The most clear-cut case of test bias is shown when the regression lines for two groups have ____ slopes and ____ intercepts.
A)the same; different
B)parallel; different
C)the same; the same
D)different; different

Question

Quizplus · Accepted Answer

Different slopes and different intercepts in regression lines for two groups indicate a clear-cut case of test bias because it shows that the relationship between the predictor and the outcome variable differs between the groups, not just in terms of level (intercept) but also in the nature of the relationship (slope).

The Most Clear-Cut Case of Test Bias Is Shown When