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Dorans, 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
Brasel, Michael D. – 1991
An analysis and summary are presented of the 1989-90 test results of New Mexico students on the Enhanced American College Testing Program (Enhanced ACT) and the Scholastic Aptitude Test (SAT). Data were provided by the American College Testing Program, the Educational Testing Service, and the New Mexico High School Graduates Survey. The Enhanced…
Descriptors: Achievement Gains, Achievement Tests, College Entrance Examinations, Comparative Analysis