MULTIPLICITY OF TESTING

Domain	Definition
Statistics	Even when the null hypothesis is true, a statistical hypothesis test has a small probability(the preselected alpha-level or significance level)of falsely rejecting the null hypothesis. With a significance level of 0. 05, this could be considered as the probability of seeing 20 come up on a 20-sided fair die. If multiple tests are done(the die is rolled multiple times), even if the null hypothesis in each case is true, the probability of getting at least one such false rejection(seeing 20 turn up at least once)increases. For the common problem of comparing pairwise mean differences following an analysis of variance, the probability of seeing at least one such false rejection could approach 90 % when there are 10 level means in the factor. To avoid the multiplicity problem, multiple comparison tests have been devised to allow for simultaneous inference about all the pairwise comparisons while maintaining the desired significance level. Source: European Union. (references)
Source: compiled by the editor from various references; see credits.

Language		Translations for "MULTIPLICITY OF TESTING"; alternative meanings/domain in parentheses.
Danish		testmultiplicitet. (various references)

Dutch		multipliciteit van de toets. (various references)

German		simultane Tests. (various references)

Italian		molteplicit� di prove di test. (various references)

Pig Latin		ultiplicitymay ofay estingtay.(various references)

Spanish		tests para inferencia simultánea. (various references)
Source: compiled by the editor from various translation references.

Specialty Definition: MULTIPLICITY OF TESTING