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This paper described one part of an item response theory (IRT) feasibility study performed for the Aptitude Test portion of the Graduate Record Examinations (GRE). The dimensionality of the GRE verbal and analytical sections is discussed. The results of six different types of equating of the verbal section and four different types of equating of…
Descriptors: Aptitude Tests, College Entrance Examinations, Equated Scores, Higher Education
Download full textDorans, Neil J.; Kulick, Edward – 1985
A visual display is introduced that enables one to compare the predictive validities of all possible non-negatively weighted sums of two predictors. This two-predictor validity curve assesses the level of predictability of a criterion from composites of two predictors. Derivations are presented for the general case. For illustrative purposes, the…
Descriptors: Aptitude Tests, Correlation, Display Aids, Graphs
