cohens_q {ClinSigMeasures}

Cohen's q Calculation

Description

Calculates Cohen's q for the effect size of the difference between two correlation values

Usage

cohens_q(corr1, corr2)

Arguments

corr1

Correlation for First Group

corr2

Correlation for Second Group

Value

A single value representing Cohen's q

Author(s)

Mike Malek-Ahmadi

References

1. Cohen, Jacob (1988). Statistical Power Analysis for the Behavioral Sciences. Routledge. ISBN 978-1-134-74270-7.

2. Yang G, Li D, Rao Y, Lu F. The relationship between cortical thickness and language comprehension varies with sex in healthy young adults: a large sample analysis. Neuroreport 2020;31(2):184-188.

Examples

#From Yang et al (2020), Cohen's q for the difference between female and male correlation
#values for vocabulary comprehension and cortical thickness.

cohens_q (0.318, 0.174)