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An Investigation of the Interaction between Item Content and Group Membership on the Tests of General Educational Development.
Harnisch, Delwyn L. – 1983
The purpose of this investigation was to examine the item characteristics of the General Educational Development Tests (GED) for specific subgroups of students. The method employed was the approach suggested by Linn and Harnisch in which the three-parameter logistic model is used for detecting interactions between item content and group…
Descriptors: Aptitude Treatment Interaction, Equivalency Tests, High School Equivalency Programs, Item Analysis