This investigation examines the impact the l98l Graduate Record Examination (GRE) General Test Format Revision had on the stability over time of the verbal, quantitative, and analytical scores. Scores were used from the self-selected group of repeaters who took the GRE General Test twice between October 1980 and June 1982. Examinees were divided…

When the three-parameter logistic model and item response theory are used to analyze Graduate Management Admission Test (GMAT) data, there are problems with the assumption of unidimensionality. Linear factor analytic models, exploratory factor analysis programs, and the comparison of item parameter estimates for heterogeneous and homogeneous…

A necessary prerequisite to the operational use of item response theory (IRT) in any testing program is the investigation of the feasibility of such an approach. This report presents the results of such research for the Graduate Management Admission Test (GMAT). Despite the fact that GMAT data appear to violate a basic assumption of the…