We are using differential item functioning to study potential bias in test items. We contrast performance in a minority group and a majority group. What technical term do we use to designate the minority group?

Question

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The technical term used to designate the minority group in differential item functioning studies is "Focal" group. This term is used to identify the specific group under investigation for potential bias in test items, in contrast to the "Reference" group, which typically represents the majority or the norm group.

We Are Using Differential Item Functioning to Study Potential Bias