When the regression lines that predict performance for two groups have different slopes, which one of the following types of measurement bias is likely to occur?
A) single-group validity
B) differential validity
C) culture bias
D) method bias

Question

Quizplus · Accepted Answer

Differential validity occurs when a measure has different predictive validity for different groups, such as when the regression lines predicting performance for two groups have different slopes. This indicates that the measure may be biased in favor of one group over the other, leading to differential predictions of performance.

When the Regression Lines That Predict Performance for Two Groups