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/haɪˈpɑθəsəs/, /haɪˈpɒθɪsɪs/.

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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[ 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.

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

Questions about example sentences with, and the definition and usage of "Hypothesis"

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The meaning of "Hypothesis" in various phrases and sentences

Example sentences using "hypothesis", synonyms of "hypothesis" and their differences, translations of "hypothesis", other questions about "hypothesis", meanings and usages of similar words and phrases.

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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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How to Write a Great Hypothesis

Hypothesis Definition, Format, Examples, and Tips

Verywell / Alex Dos Diaz

  • The Scientific Method

Hypothesis Format

Falsifiability of a hypothesis.

  • Operationalization

Hypothesis Types

Hypotheses examples.

  • Collecting Data

A hypothesis is a tentative statement about the relationship between two or more variables. It is a specific, testable prediction about what you expect to happen in a study. It is a preliminary answer to your question that helps guide the research process.

Consider a study designed to examine the relationship between sleep deprivation and test performance. The hypothesis might be: "This study is designed to assess the hypothesis that sleep-deprived people will perform worse on a test than individuals who are not sleep-deprived."

At a Glance

A hypothesis is crucial to scientific research because it offers a clear direction for what the researchers are looking to find. This allows them to design experiments to test their predictions and add to our scientific knowledge about the world. This article explores how a hypothesis is used in psychology research, how to write a good hypothesis, and the different types of hypotheses you might use.

The Hypothesis in the Scientific Method

In the scientific method , whether it involves research in psychology, biology, or some other area, a hypothesis represents what the researchers think will happen in an experiment. The scientific method involves the following steps:

  • Forming a question
  • Performing background research
  • Creating a hypothesis
  • Designing an experiment
  • Collecting data
  • Analyzing the results
  • Drawing conclusions
  • Communicating the results

The hypothesis is a prediction, but it involves more than a guess. Most of the time, the hypothesis begins with a question which is then explored through background research. At this point, researchers then begin to develop a testable hypothesis.

Unless you are creating an exploratory study, your hypothesis should always explain what you  expect  to happen.

In a study exploring the effects of a particular drug, the hypothesis might be that researchers expect the drug to have some type of effect on the symptoms of a specific illness. In psychology, the hypothesis might focus on how a certain aspect of the environment might influence a particular behavior.

Remember, a hypothesis does not have to be correct. While the hypothesis predicts what the researchers expect to see, the goal of the research is to determine whether this guess is right or wrong. When conducting an experiment, researchers might explore numerous factors to determine which ones might contribute to the ultimate outcome.

In many cases, researchers may find that the results of an experiment  do not  support the original hypothesis. When writing up these results, the researchers might suggest other options that should be explored in future studies.

In many cases, researchers might draw a hypothesis from a specific theory or build on previous research. For example, prior research has shown that stress can impact the immune system. So a researcher might hypothesize: "People with high-stress levels will be more likely to contract a common cold after being exposed to the virus than people who have low-stress levels."

In other instances, researchers might look at commonly held beliefs or folk wisdom. "Birds of a feather flock together" is one example of folk adage that a psychologist might try to investigate. The researcher might pose a specific hypothesis that "People tend to select romantic partners who are similar to them in interests and educational level."

Elements of a Good Hypothesis

So how do you write a good hypothesis? When trying to come up with a hypothesis for your research or experiments, ask yourself the following questions:

  • Is your hypothesis based on your research on a topic?
  • Can your hypothesis be tested?
  • Does your hypothesis include independent and dependent variables?

Before you come up with a specific hypothesis, spend some time doing background research. Once you have completed a literature review, start thinking about potential questions you still have. Pay attention to the discussion section in the  journal articles you read . Many authors will suggest questions that still need to be explored.

How to Formulate a Good Hypothesis

To form a hypothesis, you should take these steps:

  • Collect as many observations about a topic or problem as you can.
  • Evaluate these observations and look for possible causes of the problem.
  • Create a list of possible explanations that you might want to explore.
  • After you have developed some possible hypotheses, think of ways that you could confirm or disprove each hypothesis through experimentation. This is known as falsifiability.

In the scientific method ,  falsifiability is an important part of any valid hypothesis. In order to test a claim scientifically, it must be possible that the claim could be proven false.

Students sometimes confuse the idea of falsifiability with the idea that it means that something is false, which is not the case. What falsifiability means is that  if  something was false, then it is possible to demonstrate that it is false.

One of the hallmarks of pseudoscience is that it makes claims that cannot be refuted or proven false.

The Importance of Operational Definitions

A variable is a factor or element that can be changed and manipulated in ways that are observable and measurable. However, the researcher must also define how the variable will be manipulated and measured in the study.

Operational definitions are specific definitions for all relevant factors in a study. This process helps make vague or ambiguous concepts detailed and measurable.

For example, a researcher might operationally define the variable " test anxiety " as the results of a self-report measure of anxiety experienced during an exam. A "study habits" variable might be defined by the amount of studying that actually occurs as measured by time.

These precise descriptions are important because many things can be measured in various ways. Clearly defining these variables and how they are measured helps ensure that other researchers can replicate your results.

Replicability

One of the basic principles of any type of scientific research is that the results must be replicable.

Replication means repeating an experiment in the same way to produce the same results. By clearly detailing the specifics of how the variables were measured and manipulated, other researchers can better understand the results and repeat the study if needed.

Some variables are more difficult than others to define. For example, how would you operationally define a variable such as aggression ? For obvious ethical reasons, researchers cannot create a situation in which a person behaves aggressively toward others.

To measure this variable, the researcher must devise a measurement that assesses aggressive behavior without harming others. The researcher might utilize a simulated task to measure aggressiveness in this situation.

Hypothesis Checklist

  • Does your hypothesis focus on something that you can actually test?
  • Does your hypothesis include both an independent and dependent variable?
  • Can you manipulate the variables?
  • Can your hypothesis be tested without violating ethical standards?

The hypothesis you use will depend on what you are investigating and hoping to find. Some of the main types of hypotheses that you might use include:

  • Simple hypothesis : This type of hypothesis suggests there is a relationship between one independent variable and one dependent variable.
  • Complex hypothesis : This type suggests a relationship between three or more variables, such as two independent and dependent variables.
  • Null hypothesis : This hypothesis suggests no relationship exists between two or more variables.
  • Alternative hypothesis : This hypothesis states the opposite of the null hypothesis.
  • Statistical hypothesis : This hypothesis uses statistical analysis to evaluate a representative population sample and then generalizes the findings to the larger group.
  • Logical hypothesis : This hypothesis assumes a relationship between variables without collecting data or evidence.

A hypothesis often follows a basic format of "If {this happens} then {this will happen}." One way to structure your hypothesis is to describe what will happen to the  dependent variable  if you change the  independent variable .

The basic format might be: "If {these changes are made to a certain independent variable}, then we will observe {a change in a specific dependent variable}."

A few examples of simple hypotheses:

  • "Students who eat breakfast will perform better on a math exam than students who do not eat breakfast."
  • "Students who experience test anxiety before an English exam will get lower scores than students who do not experience test anxiety."​
  • "Motorists who talk on the phone while driving will be more likely to make errors on a driving course than those who do not talk on the phone."
  • "Children who receive a new reading intervention will have higher reading scores than students who do not receive the intervention."

Examples of a complex hypothesis include:

  • "People with high-sugar diets and sedentary activity levels are more likely to develop depression."
  • "Younger people who are regularly exposed to green, outdoor areas have better subjective well-being than older adults who have limited exposure to green spaces."

Examples of a null hypothesis include:

  • "There is no difference in anxiety levels between people who take St. John's wort supplements and those who do not."
  • "There is no difference in scores on a memory recall task between children and adults."
  • "There is no difference in aggression levels between children who play first-person shooter games and those who do not."

Examples of an alternative hypothesis:

  • "People who take St. John's wort supplements will have less anxiety than those who do not."
  • "Adults will perform better on a memory task than children."
  • "Children who play first-person shooter games will show higher levels of aggression than children who do not." 

Collecting Data on Your Hypothesis

Once a researcher has formed a testable hypothesis, the next step is to select a research design and start collecting data. The research method depends largely on exactly what they are studying. There are two basic types of research methods: descriptive research and experimental research.

Descriptive Research Methods

Descriptive research such as  case studies ,  naturalistic observations , and surveys are often used when  conducting an experiment is difficult or impossible. These methods are best used to describe different aspects of a behavior or psychological phenomenon.

Once a researcher has collected data using descriptive methods, a  correlational study  can examine how the variables are related. This research method might be used to investigate a hypothesis that is difficult to test experimentally.

Experimental Research Methods

Experimental methods  are used to demonstrate causal relationships between variables. In an experiment, the researcher systematically manipulates a variable of interest (known as the independent variable) and measures the effect on another variable (known as the dependent variable).

Unlike correlational studies, which can only be used to determine if there is a relationship between two variables, experimental methods can be used to determine the actual nature of the relationship—whether changes in one variable actually  cause  another to change.

The hypothesis is a critical part of any scientific exploration. It represents what researchers expect to find in a study or experiment. In situations where the hypothesis is unsupported by the research, the research still has value. Such research helps us better understand how different aspects of the natural world relate to one another. It also helps us develop new hypotheses that can then be tested in the future.

Thompson WH, Skau S. On the scope of scientific hypotheses .  R Soc Open Sci . 2023;10(8):230607. doi:10.1098/rsos.230607

Taran S, Adhikari NKJ, Fan E. Falsifiability in medicine: what clinicians can learn from Karl Popper [published correction appears in Intensive Care Med. 2021 Jun 17;:].  Intensive Care Med . 2021;47(9):1054-1056. doi:10.1007/s00134-021-06432-z

Eyler AA. Research Methods for Public Health . 1st ed. Springer Publishing Company; 2020. doi:10.1891/9780826182067.0004

Nosek BA, Errington TM. What is replication ?  PLoS Biol . 2020;18(3):e3000691. doi:10.1371/journal.pbio.3000691

Aggarwal R, Ranganathan P. Study designs: Part 2 - Descriptive studies .  Perspect Clin Res . 2019;10(1):34-36. doi:10.4103/picr.PICR_154_18

Nevid J. Psychology: Concepts and Applications. Wadworth, 2013.

By Kendra Cherry, MSEd Kendra Cherry, MS, is a psychosocial rehabilitation specialist, psychology educator, and author of the "Everything Psychology Book."

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Definition of hypothesis noun from the Oxford Advanced American Dictionary

  • formulate/advance a theory/hypothesis
  • build/construct/create/develop a simple/theoretical/mathematical model
  • develop/establish/provide/use a theoretical/conceptual framework/an algorithm
  • 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/calculations
  • take/record measurements
  • 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 behavior
  • 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
  • analyze/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

Questions about grammar and vocabulary?

Find the answers with Practical English Usage online, your indispensable guide to problems in English.

  • 2 [ uncountable ] guesses and ideas that are not based on certain knowledge synonym speculation It would be pointless to engage in hypothesis before we have the facts.

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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

flow chart of scientific method

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

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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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hypothesize

Definition of hypothesize

intransitive verb

transitive verb

  • hypothecate

Examples of hypothesize in a Sentence

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

Word History

1738, in the meaning defined at intransitive sense

Dictionary Entries Near hypothesize

hypothetical

Cite this Entry

“Hypothesize.” Merriam-Webster.com Dictionary , Merriam-Webster, https://www.merriam-webster.com/dictionary/hypothesize. Accessed 1 Aug. 2024.

Kids Definition

Kids definition of hypothesize, more from merriam-webster on hypothesize.

Britannica English: Translation of hypothesize for Arabic Speakers

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(Definition of hypothesis from the Cambridge Learner's Dictionary © Cambridge University Press)

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what does the word hypothesis mean in a sentence

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hypotheses
a prediction or educated guess that can be tested and can be used to guide further study.
hypothesist (n.)
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What does the underlined word mean in the following sentence? Mi materia favorita es la música . hobby subject teacher material

Related questions.

please hurry and helpppppppppppppppppp!

55 99 01 72 58

Explanation:

please help asap I will mark brainlest ​

PLZ NEED HELP WITH THIS ILL MAKE YOU BRAINLIEST

Ask this in Chegg maybe they have an answer

IF ANYONE KNOWS SPANISH THIS WILL BE EASY FOR YOU PLEASE HELP ME

2. Son las dos y diez de la tarde.

3. Son las nueve de la noche.

4. Son diez para las seis de la tarde.

5. Es la una y media de la madrugada.

Conjugar modelo: nosotros/comer/pizza/anoche please help form sentences while conjugating the verbs into a perterite form

PLEASE HELP WITH SPANISH!! I NEED HELP OMG

I translated it if that helps.

Which personality trait best completes the second sentence? A Juan, le gusta jugar fútbol y lo practica todos los días. Él es ____________.

CAN SOMEONE EXPLAIN WHAT THESE DIRECTIONS SAY?

*Use the articles that you had read and listened to write an essay about the topic.

1. First, organize your ideas and make a draft about your ideas.

2. Then, use your draft to write your essay.

3. Finally, record your essay.

I hope this helps

Can someone please explain this to me? - Thank you in advance.Add the appropriate definite or indefinitearticle for each noun:1. Comunidad ________2. Pintores _______3. Programa _______4. Natacion _______5. Revistas _______6. Lapiz ________7. Pasajeros _______8. Computadoras _______.9. Traje de bano _______10. Laccion _______.

1. La comunidad

2. Los pintores

3. El programa

4. La natación

5. Las revistas

6. El lápiz

7. Los pasajeros

8. Las computadoras

9. El traje de baño

10. La lección

Read the situation and the dialogue. Then select the best expression to complete the conversation. Juan has a meeting with his counselor to enroll in a program, and he provides some information about himself and his family. —Buenos días, señora. —Buenos días, Juan. —Mi nombre es Juan Romero y ________ de Guatemala. Mi papá se llama señor Esteban Romero. —Gracias, Juan. Based on the information provided, what would be a possible expression Juan would use? (2 points) a tú eres b me llamo c el nombre d yo soy

Answer: yo soy

Explanation: I got it correct on my test

Someone please help me quick

Es, estamos

Hope this helps!

es, estamos

es means it is and estamos means we're

O puerta árboles bolígrafo​

なんてこったなんてこったなんてこったやあ

[tex]O puerta árboles bolígrafo[/tex]

Hey, pls help. For spanish

the answer is for that is A

Plz conjugate in preterite or imperfect based on which one fits.

Que argumentos se pueden aportar para validar un texto literario

Un texto literario puede ser validado según su función, que es estética , es decir, un texto literario es cualquier texto cuya función esté destinada al arte, el entretenimiento, la ficción, etc.

A diferencia del texto con una función utilitaria, el texto literario tiene el entretenimiento como función central.

Algunos ejemplos de textos literarios son: poemas, asuntos, fábulas, obras de teatro y crónicas.

Para crear un texto literario debes:

Para empezar a escribir , puedes empezar profundizando tu lectura para comprender mejor la estética de cada estilo, y luego empezar a practicar tu escritura a través de tu imaginación y creatividad , ya que la práctica facilita el desarrollo de la habilidad de escribir buenos textos literarios.

Aprende más aquí:

https://brainly.com/question/17451590

Un final alternativo para los tres jombres junto al rio

miércoles / abuela / todos / los / ir / yo / a / casa / de / la

Your question (Spanish): miércoles / abuela / todos / los / ir / yo / a / casa / de / la

My answer (English): wednesday / grandmother / all / the / go / me / to / house / from / the

I'm not sure if this is what you wanted since there are no instructions on the page. Either way, I hope I helped!

Have a lovely day!

What are correct ways to formally ask a person or a group of people their name(s)? in Spanish​

Answer: Disculpe, cuál es su nombre?

You don’t have to necessarily say the disculpe, but it definitely makes you sound more formal. But of course, it depends on the situation. For example, if you haven’t started the conversation yet and you just simply want ask the name(s), it’ll be better to add the disculpe, but if you are already talking with someone, the disculpe will be a bit weird.

WILL GET BRAINLIEST!!!!!! I NEED IT BY TODAY which list shows the temperatures in order from coldest from warmest in degrees Fahrenheit?

Even though you didn't really give a list of degrees. Just look how low the number is the lower the colder and the higher is  hotter

°Traza las alturas de los siguientes triángulos y romboides. Después calcula su área​

4. What is the meaning of las mochilas? a bookbag some bookbags O the bookbag the bookbags

the backpacks?

perdón no pude evitarlo jejej !FELIZ CUMPLE AÑOS DAVID¡ son las 12 am y quería ser la primera en felicitarte !TE QUIERO MUCHO¡ y espero que la pases super bien hoy en tu cumple se que no veras esto hasta la mañana por que estas dormido peo igual lo quería hacer jejej bueno adiós TQM PNDJ

¿Qué hierbas encontramos mayoritariamente en las cocinas estudiadas? Pimienta Perejil y cilantro Huevos Canela

La respuesta es "Perejil y cilantro" porque pimienta, huevos y canela no son hierbas.

What is the plural form of each singular article and noun and the singular form of each plural article and noun. _____ = unas fotografías _____ = un día _____ = un cuaderno _____ = unos pasajeros _____ = una computadora _____ = unas escuelas _____ = unos videos _____ = un programa _____ = unos autobuses _____ = una palabra

1. Una fotografia

2. Unos dias

3. Unos cuadernos

4. Un pasajero

5. Unas computadoras

6. Una escuela

7. Un video

8. Unos programas

9. Un autobús

10. Unas palabras

Explanation: I hope this helps.

___una fotografía__ = unas fotografías

_ unos días____ = un día

__ unos cuadernos___ = un cuaderno

__ un pasajero___ = unos pasajeros

__ unas computadoras ___ = una computadora

__ una escuela___ = unas escuelas

__ un vídeo___ = unos videos

__ unos programas ___ = un programa

__ un autobús ___ = unos autobuses

__ unas palabras ___ = una palabra

Navegaron desde el sur, el grupo preposicional "desde el sur" modifica un: a) verbo b) sustantivo c) adjetivo d)adverbio ​

I think is might be C, but don't get mad at me if you you get it wrong.

ASAP S-P-A-N-I-S-H Escoge la mejor respuesta. Select the best answer. F L V S Es importante incluir ________ para citar donde encontraste la información para tu redacción. las fuentes la conclusión la introducción los personajes

Las fuentes

Es importante incluir ___ las fuentes _____ para citar donde encontraste la información para tu redacción.

86. Paco (estudiar) mucho para sus exámenes 87. Enrique Iglesias canciones en español. (cantar) cestudiar 88. Yo cuatro asignaturas optativas cursos este trimestre. (estudiar 89. Jorge y Pedro la comida en el supermercado enfrente del polideportivo. (comprar) 90.Ustedes trabajar más. (necesitar) 91. Susana la librería. (buscar) 92. Nosotros el alquiler todos los meses. (pagar) 93. Yo buenas notas en biologia. (sacar) 94. Usted a clase mañana. (regresar) 95. María sus notas en el cuaderno. (apuntar)

Paco   estudio mucho para sus exámenes.

Enrique Iglesias   canta canciones en español.

Yo   estudie cuatro asignaturas optativas cursos este trimestre

Jorge y Pedro compran  la comida en el supermercado enfrente del polideportivo.

Ustedes necesitan   trabajar más.

Susana buscara   la librería.

Nosotros pagamos el alquiler todos los meses

Yo saque   buenas notas en biología

Usted regresara  a clase mañana

María  apunta sus notas en el cuaderno

what would mi abuela as spanish pronoun be ?

So your grandmother as a spanish pronoun would be ella

Your spanish pronouns are  yo, tú, él, ella, usted

yo- means me

tú-means your

él-means him/he

ella-means she/her

usted-means you

EVA ¿Dónde estabas? Llevo llamándote. ANA Perdona, estoy buscando vestidos de novia. EVA ¿Vas a casarte? ¿Y te vas a Texas con Andrés? ANA SI, a Texas. con lo poco que me gusta el calor. ANA ¡Ay, qué lejos, te voy a EVA ¡Me alegro por ti, Ana! Y además Andrés es genial. ANA Sí, y le encanta vlajar. Él es todo un Por cierto, necesito ropa adecuada para el calor. EVA ¿Te ayudo a buscar? A mi vestir a los demás. ANA Bueno, tengo que ir a la a encargar las invitaciones.

Las palabras / oraciones que completan el texto de manera adecuada son:

En las actividades de completar un texto generalmente tenemos la posibilidad de encontrar los términos u oraciones adecuados fijándonos en el contexto del texto.

Adicionalmente, podemos identificar la intención del autor para escribir un texto y la palabra faltante en cada intervención de la conversación teniendo en cuenta casos de la vida real y conversaciones reales.

De acuerdo a lo anterior, es posible inferir que los términos faltantes en esta conversación son:

EVA: ¿Dónde estabas? Llevo un rato llamándote.

ANA: Perdona, estoy liada buscando vestido de novia.

EVA: ¿Vas a casarte? Enhorabuena ¿Y te vas a Texas con Andrés?

ANA: Sí a Texas, ¿Quién lo iba a decir? , con lo poco que me gusta el calor.

ANA: !Ay, que lejos, te voy a echar de menos .

EVA: !Me alegro por ti, Ana¡ Te lo mereces . Y además Andrés es genial.

ANA: Sí y le encanta viajar. Él es todo un trotamundos . Por cierto, necesito ropa adecuada para el calor.

EVA: ¿Te ayudo a buscar? A mi se me da bien vestir a los demás.

ANA: Bueno. tengo que ir a la imprenta a encargar las invitaciones.

EVA: Ah, pues debes tener prisa , la imprenta cierra a las ocho.

Nota : La pregunta está incompleta porque le falta la pregunta y las opciones. Aquí está la pregunta y las opciones:

Completa el diálogo con algunas de las palabras y expresiones del vocabulario.

Aprenda más sobre textos en: https://brainly.com/question/12529412

1. Escoge la mejor respuesta, según el contexto. En ese centro comercial se consigue a buenos precios. ropa de marca bellezas conjuntos patrón 2. Debería _____ los buenos precios de esta temporada. Girar alrededor de Contar con Sacar provecho de Estar rodeado de 3. Piensa que todo el mundo _____ ella, no toma en cuenta nuestros horarios. Se deprime Cuenta con Se rebela contra Gira alrededor

IMAGES

  1. 13 Different Types of Hypothesis (2024)

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  3. Examples of “Hypothesis” In A Sentence

    what does the word hypothesis mean in a sentence

  4. How to Write a Hypothesis: The Ultimate Guide with Examples

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  5. What is the meaning of the word HYPOTHESIS?

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  6. Hypothesis Meaning

    what does the word hypothesis mean in a sentence

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COMMENTS

  1. Examples of 'Hypothesis' in a Sentence

    noun. 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. The coming days and weeks will put that hypothesis to the test.

  2. Examples of "Hypothesis" in a Sentence

    2. 1. Advertisement. It follows that philosophy is in a sense both dualist and monist; it is a cosmic dualism inasmuch as it admits the possible existence of matter as a hypothesis, though it denies the possibility of any true knowledge of it, and is hence in regard of the only possible knowledge an idealistic monism.

  3. Hypothesis Definition & Meaning

    hypothesis: [noun] an assumption or concession made for the sake of argument. an interpretation of a practical situation or condition taken as the ground for action.

  4. HYPOTHESIS

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

  5. Examples of 'hypothesis' in a sentence

    Competing in a Global Economy. ( 1990) His colleagues must surely be asking themselves whether they really need to test this hypothesis before making a change. Times, Sunday Times. ( 2011) First, that the lifestyle concept suggests hypotheses which are true by definition and therefore trivial.

  6. Hypothesis

    hypothesis: 1 n 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 Types: show 17 types... hide 17 types... hypothetical a hypothetical ...

  7. HYPOTHESIS

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

  8. 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.

  9. 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

  10. HYPOTHESIS definition and meaning

    3 meanings: 1. a suggested explanation for a group of facts or phenomena, either accepted as a basis for further verification.... Click for more definitions.

  11. HYPOTHESIS

    HYPOTHESIS definition: a suggested explanation for something that has not yet been proved to be true. Learn more.

  12. 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 ...

  13. 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.

  14. Hypothesis: Definition, Examples, and Types

    A hypothesis is a tentative statement about the relationship between two or more variables. It is a specific, testable prediction about what you expect to happen in a study. It is a preliminary answer to your question that helps guide the research process. Consider a study designed to examine the relationship between sleep deprivation and test ...

  15. hypothesis noun

    1 [countable] an idea or explanation of something that is based on a few known facts but that has not yet been proved to be true or correct synonym theory to formulate/confirm a hypothesis a hypothesis about the function of dreams There is little evidence to support these hypotheses. Topic Collocations Scientific Research theory. formulate/advance a theory/hypothesis

  16. Hypothesis Definition & Meaning

    Hypothesis definition: An unproved theory, proposition, supposition, etc. tentatively accepted to explain certain facts or (working hypothesis) to provide a basis for further investigation, argument, etc.

  17. 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 ...

  18. How to Write a Strong Hypothesis

    Developing a hypothesis (with example) 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. Example: Research question.

  19. HYPOTHESIS definition in American English

    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 (sense 5) 2. an assumption used in an argument without its being endorsed; a supposition. 3. an unproved theory; a conjecture. Collins English Dictionary.

  20. Hypothesize Definition & Meaning

    The meaning of HYPOTHESIZE is to make a hypothesis. How to use hypothesize in a sentence.

  21. HYPOTHESIS definition

    HYPOTHESIS meaning: a suggested explanation for something that has not yet been proved to be true. Learn more.

  22. hypothesis

    The meaning of hypothesis. Definition of hypothesis. Best online English dictionaries for children, with kid-friendly definitions, integrated thesaurus for kids, images, and animations. ... This chapter explains scientists' new hypothesis about the birth of stars. similar words: theory: related words: guess: derivation: hypothesist (n.) Word ...

  23. What does the underlined word mean in the following sentence?

    Answer: Paco estudio mucho para sus exámenes. Enrique Iglesias canta canciones en español. Yo estudie cuatro asignaturas optativas cursos este trimestre Jorge y Pedro compran la comida en el supermercado enfrente del polideportivo.. Ustedes necesitan trabajar más.. Susana buscara la librería.. Nosotros pagamos el alquiler todos los meses. Yo saque buenas notas en biología

  24. You shall know a piece by the company it keeps. Chess plays as a data

    Word embeddings are a technical implementation of the linguistic idea of distributional semantics. Distributional semantics is the concept that the meaning of a word is revealed through its context, and by examining the surrounding words, we can infer its semantics. For example, we can assume that in the sentence "he returned home after three