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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
George-Ezzelle, Carol E.; Skaggs, Gary – GED Testing Service, 2004
Current testing standards call for test developers to provide evidence that testing procedures and test scores, and the inferences made based on the test scores, show evidence of validity and are comparable across subpopulations (American Educational Research Association [AERA], American Psychological Association [APA], & National Council on…
Descriptors: Scheduling, Testing Accommodations, Academic Achievement, Test Validity