Effect Size Measures
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ANALYSISEFFECT SIZESMALLMEDIUMLARGESPSSJASPG*PowerNOTES
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Chi-Square Independence TestCohen's W0.10.30.5NNYRules of thumb proposed by Cohen (1988)
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Chi-Square Independence TestContingency Coefficient0.10.290.45YYNRules of thumb based on Cohen's W
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Chi-Square Independence TestCramér's V---YYN
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Chi-Square Goodness-of-Fit TestCohen's W0.10.30.5NNYRules of thumb proposed by Cohen (1988)
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Independent Samples T-TestCohen's D0.20.50.8NNYRules of thumb proposed by Cohen (1988)
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Independent Samples T-TestRpb - Point-Biserial Correlation0.10.240.37YYYRules of thumb based on Cohen's D
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Paired Samples T-TestCohen's D0.20.50.8NNYRules of thumb proposed by Cohen (1988)
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One-Sample T-TestCohen's D0.20.50.8NNYRules of thumb proposed by Cohen (1988)
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Pearson CorrelationR - Correlation0.10.30.5YYYRules of thumb proposed by Cohen (1988)
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ANOVAω² - Omega Squared0.010.060.14NYNRules of thumb proposed by Field (2013)
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ANOVAη² - (Partial) Eta Squared0.010.060.14YYNRules of thumb based on Cohen's F
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ANOVACohen's F0.10.250.4NNYRules of thumb proposed by Cohen (1988)
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Linear Regression - Entire ModelModel R² - R Squared0.020.130.26NNYRules of thumb based on F²
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Linear Regression - Entire ModelModel F² - F Squared0.020.150.35NNYRules of thumb proposed by Cohen (1988)
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Linear Regression - Individual Predictor
Predictor R²sp - Squared Semipartial ("Part") Correlation
0.020.130.26NNYRules of thumb based on F²
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Linear Regression - Individual Predictor
Predictor F² - F Squared0.020.150.35NNYRules of thumb proposed by Cohen (1988)
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From: Effect Size - A Quick Guide
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