The importance of item difficulty (equated delta) was explored as a predictor of differential item functioning of Black versus White examinees for 4 verbal item types using 13 Graduate Record Examination forms and 11 Scholastic Aptitude Test forms. Several significant racial differences were found. (TJH)

The decline in Scholastic Aptitude Test (SAT) scores is a direct result of lower average performance on equating questions that are reused over a period of several years. Therefore, it is important to examine the content of representative questions, used over time, for possible obsolescence. Two panels, one concentrating on the verbal section of…

The relationship of differential item functioning (DIF) to item difficulty on the Scholastic Aptitude Test (SAT) was examined, based on data from nine recent administrations of the test from June 1986 through December 1987. This pool of information includes item statistics on 765 verbal and 540 mathematical items computed for subgroups of White,…

This review of research studies focused on differences between Hispanic-American and White, non-Hispanic groups on the Scholastic Aptitude Test (SAT). Questions studied were the factors associated with ethnic group mean differences on the SAT; the types of item format or content found differentially easier or more difficult for Hispanics; the…