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Planned comparisons: Controlling power and determining sample sizes
Author(s) -
Wilcox Rand R.,
Chao Eddie
Publication year - 1985
Publication title -
british journal of mathematical and statistical psychology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.157
H-Index - 51
eISSN - 2044-8317
pISSN - 0007-1102
DOI - 10.1111/j.2044-8317.1985.tb00837.x
Subject(s) - sample size determination , sample (material) , statistics , power (physics) , mathematics , statistical power , econometrics , computer science , physics , quantum mechanics , thermodynamics
The problem of power in planned comparisons with unequal sample sizes and unequal variances is considered. An exact method of controlling power and deciding whether the sample sizes are large enough is provided.