This study compares two methods commonly used (concordance and prediction) to establish linkages between scores from tests of similar content given in different languages. Score linkages between the Verbal and Math sections of the SAT I and the corresponding sections of the Spanish-language admissions test, the Prueba de Aptitud Academica (PAA),…

The College Board's SAT[R] data are used to illustrate how the score equity assessment (SEA) can help inform the program about equatability. SEA is used to examine whether the content change(s) to the revised new SAT result in differential linking functions across gender groups. Results of population sensitivity analyses are reported on the…

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…

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The feasibility of using item response theory (IRT) as a psychometric model for the Graduate Record Examination (GRE) Aptitude Test was addressed by assessing the reasonableness of the assumptions of item response theory for GRE item types and examinee populations. Items from four forms and four administrations of the GRE Aptitude Test were…

Research on the potential effects of different item arrangement schemes on item statistics is reviewed for three separate periods. Earliest studies investigated the simple main effect of item order on test performance. The late 1960s emphasized interactions between item order and examinees' characteristics. Current concern focuses on item…

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…