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Peer reviewedCascio, Wayne F.; Zedeck, Sheldon – Personnel Psychology, 1983
Considers alternative strategies for optimizing statistical power in applied psychological research, including increasing sample size, combining predictors, and increasing alpha. Concluded that a priori power analysis should be a major consideration in any test of an hypothesis. Alpha level adjustment should be viewed as useful for increasing…
Descriptors: Effect Size, Power (Statistics), Prediction, Research Design
Peer reviewedMurray, Leigh W.; Dosser, David A., Jr. – Journal of Counseling Psychology, 1987
The use of measures of magnitude of effect has been advocated as a way to go beyond statistical tests of significance and to identify effects of a practical size. They have been used in meta-analysis to combine results of different studies. Describes problems associated with measures of magnitude of effect (particularly study size) and…
Descriptors: Effect Size, Meta Analysis, Research Design, Research Methodology
