On Use of Multiple Tests of Significance in Psychological Research
- 1 August 1974
- journal article
- Published by SAGE Publications in Psychological Reports
- Vol. 35 (1), 427-431
- https://doi.org/10.2466/pr0.1974.35.1.427
Abstract
The evaluation of a series of statistical tests in psychological research is a common problem faced by many investigators. As the number of statistical tests increases, the probability of making a Type I error, i.e., of rejecting the null hypothesis when in fact it is true, increases as well. To help researchers evaluate their results, tables have been constructed which show the probability of obtaining k or more significant results due to chance in a series of K independent statistical tests. Recommendations are also given in order to avoid the problems of a Type I error.Keywords
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