An I/O psychologist finds that 20% of the variance in a criterion is accounted for by the predictor. This value represents the:

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The coefficient of determination, also known as R-squared, represents the proportion of variance in the criterion that can be explained by the predictor. Therefore, a value of 0.20 indicates that 20% of the variance in the criterion is accounted for by the predictor. This is not the same as the validity coefficient (A) or validity correlation (B), which represent the strength and direction of the relationship between predictor and criterion. The criteria coefficient (D) is not a commonly used term in the field of I/O psychology.

An I/O Psychologist Finds That 20% of the Variance in a Criterion