered as a valid observation to discard any .
This has been confirmed by further more recent studies, which refined this somewhat.
The of generative grammar is that language is a structure of the human mind.
Other theories include the Anatolian , the Armenia , the Paleolithic Continuity Theory, and the indigenous Aryans theory.
The Middle English creole argues that English is itself a creole.
If this is untrue, the creole with the largest number of speakers is Haitian Creole, with almost ten million native speakers.
The consequences of accepting the pseudonymy hypothesis are similar to those of accepting the forgery .
There is a that the contrast between fortis and lenis consonants is related to the contrast between voiceless and voiced consonants.
For illustrations of different analyses of noun phrases depending on whether the DP is rejected or accepted, see the next section.
The second tree assumes the DP , namely that determiners rather than nouns serve as phrase heads.
We realize what Archimedes had only in , weighting a single grain against the globe of earth.
The value of given data can and must be judged regardless of the they are supposed to support or refudiate.
Thus, any event in the rejection region leads to rejection of the null .
This has been refuted by studies showing that air and water are not absorbed.
Recently enacted three-strikes laws in several states similarly provide an opportunity to test the deterrence .
In the past, I think the that many have held is that anemia causes radiobiologically significant hypoxia.
The efficient market keeps a relation with the random walk theory.
The results of the experiment did not support his .
This supports the broad that many of the neurodevelopmental disorders are, to a certain extent, aetiologically linked.
Only on the that what is learnt in one generation is remembered by the next, can there be any feeling of againness or of expectancy.
To test my , I created a wind tunnel and wind mill to measure the different blades' power output.
My is that the symmetrical airfoils will outperform the others and the control blades.
Testing the of the multidimensional model of anorexia nervosa in adolescents.
The backhandedness of this procedure reflects the fact that null tests are motivated by rhetorical considerations.
The third theory which was advanced to explain the formation of phosphorites is the classical biolith .
Had the world been coagmented from that supposed fortuitous jumble, this had been tolerable.
The ensembled classifier is a collection of classifiers representing a single .
This mainstream of the epileptogenicity of hemosiderin provided strong support to our results.
Objection is sometimes offered to this system upon the that all but the rich or fullhanded, are excluded from our sanctuaries.
As we will discuss later, our phylogenetic reconstructs the presence of ossicones as a basal feature of all the giraffomorphs.
Another , said to be the cause of mammoth extinction in Siberia, comes from the idea that many may have drowned.
This view has been challenged by the that the Celtic languages of the British Isles form a phylogenetic Insular Celtic dialect group.
There is some evidence to support the treaty , based on the grave finds of the period.
His was written up in De corpore saturni but before the work was published, Huygens presented his theory of the rings of Saturn.
Immediately Wren recognised this as a better than his own and De corpore saturni was never published.
Arsenic is a strong preservative, and therefore this supported the poisoning .
Their was that the calomel given to Napoleon became an overdose, which killed him and left extensive tissue damage behind.
The aetherial was vague, but the particle was definite enough for Thomson to test.
A new competitor may decrease the likeliness of an old , but it will usually not change its loveliness.
Dawkins has also been strongly critical of the Gaia of the independent scientist James Lovelock.
Before the discovery of Mendelian genetics, one common was blending inheritance.
Moreover, he refused to even offer a as to the cause of this force on grounds that to do so was contrary to sound science.
One is that they drove elephants, rhinoceroses and hippopotamuses over the tops of cliffs or into bogs to more easily kill them.
He included in his Dutch, Albanian, Greek, Latin, Persian, and German, later adding Slavic, Celtic, and Baltic languages.
However, in general this is considered to attribute too much weight to the Anatolian evidence.
By such means, a may gain acceptance, although in a probabilistic, rather than certain, sense.
To assess this , the urbanicity of a boy's place of residence was run against enlistment.
Unlike the dopamine , the adrenochrome hypothesis accounts for many biochemical patterns common among schizophrenic patients.
It is an empirical that is subject to revision and, hence, lacks the dogmatic stance of classical materialism.
Depending on how well the tests match the predictions, the original may require refinement, alteration, expansion or even rejection.
If a particular becomes very well supported a general theory may be developed.
A is a conjecture, based on knowledge obtained while formulating the question.
The purpose of an experiment is to determine whether observations agree with or conflict with the predictions derived from a .
Terms commonly associated with statistical hypotheses are null hypothesis and alternative .
This is an investigation of whether the real world behaves as predicted by the .
Furthermore, failure of an experiment does not necessarily mean the is false.
The predictions of the hypothesis are compared to those of the null , to determine which is better able to explain the data.
Once a is strongly supported by evidence, a new question can be asked to provide further insight on the same topic.
Any useful will enable predictions, by reasoning including deductive reasoning.
Only in this case does a successful outcome increase the probability that the is true.
If the outcome is already known, it is called a consequence and should have already been considered while formulating the .
But since there no experiment now known which can test this , science itself can have little to say about the possibility.
They might adopt the characterization and formulate their own , or they might adopt the hypothesis and deduce their own predictions.
Published results of experiments can also serve as a predicting their own reproducibility.
Touches of prosaic detail are imperative and a rigorous adherence to the .
In the work, Boyle presents his that every phenomenon was the result of collisions of particles in motion.
The was accepted and published in the New Review of Spanish Philology in the 2011 article.
For example, according to this , the eating habits of the giraffe must have changed before its elongated neck evolved.
Clearly I have a duty to say why design strikes me as a nonsilly , and even as a simple and attractive one.
One is that the global increase in jellyfish bloom frequency may stem from human impact.
Polyploidy or polyteny may account for this large cellular DNA content, but studies of DNA reassociation kinetics do not support this .
As further information comes to hand, the may be confirmed or refuted.
This evidence bolstered the that heavier elements are the product of nucleosynthesis in stars.
An even more speculative is that intense radiation from a nearby supernova was responsible for the extinctions.
Such a was raised by reviewing letters sent by Brazilian authorities at the time of the earthquake.
Male hooded seals are known to have several mates in a single mating season, following the that they are polygynous.
In this the shifting of the continents can be simply explained by a large increase in size of the Earth since its formation.
Subsequent fieldwork, metamorphic studies and radiometric dating has refined their chronology but supported their original .
That led to the of a migration route between the Laurentide and Cordilleran ice sheets to explain the early settlement.
This recognized differences between microbats and megabats and acknowledged that flight has only evolved once in mammals.
Another is that flying has reduced their mortality rate, which would also be true for birds and gliding mammals.
A route through Beringia is seen as more likely than the Solutrean .
The was headlined when The New York Times published it in December 1996, shortly before it was published in an academic journal.
Relevant to the is that its description has led some to connect this catastrophe with prehistoric flood myths.
However, Gulf Coast geologists do not regard this as having any credibility.
When Alfred Wegener first presented a of continental drift in 1912, he suggested that continents ploughed through the ocean crust.
Studies in the 2000s have given rise to the that large amounts of dust reduce the strength of tropical cyclones.
Preliminary data from the northern Atlantic coast seem to support the Azores High .
Another by McCormac and Evans assumes that the Earth's field disappears entirely during reversals.
This is supported by the relatively late date of the arrival of modern humans in Europe as well as by archaeological and DNA evidence.
This attempts to explain why haplogroup N is predominant in Europe and why haplogroup M is absent in Europe.
The anatomist Thomas Huxley had also supported the and suggested that African apes have a close evolutionary relationship with humans.
Attribution theory and the overjustification provide still another explanation.
First, we specify a first-order autoregressive error process and test the null that the errors are not first-order autocorrelated.
To test the that mindin would contribute to airway disease after inhalation of either lipopolysaccharide or ozone, Frush et al.
The finding supports the that lipoprotein plays a causal role in coronary disease.
The bindingness , see supra note 72, may also yield a necessary condition on a legal institution.
Consistent with our , patients scored significantly higher on the majority of early maladaptive schemas than their intimate partners.
He postulates the that suffixation is constrained by selectional restrictions of the affixes involved.
To test their , they need to know where in the developing embryo Shh is expressed.
These works also confirm that Pandey's remains useful to explain the different alternatives observed to microsporogenesis.
Published partial molecular hypothetical trees to date for cardinalfish do not support, in part, either .
Ultimately, this evidence is used in a re-evaluation of the mul tepal that has dominated the view on rulership at Chichen Itza.
To test this , NMR was used to compare the metabolic profiles of three cultures, an anaerobic fungal monoculture Piromyces sp.
My is that a description that aspires to consistency with regard to the phonetic facts must distinguish between weak and strong moras.
Taking a cue from the clausal domain, I will explore the that these are the nominal counterparts of v and INNER ASPECT, cf.
According to one , they become trapped at synapses, inhibiting nerve impulse signals.
Lourenco considered the stridulation organ to be synapomorphic for Rhopalurus, a that has yet to be tested cladistically.
Type II error is when we have failed to reject the null when, in fact, it is false.
Even as putting forth the that stochastic terms are not correlated, this value is nonconvergent.
The that nonelective admissions require more inpatient resources is based on several factors.
A contextualist reply to the skeptical says that it is only a worry if we are monolithic about the meaning of knowledge.
There are also districts that provide contradictive evidence to our such as Chicago and Kansas.
But the extension of the linguistic uniformitarian to writing is, in my opinion, counterproductive.
Her concerned the role of an enzyme called sucrose synthase in the ripening process.
Both the concepts and operational definition flow logically from the area in research method area.
The final test of any palaeoanthropological is its ability to explain why hominins are unique.
Brennan, from McLean Hospital in Belmont, Massachusetts, said his team was not surprised that memantine reduced binge episodes since that was their initial .
Albanian is often seen as the descendant of Illyrian, although this has been challenged by some linguists, who maintain that it derives from Dacian or Thracian.
Imperfect L2 learning is compatible with other approaches, notably the European dialect origin and the universalist models of language transmission.
More generally it is not always clear, if evidence contradicts a , that this is a sign of flaws in the hypothesis rather than of flaws in the evidence.
Another objection is that it is not always possible to demonstrate falsehood definitively, especially if one is using statistical criteria to evaluate a null .
One item of evidence in favour of this is found in the Spanish book Compendio Historial, written in 1571 by the Basque writer Esteban de Garibay.
The biodiversity says that the less contact people have with a microbially diverse natural environment, the less diverse their own commensal microbiota.
A is presented where the combination of a thin cell wall and large microfibril angle are responsible for the superior properties exhibited by the DN 30 pulp.
However, this is no longer actively investigated, as there are examples of creoles, such as Hezhou, which evidently have nothing to do with the Lingua Franca.
The cosmic censorship rules out the formation of such singularities, when they are created through the gravitational collapse of realistic matter.
His later maps used the Azores, following the magnetic .
The overview offers a picture to the readers in which the commonly advertized Sino-Tibetan has always been criticized within the academic circles.
Any which explains the facts is justified critically.
For it is not sufficient that a should be a justifiable one.
Failure of an experiment to produce interesting results may lead a scientist to reconsider the experimental method, the , or the definition of the subject.
Failure of a to produce interesting and testable predictions may lead to reconsideration of the or of the definition of the subject.
If the predictions are not accessible by observation or experience, the is not yet testable and so will remain to that extent unscientific in a strict sense.
However, this is disputed within the anthropological community.
A is a suggested explanation of a phenomenon, or alternately a reasoned proposal suggesting a possible correlation between or among a set of phenomena.
Previous studies suggested an association between elevated CRP levels and colon cancer, which fits with the that chronic inflammation increases cancer risk.
The purpose of an experiment is to determine whether observations of the real world agree with or conflict with the predictions derived from a .
This step involves determining the logical consequences of the .
The impressive improvement in response to valacyclovir documented in this study lends support to the viral of mental illness, she said.
The study may put to rest an idea, known as the Solutrean , that ancient Europeans crossed the Atlantic and established the Clovis culture in the New World.
Specifically, we fit stable Paretian distributions to the residuals for some important macro-economic variates testing the null of finite moments.
Researchers normally want to show that the null is false.
The that older age class raccoons would have higher fluke infection rates and parasite loads due to increased exposure to cercariae was statistically tested.
A is a conjecture, based on knowledge obtained while formulating the question, that may explain the observed behavior of a part of our universe.
The of an Etruscan origin is a viable alternative.
This suggestion was accepted by many subsequent writers, but in 1703, Jean Mabillon put forth a new , claiming that the entire forehead was shaven back to the ears.
Furthermore, consistent with our , we determine that good corporate governance alleviates spillovers of bad news from corporate scandals experienced by competitors.
As we are learning more and more about the brain, there is a that when a child is going through puberty, that is the time that accents start.
The main I will work from is that Mirkwood by and large fits within the literary topos of the enchanted forests in the fairy-tale tradition.
Thus, for all cases, arrival data was successfully modelled as the Poisson distribution and the was ascertained by evaluating chi-square tests.
Acceptance is dependent upon the falsifiable surviving tests.
The book opens by introducing the Lovelock Gaia and motivating glacier science as a major abiotic component of the homeostatic planetary system.
Sometimes an economic is only qualitative, not quantitative.
This experimental evidence supports the possibility of interplanetary transport of lifeforms and makes the lithopanspermia more realistic.
Jenner successfully tested his on 23 additional subjects.
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HYPOTHESIS in a Sentence Examples: 21 Ways to Use Hypothesis

Have you ever wondered what a “hypothesis” is and how it fits into the scientific method? A hypothesis is a proposed explanation or educated guess that can be tested through research and experimentation to determine its validity.

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7 Examples Of Hypothesis Used In a Sentence For Kids

14 sentences with hypothesis examples, how to use hypothesis in sentences.

Hypothesis is an educated guess or prediction that can be tested through observation or experimentation. When incorporating this term into a sentence, it is important to clearly identify it so readers can understand its significance.

Here are some tips on how to use hypothesis effectively in a sentence:

Clearly state your hypothesis in a simple and concise manner. For example, “The scientist’s hypothesis is that plants will grow faster with added sunlight.”

Make sure to refer back to your hypothesis when discussing the results of your experiment. For example, “The data supported our initial hypothesis that exercise leads to improved cardiovascular health.”

By following these guidelines, you can effectively incorporate hypothesis into your writing to communicate your predictions or expectations clearly and accurately.

In conclusion, sentences with the keyword “hypothesis” often express a proposed explanation or prediction that can be tested through research or observation. These sentences play a crucial role in scientific inquiry by guiding investigations and exploring relationships between variables. For example, “The researchers formulated a hypothesis to predict the effect of sunlight on plant growth” demonstrates how hypotheses are used to frame a study’s objectives and outcomes.

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Hypothesis in a Sentence  🔊

Definition of Hypothesis

a proposed explanation or theory that is studied through scientific testing

Examples of Hypothesis in a sentence

The scientist’s hypothesis did not stand up, since research data was inconsistent with his guess.  🔊

Each student gave a hypothesis and theorized which plant would grow the tallest during the study.  🔊

A hypothesis was presented by the panel, giving a likely explanation for why the trial medicine didn’t seem to have much of an effect on the patients.  🔊

During the study, the researcher changed her hypothesis to a new assumption that fit with current data.  🔊

To confirm his hypothesis on why the dolphin wasn’t eating, the marine biologists did several tests over a week’s time.  🔊

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Definition of hypothesis

Did you know.

The Difference Between Hypothesis and Theory

A hypothesis is an assumption, an idea that is proposed for the sake of argument so that it can be tested to see if it might be true.

In the scientific method, the hypothesis is constructed before any applicable research has been done, apart from a basic background review. You ask a question, read up on what has been studied before, and then form a hypothesis.

A hypothesis is usually tentative; it's an assumption or suggestion made strictly for the objective of being tested.

A theory , in contrast, is a principle that has been formed as an attempt to explain things that have already been substantiated by data. It is used in the names of a number of principles accepted in the scientific community, such as the Big Bang Theory . Because of the rigors of experimentation and control, it is understood to be more likely to be true than a hypothesis is.

In non-scientific use, however, hypothesis and theory are often used interchangeably to mean simply an idea, speculation, or hunch, with theory being the more common choice.

Since this casual use does away with the distinctions upheld by the scientific community, hypothesis and theory are prone to being wrongly interpreted even when they are encountered in scientific contexts—or at least, contexts that allude to scientific study without making the critical distinction that scientists employ when weighing hypotheses and theories.

The most common occurrence is when theory is interpreted—and sometimes even gleefully seized upon—to mean something having less truth value than other scientific principles. (The word law applies to principles so firmly established that they are almost never questioned, such as the law of gravity.)

This mistake is one of projection: since we use theory in general to mean something lightly speculated, then it's implied that scientists must be talking about the same level of uncertainty when they use theory to refer to their well-tested and reasoned principles.

The distinction has come to the forefront particularly on occasions when the content of science curricula in schools has been challenged—notably, when a school board in Georgia put stickers on textbooks stating that evolution was "a theory, not a fact, regarding the origin of living things." As Kenneth R. Miller, a cell biologist at Brown University, has said , a theory "doesn’t mean a hunch or a guess. A theory is a system of explanations that ties together a whole bunch of facts. It not only explains those facts, but predicts what you ought to find from other observations and experiments.”

While theories are never completely infallible, they form the basis of scientific reasoning because, as Miller said "to the best of our ability, we’ve tested them, and they’ve held up."

  • proposition
  • supposition

hypothesis , theory , law mean a formula derived by inference from scientific data that explains a principle operating in nature.

hypothesis implies insufficient evidence to provide more than a tentative explanation.

theory implies a greater range of evidence and greater likelihood of truth.

law implies a statement of order and relation in nature that has been found to be invariable under the same conditions.

Examples of hypothesis in a Sentence

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'hypothesis.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Greek, from hypotithenai to put under, suppose, from hypo- + tithenai to put — more at do

1846, in the meaning defined at sense 2

Phrases Containing hypothesis

  • counter - hypothesis
  • nebular hypothesis
  • null hypothesis
  • planetesimal hypothesis
  • Whorfian hypothesis

Articles Related to hypothesis

hypothesis

This is the Difference Between a...

This is the Difference Between a Hypothesis and a Theory

In scientific reasoning, they're two completely different things

Dictionary Entries Near hypothesis

hypothermia

hypothesize

Cite this Entry

“Hypothesis.” Merriam-Webster.com Dictionary , Merriam-Webster, https://www.merriam-webster.com/dictionary/hypothesis. Accessed 26 Sep. 2024.

Kids Definition

Kids definition of hypothesis, medical definition, medical definition of hypothesis, more from merriam-webster on hypothesis.

Nglish: Translation of hypothesis for Spanish Speakers

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Britannica.com: Encyclopedia article about hypothesis

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The meaning of "Hypothesis" in various phrases and sentences

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Sentence examples for hypothesis from inspiring English sources

Used loosely, a tentative conjecture explaining an observation, phenomenon or scientific problem that can be tested by further observation, investigation and/or experimentation. As a scientific term of art, see the attached quotation. Compare to theory, and quotation given there.

The word 'hypothesis' is correct and usable in written English. You can use it when you want to present a theory or a proposal to be tested in order to prove its validity. For example: "Our hypothesis is that the effect of adding baking soda to the cake batter will make the cake fluffier.".

There could have been huge benefits to Europe in such convergence, but the process was deliberately sabotaged by US intelligence agencies, working from the hypothesis that a tie-up between the EU and a democratic Russia would pose a major threat to American long-term economic interests.

In science, we test the hypothesis and report the findings.

A study by Elson and colleagues last year showed that for one particular methodology, the modified Taylor Competitive Reaction Time task, if you take a typical data set and analyse it using one of twenty-eight different analytical variants that exist in the research literature, it is possible to find 'evidence' to support any hypothesis you so wish.

Indeed, were Gordon Brown to fall under a bus - and the hypothesis is usually related to serving, rather than putative, prime ministers, Johnson would certainly be my candidate to succeed Blair.

He is known for proposing the Gaia hypothesis .

They attributed the larger wide plates to males, in keeping with the "handicap hypothesis ", which sees males invest in cumbersome body parts to prove their evolutionary fitness.

It took a further three years before he became the darling of the French avant garde with L'Hypothèse du Tableau Volé (The  Hypothesis of the Stolen Painting, 1978).

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English sentences focusing on words and their word families the word "hypothesis" in example sentences page 1.

Other forms: hypotheses

In science, a hypothesis is an idea or explanation that you then test through study and experimentation. Outside science, a theory or guess can also be called a hypothesis .

A hypothesis is something more than a wild guess but less than a well-established theory. In science, a hypothesis needs to go through a lot of testing before it gets labeled a theory. In the non-scientific world, the word is used a lot more loosely. A detective might have a hypothesis about a crime, and a mother might have a hypothesis about who spilled juice on the rug. Anyone who uses the word hypothesis is making a guess.

  • noun a tentative insight into the natural world; a concept that is not yet verified but that if true would explain certain facts or phenomena “a scientific hypothesis that survives experimental testing becomes a scientific theory” synonyms: possibility , theory see more see less types: show 17 types... hide 17 types... hypothetical a hypothetical possibility, circumstance, statement, proposal, situation, etc. gemmule the physically discrete element that Darwin proposed as responsible for heredity framework , model , theoretical account a hypothetical description of a complex entity or process conjecture , speculation a hypothesis that has been formed by speculating or conjecturing (usually with little hard evidence) assumption , supposal , supposition a hypothesis that is taken for granted historicism a theory that social and cultural events are determined by history computer simulation , simulation (computer science) the technique of representing the real world by a computer program conclusion an intuitive assumption base , basis , cornerstone , foundation , fundament , groundwork the fundamental assumptions from which something is begun or developed or calculated or explained mean sun a theoretical sun that moves along the celestial equator at a constant speed and completes its annual course in the same amount of time the real sun takes at variable speeds Copernican system (astronomy) Copernicus' astronomical model in which the Earth rotates around the sun Ptolemaic system (astronomy) Ptolemy's model of the universe with the Earth at the center M-theory (particle physics) a theory that involves an eleven-dimensional universe in which the weak and strong forces and gravity are unified and to which all the string theories belong string theory (particle physics) a theory that postulates that subatomic particles are one-dimensional strings given , precondition , presumption an assumption that is taken for granted basic assumption , constatation , self-evident truth an assumption that is basic to an argument stochastic process a statistical process involving a number of random variables depending on a variable parameter (which is usually time) type of: concept , conception , construct an abstract or general idea inferred or derived from specific instances
  • noun a proposal intended to explain certain facts or observations see more see less type of: proposal something proposed (such as a plan or assumption)
  • noun a message expressing an opinion based on incomplete evidence synonyms: conjecture , guess , speculation , supposition , surmisal , surmise see more see less types: divination successful conjecture by unusual insight or good luck type of: opinion , view a message expressing a belief about something; the expression of a belief that is held with confidence but not substantiated by positive knowledge or proof

Vocabulary lists containing hypothesis

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Examples of “Hypothesis” In A Sentence

Hypothesis In A Sentence

The hypothesis is a very important part of doing science and thinking carefully. It is like the strong supporting structure of a building for the process of research. A hypothesis is a clever guess or idea that can be tested to see if it is true or not. It helps us understand things or predict what might happen. In this article, we will look at many examples of ‘hypothesis’ in sentences .

Table of Contents

Sentences with Hypothesis

  • Hypothesis : The sun rises in the east.
  • They formulated a null hypothesis to compare against the alternative.
  • We need to revise the original hypothesis .
  • They discussed the hypothesis with colleagues in their field.
  • They formulated competing hypotheses to compare and contrast the findings.
  • The students generated multiple hypotheses for their investigation.
  • The hypothesis was generated from observations.
  • The hypothesis is the starting point of scientific investigation.
  • The researchers tested the hypothesis using various methodologies.
  • We need to investigate the hypothesis
  • The hypothesis needs more evidence to be proven.
  • The hypothesis was rejected due to flaws in the experimental design.
  • They tested the hypothesis using computer simulations.
  • The team tested the hypothesis using advanced technology.
  • The hypothesis was derived from logical reasoning.
  • They conducted surveys to gather data for their hypotheses .
  • They proposed alternative hypotheses for further exploration.
  • The hypothesis was consistent with data from other studies.
  • The hypothesis was based on logical reasoning.
  • The hypothesis was supported by the statistical analysis.

Sentences with “Hypothesis”

  • The hypothesis was proven incorrect.
  • The hypothesis was rejected due to lack of evidence.
  • They discussed the hypothesis with their peers.
  • The hypothesis was proposed based on logical deductions.
  • The hypothesis was validated through rigorous peer review.
  • The team discussed potential hypotheses during brainstorming sessions.
  • They discussed the limitations of their hypothesis
  • The students proposed various hypotheses for the investigation.
  • The hypothesis was confirmed by independent replication studies.
  • The students formed testable hypotheses for their projects.
  • They used a control group to test their hypothesis .
  • The hypothesis was formulated as a cause-and-effect relationship.
  • The hypothesis was supported by the literature review.
  • Scientists test their hypotheses through experiments.
  • The hypothesis was proposed based on observations in nature.
  • They analyzed the data to validate the hypothesis .
  • They designed the experiment to test the hypothesis
  • The hypothesis was based on previous research findings.
  • They revised the hypothesis based on constructive feedback.
  • They presented their hypotheses at a research symposium.
  • They conducted experiments to test their hypotheses .
  • The hypothesis was supported by a large and diverse sample.
  • The researchers tested the hypothesis using a variety of methodologies.
  • They conducted surveys to gather data that supported their hypothesis .
  • The team formulated new hypotheses for future investigations.
  • The hypothesis was consistent with experimental results.

“Hypothesis” Use in Sentence

  • They discussed the implications of the hypothesis on their field.
  • The researchers discussed the implications of their hypotheses .
  • The hypothesis was derived from careful observation and analysis.
  • The team developed alternative hypotheses for further investigation.
  • They presented their hypotheses to the research community.
  • The hypothesis was based on a comprehensive review of the literature.
  • The hypothesis was supported by strong logical reasoning.
  • They discussed the implications of their hypothesis for future research.
  • The hypothesis was based on a well-established scientific theory.
  • The researchers tested their hypotheses using different methodologies.
  • The hypothesis was supported by empirical evidence.
  • The researchers evaluated their hypotheses
  • The hypothesis was disproven by contradictory evidence.
  • The researchers discussed the limitations of their hypotheses .
  • The hypothesis was based on a well-established theory.
  • The hypothesis was supported by a large sample size.
  • The hypothesis was consistent with patterns observed in nature.
  • They proposed new hypotheses for future investigation.
  • The hypothesis was confirmed by the results of the study.
  • The hypothesis guided the research process.
  • The hypothesis was supported by strong scientific consensus.
  • The hypothesis was rejected due to methodological limitations.
  • The researchers proposed several hypotheses to explain the phenomenon.
  • The hypothesis was confirmed by multiple researchers in the field.
  • The hypothesis was validated through multiple studies.

Sentences Using “Hypothesis”

  • The researchers conducted experiments to test their hypotheses .
  • The hypothesis was based on observations from nature.
  • The hypothesis was supported by a wide range of evidence.
  • They formed competing hypotheses to compare.
  • Scientists often revise their hypotheses based on new data.
  • They conducted experiments to support their hypotheses .
  • The team discussed their hypothesis during the meeting.
  • The students discussed their hypotheses in class.
  • They developed a new hypothesis based on recent findings.
  • They discussed the hypothesis with other experts in the field.
  • The hypothesis was supported by a significant p-value.
  • The hypothesis was generated from real-world observations.
  • Mary’s hypothesis was supported by the data.
  • They tested their hypotheses across different populations.
  • The researchers tested multiple hypotheses to find the answer.
  • They presented their hypothesis at a scientific conference.
  • The hypothesis was supported by strong evidence.
  • They presented their hypotheses in a clear and concise manner.
  • The researchers proposed a working hypothesis to start their study.
  • The team discussed the hypothesis during the brainstorming session.
  • The researchers proposed different hypotheses for the observed behavior.
  • The hypothesis is a crucial part of any scientific study.
  • The hypothesis was refuted by the experimental results.

“Hypothesis” Sentences Examples

  • We need to gather more data to test the hypothesis .
  • The hypothesis was consistent with existing theories.
  • The hypothesis was supported by a strong theoretical framework.
  • The hypothesis was based on previous studies.
  • They formulated a null hypothesis as the default assumption.
  • The hypothesis was consistent with theoretical predictions.
  • The hypothesis was based on prior knowledge.
  • The hypothesis was supported by strong experimental data.
  • The team formed a new hypothesis after analyzing the data.
  • The hypothesis was consistent with the findings of previous studies.
  • The hypothesis was rejected due to methodological flaws.
  • The hypothesis was proven right after extensive testing.
  • The hypothesis was consistent with real-world observations.
  • The team tested their hypothesis in different conditions.
  • The hypothesis was consistent with the predictions.
  • The students generated their hypotheses for the experiment.
  • The hypothesis was confirmed by multiple independent studies.
  • The hypothesis was tested using a randomized controlled trial.
  • They formulated a null hypothesis to compare against.
  • The hypothesis was based on inductive reasoning.
  • The hypothesis was validated through repeated experiments.
  • The hypothesis guided the design of the experiment.
  • They used statistical analysis to validate the hypothesis .
  • The researchers discussed the implications of their hypothesis on society.
  • They revised the hypothesis based on feedback from experts.
  • The hypothesis was confirmed by expert analysis.
  • Hypotheses are essential in the scientific method.
  • Lisa proposed an interesting hypothesis for her project.
  • They analyzed the data to support their hypothesis .
  • The hypothesis was supported by compelling arguments.
  • They conducted interviews to explore their hypotheses .

Use “Hypothesis” In A Sentence

  • Sarah formulated a new hypothesis for her research.
  • The hypothesis was confirmed by the experiment.
  • The hypothesis was generated from prior observations.
  • They conducted surveys to test their hypotheses .
  • The hypothesis was supported by well-documented experimental results.
  • The hypothesis was supported by strong correlations.
  • The hypothesis was proposed after reviewing the literature.
  • They proposed a working hypothesis to guide their study.
  • The hypothesis was consistent with the observed results.
  • They proposed alternative hypotheses for future exploration.
  • The hypothesis was validated through rigorous statistical methods.
  • The researchers tested their hypotheses
  • John’s hypothesis led to groundbreaking discoveries.
  • The hypothesis was supported by statistical significance.
  • The researchers formulated a null hypothesis to compare against.
  • The hypothesis was supported by theoretical predictions.
  • They formed competing hypotheses to compare and contrast.
  • The hypothesis was consistent with historical data.
  • The hypothesis was supported by multiple lines of evidence.
  • The hypothesis was revised based on feedback from reviewers.
  • The scientists formulated a specific hypothesis to test.
  • The hypothesis was based on empirical data.

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Definition of hypothesis noun from the Oxford Advanced Learner's Dictionary

  • to formulate/confirm a hypothesis
  • a hypothesis about the function of dreams
  • There is little evidence to support these hypotheses.
  • formulate/​advance a theory/​hypothesis
  • build/​construct/​create/​develop a simple/​theoretical/​mathematical model
  • develop/​establish/​provide/​use a theoretical/​conceptual framework
  • advance/​argue/​develop the thesis that…
  • explore an idea/​a concept/​a hypothesis
  • make a prediction/​an inference
  • base a prediction/​your calculations on something
  • investigate/​evaluate/​accept/​challenge/​reject a theory/​hypothesis/​model
  • design an experiment/​a questionnaire/​a study/​a test
  • do research/​an experiment/​an analysis
  • make observations/​measurements/​calculations
  • carry out/​conduct/​perform an experiment/​a test/​a longitudinal study/​observations/​clinical trials
  • run an experiment/​a simulation/​clinical trials
  • repeat an experiment/​a test/​an analysis
  • replicate a study/​the results/​the findings
  • observe/​study/​examine/​investigate/​assess a pattern/​a process/​a behaviour
  • fund/​support the research/​project/​study
  • seek/​provide/​get/​secure funding for research
  • collect/​gather/​extract data/​information
  • yield data/​evidence/​similar findings/​the same results
  • analyse/​examine the data/​soil samples/​a specimen
  • consider/​compare/​interpret the results/​findings
  • fit the data/​model
  • confirm/​support/​verify a prediction/​a hypothesis/​the results/​the findings
  • prove a conjecture/​hypothesis/​theorem
  • draw/​make/​reach the same conclusions
  • read/​review the records/​literature
  • describe/​report an experiment/​a study
  • present/​publish/​summarize the results/​findings
  • present/​publish/​read/​review/​cite a paper in a scientific journal
  • Her hypothesis concerns the role of electromagnetic radiation.
  • Their study is based on the hypothesis that language simplification is possible.
  • It is possible to make a hypothesis on the basis of this graph.
  • None of the hypotheses can be rejected at this stage.
  • Scientists have proposed a bold hypothesis.
  • She used this data to test her hypothesis
  • The hypothesis predicts that children will perform better on task A than on task B.
  • The results confirmed his hypothesis on the use of modal verbs.
  • These observations appear to support our working hypothesis.
  • a speculative hypothesis concerning the nature of matter
  • an interesting hypothesis about the development of language
  • Advances in genetics seem to confirm these hypotheses.
  • His hypothesis about what dreams mean provoked a lot of debate.
  • Research supports the hypothesis that language skills are centred in the left side of the brain.
  • The survey will be used to test the hypothesis that people who work outside the home are fitter and happier.
  • This economic model is really a working hypothesis.
  • speculative
  • concern something
  • be based on something
  • predict something
  • on a/​the hypothesis
  • hypothesis about
  • hypothesis concerning

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Hypothesis in a sentence

what is a sentence using the word hypothesis

  • 某某   2016-01-13 联网相关的政策
  • improvement  (238+32)
  • on balance  (53)
  • wicked  (168+7)
  • handlebar  (25)
  • rainy  (165+9)
  • trudge  (41+1)
  • checkpoint  (102)
  • events  (166+80)
  • courage  (289+31)
  • blizzard  (120+5)
  • weary  (158+11)
  • rationalize  (57+1)
  • refund  (173+13)
  • pack up  (56)
  • at dusk  (69+1)
  • university  (168+75)
  • outdoors  (157+12)
  • be concerned about  (42)
  • on one's own  (38)
  • aristocrat  (50)
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[ hahy- poth - uh -sis , hi- ]

  • a proposition, or set of propositions, set forth as an explanation for the occurrence of some specified group of phenomena, either asserted merely as a provisional conjecture to guide investigation working hypothesis or accepted as highly probable in the light of established facts.
  • a proposition assumed as a premise in an argument.
  • the antecedent of a conditional proposition.
  • a mere assumption or guess.

/ haɪˈpɒθɪsɪs /

  • a suggested explanation for a group of facts or phenomena, either accepted as a basis for further verification ( working hypothesis ) or accepted as likely to be true Compare theory
  • an assumption used in an argument without its being endorsed; a supposition
  • an unproved theory; a conjecture

/ hī-pŏth ′ ĭ-sĭs /

, Plural hypotheses hī-pŏth ′ ĭ-sēz′

  • A statement that explains or makes generalizations about a set of facts or principles, usually forming a basis for possible experiments to confirm its viability.
  • plur. hypotheses (heye- poth -uh-seez) In science, a statement of a possible explanation for some natural phenomenon. A hypothesis is tested by drawing conclusions from it; if observation and experimentation show a conclusion to be false, the hypothesis must be false. ( See scientific method and theory .)

Derived Forms

  • hyˈpothesist , noun

Other Words From

  • hy·pothe·sist noun
  • counter·hy·pothe·sis noun plural counterhypotheses
  • subhy·pothe·sis noun plural subhypotheses

Word History and Origins

Origin of hypothesis 1

Synonym Study

Example sentences.

Each one is a set of questions we’re fascinated by and hypotheses we’re testing.

Mousa’s research hinges on the “contact hypothesis,” the idea that positive interactions among rival group members can reduce prejudices.

Do more research on it, come up with a hypothesis as to why it underperforms, and try to improve it.

Now is the time to test your hypotheses to figure out what’s changing in your customers’ worlds, and address these topics directly.

Whether computing power alone is enough to fuel continued machine learning breakthroughs is a source of debate, but it seems clear we’ll be able to test the hypothesis.

Though researchers have struggled to understand exactly what contributes to this gender difference, Dr. Rohan has one hypothesis.

The leading hypothesis for the ultimate source of the Ebola virus, and where it retreats in between outbreaks, lies in bats.

In 1996, John Paul II called the Big Bang theory “more than a hypothesis.”

To be clear: There have been no double-blind or controlled studies that conclusively confirm this hair-loss hypothesis.

The bacteria-driven-ritual hypothesis ignores the huge diversity of reasons that could push someone to perform a religious ritual.

And remember it is by our hypothesis the best possible form and arrangement of that lesson.

Taken in connection with what we know of the nebulæ, the proof of Laplace's nebular hypothesis may fairly be regarded as complete.

What has become of the letter from M. de St. Mars, said to have been discovered some years ago, confirming this last hypothesis?

To admit that there had really been any communication between the dead man and the living one is also an hypothesis.

"I consider it highly probable," asserted Aunt Maria, forgetting her Scandinavian hypothesis.

Related Words

  • explanation
  • interpretation
  • proposition
  • supposition

More About Hypothesis

What is a hypothesis .

In science, a hypothesis is a statement or proposition that attempts to explain phenomena or facts. Hypotheses are often tested to see if they are accurate.

Crafting a useful hypothesis is one of the early steps in the scientific method , which is central to every field of scientific experimentation. A useful scientific hypothesis is based on current, accepted scientific knowledge and is testable.

Outside of science, the word hypothesis is often used more loosely to mean a guess or prediction.

Why is hypothesis important?

The first records of the term hypothesis come from around 1590. It comes from the Greek term hypóthesis , meaning “basis, supposition.”

Trustworthy science involves experiments and tests. In order to have an experiment, you need to test something. In science, that something is called a hypothesis . It is important to remember that, in science, a verified hypothesis is not actually confirmed to be an absolute truth. Instead, it is accepted to be accurate according to modern knowledge. Science always allows for the possibility that new information could disprove a widely accepted hypothesis .

Related to this, scientists will usually only propose a new hypothesis when new information is discovered because there is no reason to test something that is already accepted as scientifically accurate.

Did you know … ?

It can take a long time and even the discovery of new technology to confirm that a hypothesis is accurate. Physicist Albert Einstein ’s 1916 theory of relativity contained hypotheses about space and time that have only been confirmed recently, thanks to modern technology!

What are real-life examples of hypothesis ?

While in science, hypothesis has a narrow meaning, in general use its meaning is broader.

"This study confirms the hypothesis that individuals who have been infected with COVID-19 have persistent objectively measurable cognitive deficits." (N=81,337) Ventilation subgroup show 7-point reduction in IQ https://t.co/50xrNNHC5E — Claire Lehmann (@clairlemon) July 23, 2021
Not everyone drives. They can walk, cycle, catch a train, tram etc. That’s alternatives. What’s your alternative in your hypothesis? — Barry (@Bazzaboy1982) July 27, 2021

What other words are related to hypothesis ?

  • scientific method
  • scientific theory

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In science, a hypothesis must be based on current scientific information and be testable.

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Meaning of hypothesis in English

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  • abstraction
  • accepted wisdom
  • afterthought
  • anthropocentrism
  • determinist
  • exceptionalism
  • non-dogmatic
  • non-empirical
  • non-material
  • non-practical
  • supersensible
  • the domino theory
  • thought balloon

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How to Write a Hypothesis in 6 Steps, With Examples

Matt Ellis

A hypothesis is a statement that explains the predictions and reasoning of your research—an “educated guess” about how your scientific experiments will end. As a fundamental part of the scientific method, a good hypothesis is carefully written, but even the simplest ones can be difficult to put into words. 

Want to know how to write a hypothesis for your academic paper ? Below we explain the different types of hypotheses, what a good hypothesis requires, the steps to write your own, and plenty of examples.

Write with confidence Grammarly helps you polish your academic writing Write with Grammarly  

What is a hypothesis? 

One of our 10 essential words for university success , a hypothesis is one of the earliest stages of the scientific method. It’s essentially an educated guess—based on observations—of what the results of your experiment or research will be. 

Some hypothesis examples include:

  • If I water plants daily they will grow faster.
  • Adults can more accurately guess the temperature than children can. 
  • Butterflies prefer white flowers to orange ones.

If you’ve noticed that watering your plants every day makes them grow faster, your hypothesis might be “plants grow better with regular watering.” From there, you can begin experiments to test your hypothesis; in this example, you might set aside two plants, water one but not the other, and then record the results to see the differences. 

The language of hypotheses always discusses variables , or the elements that you’re testing. Variables can be objects, events, concepts, etc.—whatever is observable. 

There are two types of variables: independent and dependent. Independent variables are the ones that you change for your experiment, whereas dependent variables are the ones that you can only observe. In the above example, our independent variable is how often we water the plants and the dependent variable is how well they grow. 

Hypotheses determine the direction and organization of your subsequent research methods, and that makes them a big part of writing a research paper . Ultimately the reader wants to know whether your hypothesis was proven true or false, so it must be written clearly in the introduction and/or abstract of your paper. 

7 examples of hypotheses

Depending on the nature of your research and what you expect to find, your hypothesis will fall into one or more of the seven main categories. Keep in mind that these categories are not exclusive, so the same hypothesis might qualify as several different types. 

1 Simple hypothesis

A simple hypothesis suggests only the relationship between two variables: one independent and one dependent. 

  • If you stay up late, then you feel tired the next day. 
  • Turning off your phone makes it charge faster. 

2 Complex hypothesis

A complex hypothesis suggests the relationship between more than two variables, for example, two independents and one dependent, or vice versa. 

  • People who both (1) eat a lot of fatty foods and (2) have a family history of health problems are more likely to develop heart diseases. 
  • Older people who live in rural areas are happier than younger people who live in rural areas. 

3 Null hypothesis

A null hypothesis, abbreviated as H 0 , suggests that there is no relationship between variables. 

  • There is no difference in plant growth when using either bottled water or tap water. 
  • Professional psychics do not win the lottery more than other people. 

4 Alternative hypothesis

An alternative hypothesis, abbreviated as H 1 or H A , is used in conjunction with a null hypothesis. It states the opposite of the null hypothesis, so that one and only one must be true. 

  • Plants grow better with bottled water than tap water. 
  • Professional psychics win the lottery more than other people. 

5 Logical hypothesis

A logical hypothesis suggests a relationship between variables without actual evidence. Claims are instead based on reasoning or deduction, but lack actual data.  

  • An alien raised on Venus would have trouble breathing in Earth’s atmosphere. 
  • Dinosaurs with sharp, pointed teeth were probably carnivores. 

6 Empirical hypothesis

An empirical hypothesis, also known as a “working hypothesis,” is one that is currently being tested. Unlike logical hypotheses, empirical hypotheses rely on concrete data. 

  • Customers at restaurants will tip the same even if the wait staff’s base salary is raised. 
  • Washing your hands every hour can reduce the frequency of illness. 

7 Statistical hypothesis

A statistical hypothesis is when you test only a sample of a population and then apply statistical evidence to the results to draw a conclusion about the entire population. Instead of testing everything , you test only a portion and generalize the rest based on preexisting data. 

  • In humans, the birth-gender ratio of males to females is 1.05 to 1.00.  
  • Approximately 2% of the world population has natural red hair. 

What makes a good hypothesis?

No matter what you’re testing, a good hypothesis is written according to the same guidelines. In particular, keep these five characteristics in mind: 

Cause and effect

Hypotheses always include a cause-and-effect relationship where one variable causes another to change (or not change if you’re using a null hypothesis). This can best be reflected as an if-then statement: If one variable occurs, then another variable changes. 

Testable prediction

Most hypotheses are designed to be tested (with the exception of logical hypotheses). Before committing to a hypothesis, make sure you’re actually able to conduct experiments on it. Choose a testable hypothesis with an independent variable that you have absolute control over. 

Independent and dependent variables

Define your variables in your hypothesis so your readers understand the big picture. You don’t have to specifically say which ones are independent and dependent variables, but you definitely want to mention them all. 

Candid language

Writing can easily get convoluted, so make sure your hypothesis remains as simple and clear as possible. Readers use your hypothesis as a contextual pillar to unify your entire paper, so there should be no confusion or ambiguity. If you’re unsure about your phrasing, try reading your hypothesis to a friend to see if they understand. 

Adherence to ethics

It’s not always about what you can test, but what you should test. Avoid hypotheses that require questionable or taboo experiments to keep ethics (and therefore, credibility) intact.

How to write a hypothesis in 6 steps

1 ask a question.

Curiosity has inspired some of history’s greatest scientific achievements, so a good place to start is to ask yourself questions about the world around you. Why are things the way they are? What causes the factors you see around you? If you can, choose a research topic that you’re interested in so your curiosity comes naturally. 

2 Conduct preliminary research

Next, collect some background information on your topic. How much background information you need depends on what you’re attempting. It could require reading several books, or it could be as simple as performing a web search for a quick answer. You don’t necessarily have to prove or disprove your hypothesis at this stage; rather, collect only what you need to prove or disprove it yourself. 

3 Define your variables

Once you have an idea of what your hypothesis will be, select which variables are independent and which are dependent. Remember that independent variables can only be factors that you have absolute control over, so consider the limits of your experiment before finalizing your hypothesis. 

4 Phrase it as an if-then statement

When writing a hypothesis, it helps to phrase it using an if-then format, such as, “ If I water a plant every day, then it will grow better.” This format can get tricky when dealing with multiple variables, but in general, it’s a reliable method for expressing the cause-and-effect relationship you’re testing. 

5  Collect data to support your hypothesis

A hypothesis is merely a means to an end. The priority of any scientific research is the conclusion. Once you have your hypothesis laid out and your variables chosen, you can then begin your experiments. Ideally, you’ll collect data to support your hypothesis, but don’t worry if your research ends up proving it wrong—that’s all part of the scientific method. 

6 Write with confidence

Last, you’ll want to record your findings in a research paper for others to see. This requires a bit of writing know-how, quite a different skill set than conducting experiments. 

That’s where Grammarly can be a major help; our writing suggestions point out not only grammar and spelling mistakes , but also new word choices and better phrasing. While you write, Grammarly automatically recommends optimal language and highlights areas where readers might get confused, ensuring that your hypothesis—and your final paper—are clear and polished.

what is a sentence using the word hypothesis

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  • Education Resources Information Center - Understanding Hypotheses, Predictions, Laws, and Theories
  • Simply Psychology - Research Hypothesis: Definition, Types, & Examples
  • Cornell University - The Learning Strategies Center - Hypothesis
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  • BCCampus Publishing - Research Methods for the Social Sciences: An Introduction - Hypotheses

hypothesis , something supposed or taken for granted, with the object of following out its consequences (Greek hypothesis , “a putting under,” the Latin equivalent being suppositio ).

Discussion with Kara Rogers of how the scientific model is used to test a hypothesis or represent a theory

In planning a course of action, one may consider various alternatives , working out each in detail. Although the word hypothesis is not typically used in this case, the procedure is virtually the same as that of an investigator of crime considering various suspects. Different methods may be used for deciding what the various alternatives may be, but what is fundamental is the consideration of a supposal as if it were true, without actually accepting it as true. One of the earliest uses of the word in this sense was in geometry . It is described by Plato in the Meno .

The most important modern use of a hypothesis is in relation to scientific investigation . A scientist is not merely concerned to accumulate such facts as can be discovered by observation: linkages must be discovered to connect those facts. An initial puzzle or problem provides the impetus , but clues must be used to ascertain which facts will help yield a solution. The best guide is a tentative hypothesis, which fits within the existing body of doctrine. It is so framed that, with its help, deductions can be made that under certain factual conditions (“initial conditions”) certain other facts would be found if the hypothesis were correct.

The concepts involved in the hypothesis need not themselves refer to observable objects. However, the initial conditions should be able to be observed or to be produced experimentally, and the deduced facts should be able to be observed. William Harvey ’s research on circulation in animals demonstrates how greatly experimental observation can be helped by a fruitful hypothesis. While a hypothesis can be partially confirmed by showing that what is deduced from it with certain initial conditions is actually found under those conditions, it cannot be completely proved in this way. What would have to be shown is that no other hypothesis would serve. Hence, in assessing the soundness of a hypothesis, stress is laid on the range and variety of facts that can be brought under its scope. Again, it is important that it should be capable of being linked systematically with hypotheses which have been found fertile in other fields.

If the predictions derived from the hypothesis are not found to be true, the hypothesis may have to be given up or modified. The fault may lie, however, in some other principle forming part of the body of accepted doctrine which has been utilized in deducing consequences from the hypothesis. It may also lie in the fact that other conditions, hitherto unobserved, are present beside the initial conditions, affecting the result. Thus the hypothesis may be kept, pending further examination of facts or some remodeling of principles. A good illustration of this is to be found in the history of the corpuscular and the undulatory hypotheses about light .

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  • How to Write a Strong Hypothesis | Steps & Examples

How to Write a Strong Hypothesis | Steps & Examples

Published on May 6, 2022 by Shona McCombes . Revised on November 20, 2023.

A hypothesis is a statement that can be tested by scientific research. If you want to test a relationship between two or more variables, you need to write hypotheses before you start your experiment or data collection .

Example: Hypothesis

Daily apple consumption leads to fewer doctor’s visits.

Table of contents

What is a hypothesis, developing a hypothesis (with example), hypothesis examples, other interesting articles, frequently asked questions about writing hypotheses.

A hypothesis states your predictions about what your research will find. It is a tentative answer to your research question that has not yet been tested. For some research projects, you might have to write several hypotheses that address different aspects of your research question.

A hypothesis is not just a guess – it should be based on existing theories and knowledge. It also has to be testable, which means you can support or refute it through scientific research methods (such as experiments, observations and statistical analysis of data).

Variables in hypotheses

Hypotheses propose a relationship between two or more types of variables .

  • An independent variable is something the researcher changes or controls.
  • A dependent variable is something the researcher observes and measures.

If there are any control variables , extraneous variables , or confounding variables , be sure to jot those down as you go to minimize the chances that research bias  will affect your results.

In this example, the independent variable is exposure to the sun – the assumed cause . The dependent variable is the level of happiness – the assumed effect .

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Step 1. Ask a question

Writing a hypothesis begins with a research question that you want to answer. The question should be focused, specific, and researchable within the constraints of your project.

Step 2. Do some preliminary research

Your initial answer to the question should be based on what is already known about the topic. Look for theories and previous studies to help you form educated assumptions about what your research will find.

At this stage, you might construct a conceptual framework to ensure that you’re embarking on a relevant topic . This can also help you identify which variables you will study and what you think the relationships are between them. Sometimes, you’ll have to operationalize more complex constructs.

Step 3. Formulate your hypothesis

Now you should have some idea of what you expect to find. Write your initial answer to the question in a clear, concise sentence.

4. Refine your hypothesis

You need to make sure your hypothesis is specific and testable. There are various ways of phrasing a hypothesis, but all the terms you use should have clear definitions, and the hypothesis should contain:

  • The relevant variables
  • The specific group being studied
  • The predicted outcome of the experiment or analysis

5. Phrase your hypothesis in three ways

To identify the variables, you can write a simple prediction in  if…then form. The first part of the sentence states the independent variable and the second part states the dependent variable.

In academic research, hypotheses are more commonly phrased in terms of correlations or effects, where you directly state the predicted relationship between variables.

If you are comparing two groups, the hypothesis can state what difference you expect to find between them.

6. Write a null hypothesis

If your research involves statistical hypothesis testing , you will also have to write a null hypothesis . The null hypothesis is the default position that there is no association between the variables. The null hypothesis is written as H 0 , while the alternative hypothesis is H 1 or H a .

  • H 0 : The number of lectures attended by first-year students has no effect on their final exam scores.
  • H 1 : The number of lectures attended by first-year students has a positive effect on their final exam scores.
Research question Hypothesis Null hypothesis
What are the health benefits of eating an apple a day? Increasing apple consumption in over-60s will result in decreasing frequency of doctor’s visits. Increasing apple consumption in over-60s will have no effect on frequency of doctor’s visits.
Which airlines have the most delays? Low-cost airlines are more likely to have delays than premium airlines. Low-cost and premium airlines are equally likely to have delays.
Can flexible work arrangements improve job satisfaction? Employees who have flexible working hours will report greater job satisfaction than employees who work fixed hours. There is no relationship between working hour flexibility and job satisfaction.
How effective is high school sex education at reducing teen pregnancies? Teenagers who received sex education lessons throughout high school will have lower rates of unplanned pregnancy teenagers who did not receive any sex education. High school sex education has no effect on teen pregnancy rates.
What effect does daily use of social media have on the attention span of under-16s? There is a negative between time spent on social media and attention span in under-16s. There is no relationship between social media use and attention span in under-16s.

If you want to know more about the research process , methodology , research bias , or statistics , make sure to check out some of our other articles with explanations and examples.

  • Sampling methods
  • Simple random sampling
  • Stratified sampling
  • Cluster sampling
  • Likert scales
  • Reproducibility

 Statistics

  • Null hypothesis
  • Statistical power
  • Probability distribution
  • Effect size
  • Poisson distribution

Research bias

  • Optimism bias
  • Cognitive bias
  • Implicit bias
  • Hawthorne effect
  • Anchoring bias
  • Explicit bias

A hypothesis is not just a guess — it should be based on existing theories and knowledge. It also has to be testable, which means you can support or refute it through scientific research methods (such as experiments, observations and statistical analysis of data).

Null and alternative hypotheses are used in statistical hypothesis testing . The null hypothesis of a test always predicts no effect or no relationship between variables, while the alternative hypothesis states your research prediction of an effect or relationship.

Hypothesis testing is a formal procedure for investigating our ideas about the world using statistics. It is used by scientists to test specific predictions, called hypotheses , by calculating how likely it is that a pattern or relationship between variables could have arisen by chance.

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  1. Examples of "Hypothesis" in a Sentence

    1. According to the hypothesis of Waldeyer and Thiersch there is perfect equilibrium between the normal epithelium and its supporting structure, the connective tissue, but with advancing age this balance is upset owing to the connective tissue gradually losing its restraining power. 9. 6.

  2. Examples of 'Hypothesis' in a Sentence

    Synonyms for hypothesis. The results of the experiment did not support his hypothesis. Their hypothesis is that watching excessive amounts of television reduces a person's ability to concentrate. Other chemists rejected his hypothesis. Isaac Newton initially argued against a parabolic orbit for the … comet of 1680, preferring the hypothesis ...

  3. How to use hypothesis in a sentence

    However, such a hypothesis is again unable to explain the selective maintenance of alleles in humans.: The multidimensionality of racial identity and its impact on the various communication dimensions of classroom learning led to the following research question and hypothesis.: To test this hypothesis in the two fossil species, I measured eight aspects of 60 astragali from UCMP locality 1100 ...

  4. HYPOTHESIS in a Sentence Examples: 21 Ways to Use Hypothesis

    Clearly state your hypothesis in a simple and concise manner. For example, "The scientist's hypothesis is that plants will grow faster with added sunlight.". Use the word hypothesis to introduce your prediction or expectation before testing it. For instance, "Our hypothesis is that students who study regularly will perform better on the ...

  5. Hypothesis: In a Sentence

    Definition of Hypothesis. a proposed explanation or theory that is studied through scientific testing. Examples of Hypothesis in a sentence. The scientist's hypothesis did not stand up, since research data was inconsistent with his guess. Each student gave a hypothesis and theorized which plant would grow the tallest during the study.

  6. Example sentences with HYPOTHESIS

    The findings support the hypothesis that taller and shorter people see the world differently. Times, Sunday Times. (2011) Consider how much observed behaviour my hypothesis explains. Times, Sunday Times. (2012) Different hypotheses have been put forward to explain why these foods are more likely to offend. Holford, Patrick.

  7. Hypothesis Definition & Meaning

    The meaning of HYPOTHESIS is an assumption or concession made for the sake of argument. How to use hypothesis in a sentence. The Difference Between Hypothesis and Theory Synonym Discussion of Hypothesis.

  8. Example sentences with, and the definition and usage of "Hypothesis

    Q: Please show me example sentences with hypothesis . A: 'Even a religion that stresses faith above all else seeks evidence to confirm its hypotheses .'. 'Several hypotheses have been proposed to explain the number of times segmentation arose.'. 'All of those hypotheses were proposed indirectly and may not be mutually exclusive to ...

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    English The evidence makes them change that hypothesis. volume_up more_vert. English The hypothesis that the die is not fixed is to be tested. volume_up more_vert. English AG: Okay,there's his fifth hypothesis. volume_up more_vert. English Only the latter hypothesis is coherent with the hierarchy of the institutions. volume_up more_vert.

  10. hypothesis

    hypothesis. noun. Used loosely, a tentative conjecture explaining an observation, phenomenon or scientific problem that can be tested by further observation, investigation and/or experimentation. As a scientific term of art, see the attached quotation. Compare to theory, and quotation given there. synonyms. guess.

  11. The Word "Hypothesis" in Example Sentences

    English Sentences Focusing on Words and Their Word Families The Word "Hypothesis" in Example Sentences Each page has up to 50 sentences. Sentences with audio are listed first.

  12. The Word "Hypothesis" in Example Sentences

    English Sentences Focusing on Words and Their Word Families The Word "Hypothesis" in Example Sentences Page 1. 2110836 This is just a hypothesis . Lenin_1917 859980 Your hypothesis is correct. piksea 1834013 These facts support my hypothesis . matchai 55284 This data supports the hypothesis . CK 267169 The facts bear out this hypothesis .

  13. Examples of "Hypotheses" in a Sentence

    Learn how to use "hypotheses" in a sentence with 108 example sentences on YourDictionary. Dictionary Thesaurus Sentences Grammar Vocabulary Usage ... The primary difference between a hypothesis and a theory is the point at which they are formed in the scientific process. A hypothesis is made before an experiment while a theory is formed after ...

  14. Hypothesis

    In science, a hypothesis is an idea or explanation that you then test through study and experimentation. Outside science, a theory or guess can also be called a hypothesis. ... DISCLAIMER: These example sentences appear in various news sources and books to reflect the usage of the word 'hypothesis'.

  15. Examples of "Hypothesis" In A Sentence

    Sentences with Hypothesis. Hypothesis: The sun rises in the east. They formulated a null hypothesis to compare against the alternative. We need to revise the original hypothesis. They discussed the hypothesis with colleagues in their field. They formulated competing hypotheses to compare and contrast the findings.

  16. hypothesis noun

    The hypothesis predicts that children will perform better on task A than on task B. The results confirmed his hypothesis on the use of modal verbs. These observations appear to support our working hypothesis. a speculative hypothesis concerning the nature of matter; an interesting hypothesis about the development of language

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    hypothesis. 226+9 sentence examples: 1. Let me enumerate many flaws in your hypothesis. 2. She wrote something to summarize her hypothesis. 3. The researcher sets up experiments to test the hypothesis. 4. Scientists have proposed a bold hypothesis.

  18. HYPOTHESIS Definition & Meaning

    Hypothesis definition: a proposition, or set of propositions, set forth as an explanation for the occurrence of some specified group of phenomena, either asserted merely as a provisional conjecture to guide investigation (working hypothesis ) or accepted as highly probable in the light of established facts.. See examples of HYPOTHESIS used in a sentence.

  19. Examples of "Hypothesize" in a Sentence

    Learn how to use "hypothesize" in a sentence with 8 example sentences on YourDictionary. Dictionary Thesaurus Sentences Grammar Vocabulary Usage ... The primary difference between a hypothesis and a theory is the point at which they are formed in the scientific process. A hypothesis is made before an experiment while a theory is formed after ...

  20. HYPOTHESIS

    HYPOTHESIS meaning: 1. an idea or explanation for something that is based on known facts but has not yet been proved…. Learn more.

  21. How to Write a Hypothesis in 6 Steps, With Examples

    4 Alternative hypothesis. An alternative hypothesis, abbreviated as H 1 or H A, is used in conjunction with a null hypothesis. It states the opposite of the null hypothesis, so that one and only one must be true. Examples: Plants grow better with bottled water than tap water. Professional psychics win the lottery more than other people. 5 ...

  22. Hypothesis

    hypothesis, something supposed or taken for granted, with the object of following out its consequences (Greek hypothesis, "a putting under," the Latin equivalent being suppositio). Discussion with Kara Rogers of how the scientific model is used to test a hypothesis or represent a theory Kara Rogers, senior biomedical sciences editor of ...

  23. How to Write a Strong Hypothesis

    5. Phrase your hypothesis in three ways. To identify the variables, you can write a simple prediction in if…then form. The first part of the sentence states the independent variable and the second part states the dependent variable. If a first-year student starts attending more lectures, then their exam scores will improve.