The purpose of this study was to examine the feasibility of using item response theory (IRT) methods to equate different forms of three College Board Achievement Tests (Biology, American History and Social Studies, and Mathematics Level II) and one Graduate Record Examinations Achievement Test (Advanced Biology), rather than conventional or…

This paper examined test scores and information about test takers collected from the Graduate Record Examination (GRE) national test administration files, GRE validity study data provided by institutional users, and survey questionnaires sent to test repeaters. Data were collected from 200,000 men and women who took the GRE General Test in June…