A General Experimentwise Error Rate for Multiple Significance Tests

Autor:	Stanley J. Rule
Rok vydání:	1976
Předmět:	010104 statistics & probability 0504 sociology 05 social sciences Statistics 050401 social sciences methods Word error rate Experimental and Cognitive Psychology Familywise error rate 0101 mathematics 01 natural sciences Sensory Systems Mathematics
Zdroj:	Perceptual and Motor Skills. 43:1263-1277
ISSN:	1558-688X 0031-5125
DOI:	10.2466/pms.1976.43.3f.1263
Popis:	No current method of controlling error rate is appropriate for all experiments. When the error rate is set at traditional levels a per comparison error rate can yield too high a proportion of Type I errors, while an experimentwise error rate can be too conservative because the purpose of the experiment is not taken into account. A definition of error rate is proposed in which the number of significant outcomes needed to answer the question of interest is considered and a distinction is made between tests of fundamental importance and those of only subsidiary interest. The definition provides a systematic method of unequally allotting the error rate such that more power is provided for tests of crucial interest and for experiments in which several significant results are required.
Databáze:	OpenAIRE
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