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Whitney, Douglas R.; And Others – 1985
This research brief summarizes the available reliability and validity data available in, but spread throughout, a number of General Educational Development (GED) Testing Service publications. A section on reliability discusses how to determine reliability of a test's scores and two ways of assessing the reliability of a test--internal consistency…
Descriptors: Adult Education, High School Equivalency Programs, Item Analysis, Scores
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
