Cohen’s \( f^2 \) Effect Size Calculator
In multiple regression, Cohen’s \( f^2 \) is calculated as: $$ f^2=\frac{R^2}{1-R^2}. $$
* Enter the \( R^2 \) value from your regression model (must be between 0 and 1).
Step 1: Enter Regression \( R^2 \)
e.g., 0.30
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