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Download full textKolen, Michael J.; Whitney, Douglas R. – 1981
Procedures used to compare the results from item response theory as well as more traditional equating methods were described and critically analyzed. The implications of the comparison of equipercentile, linear, one-parameter (Rasch), and three-parameter methods for equating twelve forms of each of the five tests of General Educational Development…
Descriptors: Adults, Equated Scores, Equivalency Tests, Factor Analysis
