Statistical Power Analysis for the Behavioral Sciences |
Contents
The Concepts of Power Analysis | 1 |
The t Test for Means | 72 |
1 | 78 |
Copyright | |
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៩៩៩៩ ៩៩៩៩៩ a₁ a₂ alternate hypothesis analysis of covariance analysis of variance approximation Assume behavioral science cell Chapter coefficient Cohen & Cohen column f computed contingency tables correlation defined denominator df desired power detect determine difference effect size equal error experiment experimental F test factorial design formula given greater than 995 H₁ Illustrative Examples implies interaction investigator linear interpolation main effects n₁ nondirectional normally distributed Note null hypothesis operational definitions P₁ P₂ pairs point are greater population means Power 05 power analysis Power of F power tables power values procedure proportion psychologist r₁ rejecting the null relationship row power sample size tables Section significance criterion significance test specifications standard deviation statistical subtable of Table tion value of f variables variance accounted within-population wwww wwwww x2 test yield z transformation zero بلو جلها