A Computer Program for Calculating Power of the F-test.

Woodward, J. Arthur; Overall, John E.

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Peer reviewed

ERIC Number: EJ137082

Record Type: Journal

Publication Date: 1976

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A Computer Program for Calculating Power of the F-test

Woodward, J. Arthur; Overall, John E.

Educational and Psychological Measurement, 36, 1, 165-8, Spr 76

Describes a computer program for calculating the power of the F-test. Approach is based upon two independent approximations-- a normalization of the non-central F distribution and an integration of the normal distribution. Comparison of the calculated values of power with exact values revealed a high degree of accuracy. (Author/RC)

Descriptors: Analysis of Variance, Computer Programs, Power (Statistics), Probability, Statistical Significance

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