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alternative hypothesis

Overview page. Subjects: Psychology — Probability and Statistics.

The hypothesis, in a hypothesis test, that will be accepted if the null hypothesis is rejected. The term was introduced by Neyman and Egon Pearson in 1933.

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Bayes theorem

Overview page. Subjects: Mathematics — Psychology.

A simple form of Bayes's theorem is , where A′ denotes the complementary event (see sample space) to the event A. For example, suppose a man has two coins in his pocket. One is unbiased,...

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Bernoulli trial

Overview page. Subjects: Psychology — Mathematics.

In the theory of probability, any of a sequence of independent random experiments each of which has two possible outcomes, often labelled success (S) or failure (F), with unchanging...

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biconditional

Overview page. Subjects: Psychology — Computing.

A logical statement combining two statements, truth values, or formulas P and Q in such a way that the outcome is true only if P and Q are both true or both false, as indicated in the table.

null...

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calculate

Overview page. Subjects: Mathematics — Psychology.

To work out the value of a mathematical or arithmetical procedure, or the output of an algorithm.

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CFF

Overview page. Subjects: Psychology — Computing.

Abbrev. for critical flicker fusion frequency. 1. The minimal frequency of flashes of light per second below which an intermittent light stimulus...

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CIE color model

Overview page. Subjects: Computing — Psychology.

A color model developed by the CIE and based on a standard observer whose color vision is representative of the human population having normal color vision. The first CIE color model was...

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conservation of energy

Overview page. Subjects: Psychology — Mathematics.

When all the forces acting on a system are conservative forces, E k +E p = constant, where E null...

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counterexample

Overview page. Subjects: Mathematics — Psychology.

Let p(x) be a mathematical sentence involving a symbol x, so that, when x is a particular element of some universal set, p(x) is a statement that is either true or false. What may be of...

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cross-validation

Overview page. Subjects: Mathematics — Psychology.

1 In psychometrics, evaluating the validity of a test by administering it to an independent sample drawn from the same population as the sample on which it was originally...

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