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Educational and Psychological Measurement
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What's this?

A Computer Program for Calculating Power of the F-Test

J. Arthur Woodward

The University of Texas Medical Branch, Galveston

John E. Overall

The University of Texas Medical Branch, Galveston

This paper describes a simple computer program for calculating the power of the F-test. The approach is based upon two independent approximations—the first, a normalization of the non-central F distribution and the second, an integration of the normal distribution. Comparison of the calculated values of power with exact values revealed a high degree of accuracy.

Educational and Psychological Measurement, Vol. 36, No. 1, 165-168 (1976)
DOI: 10.1177/001316447603600116
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Home page
 Educational and Psychological MeasurementHome page
G. W. Milligan
A Computer Program for Calculating Power of the Chi-Square Test
Educational and Psychological Measurement, October 1, 1979; 39(3): 681 - 684.
[Abstract]