What is the definition of hypothesis

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Give a good definition of hypothesis, aim, control treatment, and the variables.I need a good definition of all these terms. And by the variables I... | eNotes

What is the definition of hypothesis

Define hypothesis. hypothesis synonyms, hypothesis pronunciation, hypothesis translation, English dictionary definition of hypothesis. n. pl. hypotheses 1. A tentative explanation for an observation, phenomenon, or scientific problem that can be tested by further investigation. .boxy-content a.term-action, button.term-action a.term-action:hover, button.term-action:hover .term-action-bg .term-uex .term-cite .term-fc .term-edit .boxy-dflt-hder .definition .definition a .definition h2 .example, .highlight-term a.round-btn, a.round-btn.selected:hover a.round-btn:hover, a.round-btn.selected .social-icon a.round-btn .social-icon a.round-btn:hover a.round-btn .fa-facebook a.round-btn .fa-twitter a.round-btn .fa-google-plus .rotate a a.up:hover, selected, a.down:hover, selected, .vote-status .adjacent-term .adjacent-term:hover .adjacent-term .past-tod .past-tod:hover .tod-term .tod-date .tip-content .tooltip-inner .term-tool-action-block .term-link-embed-content .term-fc-options .term-fc-options li .term-fc-options li a .checkmark .quiz-option .quiz-option-bullet .finger-button.quiz-option:hover .definition-number .wd-75 .wd-20 .left-block-terms .left-block-terms .left-block-terms li .no-padding .no-padding-left .no-padding-right .boxy-spacing @media (min-width: 768px) @media (max-width: 768px) @media print { a:link:after, a:visited:after nav, .term-action, #wfi-ad-slot-leaderboard, .wfi-slot, #related-articles, .pop-quiz, #right-block, .

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Hypothesis - Biology-Online Dictionary

What is the definition of hypothesis

Sep 13, 2015. Definition. noun, plural hypotheses. A supposition or tentative explanation for a group of phenomena, a set of facts, or a scientific inquiry that may be tested, verified or answered by further investigation or methodological experiment. Supplement. A scientific hypothesis that has been verified through. Is a commonly accepted hypothesis; it is the opposite of the alternate hypothesis. Researchers come up with an alternate hypothesis, one that they think explains a phenomenon, and then work to reject the null hypothesis. If that sounds a little convoluted, an example might help. ) scientists thought that the Earth was at the center of the Universe. That mean everything else — the sun, the planets, the whole shebang, all of those celestial bodies revolved around the Earth. : The Earth is not at the center of the Universe Let’s say you’re an amateur astronomer and you’re convinced they’ve all got it wrong.

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Animal Parasitology

What is the definition of hypothesis

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 more. Recorded since 1596, from Middle French hypothese, from Late Latin hypothesis, from Ancient Greek ὑπόθεσις (hupothesis, “base, basis of an argument, supposition”), literally “a placing under”, itself from ὑποτίθημι (hupotithēmi, “I set before, suggest”), from ὑπό (upo, “below”) τίθημι (tithēmi, “I put, place”).

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Hypothesis Synonyms, Hypothesis Antonyms | Thesaurus.com

What is the definition of hypothesis

Hypothesis definition, meaning, what is hypothesis an idea or explanation for something that is based on known facts but has not yet been. Learn more. For example, 'theory', 'law', and 'hypothesis' don't all mean the same thing. Outside of science, you might say something is 'just a theory', meaning it's supposition that may or may not be true. In science, a theory is an explanation that generally is accepted to be true. Here's a closer look at these important, commonly misused terms. A hypothesis is an educated guess, based on observation. Usually, a hypothesis can be supported or refuted through experimentation or more observation.

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Aristotle's Hypotheses and the Euclidean Postulates on JSTOR

What is the definition of hypothesis

In common usage in the 21st century, a hypothesis refers to a provisional idea whose merit requires evaluation. For proper evaluation, the framer of a hypothesis needs to define specifics in operational terms. A hypothesis requires more work by the researcher in order to either confirm or disprove it. In due course, a. An example is the statement, “It’s raining outside” or equivalently “I assert that it’s raining outside.” When you assert something, you are saying you believe it to be true, and that other people should be able to rely on your assertion. If you make a habit if asserting things that are not true, it will ruin your reputation. By way of example, in the statement “I hypothesize that it’s raining outside”, the hypothesis is the dependent clause, i.e. the clause that says “it’s raining outside.” When you hypothesize something, you are not asserting anything about whether the hypothesis is true. It might be known true, known false, probable, improbable, completely unknown, or whatever. Usually the intention is to determine A hypothesis is not a prediction or even a guess. If I predict that the sun will rise in the east, and I do the experiment, I am implicitly considering two hypotheses: Either it will rise in the east or it won’t. The point is that here we have one prediction but two hypotheses.

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Definition:By Hypothesis - ProofWiki

What is the definition of hypothesis

Define hypothesis noun and get synonyms. What is hypothesis noun? hypothesis noun meaning, pronunciation and more by Macmillan Dictionary. The efficient market hypothesis (EMH) is an investment theory that states it is impossible to "beat the market" because stock market efficiency causes existing share prices to always incorporate and reflect all relevant information. According to the EMH, stocks always trade at their fair value on stock exchanges, making it impossible for investors to either purchase undervalued stocks or sell stocks for inflated prices. As such, it should be impossible to outperform the overall market through expert stock selection or market timing, and the only way an investor can possibly obtain higher returns is by purchasing riskier investments. Although it is a cornerstone of modern financial theory, the EMH is highly controversial and often disputed. Believers argue it is pointless to search for undervalued stocks or to try to predict trends in the market through either fundamental or technical analysis. large growth, among others, investors would have fared better by investing in low-cost index funds or ETFs.

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Hypothesis dictionary definition hypothesis defined - YourDictionary

What is the definition of hypothesis

Hypothesis definition The definition of a hypothesis is an unproven theory or statement. noun An example of hypothesis is the theory of evolution. 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. For example, a study designed to look at the relationship between sleep deprivation and test performance might have a hypothesis that states, "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." Let's take a closer look at how a hypothesis is used, formed, and tested in scientific research. 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: The hypothesis is what the researchers' predict the relationship between two or more variables, but it involves more than a guess.

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Au - Dictionary Definition hypothesis

What is the definition of hypothesis

Dictionary. Definition of hypothesis. a tentative theory about 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"; "he proposed a fresh theory; a message expressing an opinion based. You may not have heard of the Efficient Market Hypothesis, also known as EMH, but you've probably wondered why even the most experienced mutual fund portfolio managers and other professional investors often lose to the major market indexes (or indices if you prefer), such as the S&P 500 Index. The Efficient Market Hypothesis (EMH) essentially says that all known information about investment securities, such as stocks, is already factored into the prices of those securities. Therefore, assuming this is true, no amount of analysis can give an investor an edge over other investors. EMH does not require that investors be rational; it says that individual investors will act randomly but, as a whole, the market is always "right." In simple terms, "efficient" implies "normal." For example, an unusual reaction to unusual information is normal. There are three forms of EMH: Weak, Semi-strong and Strong. Proponents of EMH, even in its weak form, often invest in index funds or certain ETFs because they are passively managed (these funds simply attempt to match, not beat, overall market returns). Index investors might say they are adhering to the common saying, "If you can't beat 'em, join 'em." Instead of trying to beat the market, they will buy an index fund that invests in the same securities as the underlying benchmark index.

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Definition of Hypothesis - Math is Fun

What is the definition of hypothesis

A statement that might be true, which can then be tested. Example Sam has a hypothesis that "large dogs are better at catching tennis balls than small dogs". We can test that hypothesis by having hundreds of different sized dogs try to catch tennis balls. Sometimes the hypothesis won't be tested, it is simply a good. Scientific hypothesis, an idea that proposes a tentative explanation about a phenomenon or a narrow set of phenomena observed in the natural world. The two primary features of a scientific hypothesis are falsifiability and testability, which are reflected in an “If...then” statement summarizing the idea and in the ability to be supported or refuted through observation and experimentation. The notion of the scientific hypothesis as both falsifiable and testable was advanced in the mid-20th century by Austrian-born British philosopher Karl Popper. The formulation and testing of a hypothesis is part of the scientific method, the approach scientists use when attempting to understand and test ideas about natural phenomena. The generation of a hypothesis frequently is described as a creative process and is based on existing scientific knowledge, intuition, or experience. Therefore, although scientific hypotheses commonly are described as educated guesses, they actually are more informed than a guess. In addition, scientists generally strive to develop simple hypotheses, since these are easier to test relative to hypotheses that involve many different variables and potential outcomes. Such complex hypotheses may be developed as scientific models ( scientific modeling).

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Hypothesis dictionary definition | hypothesis defined

What is the definition of hypothesis

DEFINITION of 'Efficient Market Hypothesis - EMH' The efficient market hypothesis EMH is an investment theory that states it is impossible to "beat the. Either view of the matter will serve one in immediate need of an hypothesis. Every one must admit, I think, that what Tolstoi has said of the hypothesis of the play is justified. A term in logic; narrower scientific sense is from 1640s. "a placing under," from hypo- "under" (see sub-) thesis "a placing, proposition" (see thesis). hypothesis "base, basis of an argument, supposition," lit.

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Null Hypothesis Definition and Examples, How to State - Statistics.

What is the definition of hypothesis

Oct 15, 2017. Contents What is the Null Hypothesis? How to State the Null Hypothesis What is the Null Hypothesis? Null Hypothesis Overview The null hypothesis, H0 is th. 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.

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Theory | Definition of Theory by Merriam-Webster

What is the definition of hypothesis

A hypothesis is a proposed model used in Dewey's Scientific Method, which applies in questions of cause, classification, and localization. John Dewey's Scientific Method was originally codified in 1910 to have 5 steps “i a felt difficulty, ii. By: Jerry Wilson Lay people often misinterpret the language used by scientists. And for that reason, they sometimes draw the wrong conclusions as to what the scientific terms mean. Three such terms that are often used interchangeably are “scientific law,” “hypothesis,” and “theory.” In layman’s terms, if something is said to be “just a theory,” it usually means that it is a mere guess, or is unproved. But in scientific terms, a theory implies that something has been proven and is generally accepted as being true. Here is what each of these terms means to a scientist: Scientific Law: This is a statement of fact meant to explain, in concise terms, an action or set of actions. It is generally accepted to be true and univseral, and can sometimes be expressed in terms of a single mathematical equation.

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Hypothesis Definition - What Does Hypothesis Mean? - YouTube

What is the definition of hypothesis

Nov 15, 2009. Go to the complete lesson on Hypothesis and a full course to give you the vocabulary and communication skills of a six. Usage The words hypothesis, law, and theory refer to different kinds of statements that scientists make about natural phenomena. A hypothesis is a statement that attempts to explain a set of facts. It forms the basis for an experiment that is designed to test whether it is true. Suppose your friend Smedley's room is a mess; your hypothesis might be that Smedley makes the room messy. You could test this hypothesis with an experiment: tidy up the room and see if it becomes messy again after Smedley returns.

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How to Define Hypothesis

What is the definition of hypothesis

Define hypothesis an assumption or concession made for the sake of argument — hypothesis in a sentence. A hypothesis (plural hypotheses) is a proposed explanation for a phenomenon. For a hypothesis to be a scientific hypothesis, the scientific method requires that one can test it. Scientists generally base scientific hypotheses on previous observations that cannot satisfactorily be explained with the available scientific theories. Even though the words "hypothesis" and "theory" are often used synonymously, a scientific hypothesis is not the same as a scientific theory. A working hypothesis is a provisionally accepted hypothesis proposed for further research. A different meaning of the term hypothesis is used in formal logic, to denote the antecedent of a proposition; thus in the proposition "If P, then Q", P denotes the hypothesis (or antecedent); Q can be called a consequent. P is the assumption in a (possibly counterfactual) What If question. The adjective hypothetical, meaning "having the nature of a hypothesis", or "being assumed to exist as an immediate consequence of a hypothesis", can refer to any of these meanings of the term "hypothesis".

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Hypothesis Synonyms, Hypothesis Antonyms

What is the definition of hypothesis

Synonyms for hypothesis at with free online thesaurus, antonyms, and definitions. Dictionary and Word of the Day. A statement that might be true, which can then be tested. Example: Sam has a hypothesis that "large dogs are better at catching tennis balls than small dogs". We can test that hypothesis by having hundreds of different sized dogs try to catch tennis balls. Sometimes the hypothesis won't be tested, it is simply a good explanation (which could be wrong). Example: you notice the temperature drops just as the sun rises.

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