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error of significance

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  • Error management theory — Error Management is a theory that looks at history of cognitive biases throughout evolution. It was put forth by David Buss and Martie Haselton. Such biases and heuristics over the vast time line of evolutionary history could have only existed if …   Wikipedia

  • significance tests — A variety of statistical techniques are used in empirical social research in order to establish whether a relationship between sample variables may be inferred to apply to the population from which the sample was drawn. These techniques assess… …   Dictionary of sociology

  • Error (baseball) — In baseball [statistics] , an error is the act, in the judgment of the official scorer, of a fielder misplaying a ball in a manner that allows a batter or baserunner to reach one or more additional bases, when such an advance should have been… …   Wikipedia

  • error — an incorrect spelling in a name, or other word. A copyist s error is an incorrect spelling made in copying, an inadvertent error is an incorrect spelling, such as a lapsus calami, or a copyist s or a printer s error, not intended by the original… …   Dictionary of ichthyology

  • significance level — level of significance the probability of incorrectly rejecting the null hypothesis when such a hypothesis is tested. Denoted α. See also Type I error, under error …   Medical dictionary

  • significance level — noun : level of significance herein * * * (in the statistical test of a hypothesis) the maximum probability of a Type I error for all distributions consistent with the null hypothesis. Also called level of significance. [1945 50] …   Useful english dictionary

  • significance level — (in the statistical test of a hypothesis) the maximum probability of a Type I error for all distributions consistent with the null hypothesis. Also called level of significance. [1945 50] * * * …   Universalium

  • significance — n. (in statistics) a relationship between two groups of observations indicating that the difference between them is unlikely to have occurred by chance alone. An assumption is made that there is no difference between the two populations from… …   Medical dictionary

  • Type I error — The statistical error (said to be "of the first kind" or alpha error) made in testing an hypothesis when it is concluded that a treatment or intervention is effective when it really is not. Sometimes referred to as a false positive. * * …   Medical dictionary

  • Statistical significance — In statistics, a result is called statistically significant if it is unlikely to have occurred by chance. A statistically significant difference simply means there is statistical evidence that there is a difference; it does not mean the… …   Wikipedia

  • Statistical Significance — A result that is not likely to occur randomly, but rather is likely to be attributable to a specific cause. Statistical significance can be strong or weak, and is important to research in many math and science related fields, including medicine,… …   Investment dictionary

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