Previous research on calculator use in standardized assessments of quantitative ability focused on the effect of calculator availability on item difficulty and on whether test developers can predict these effects. With the introduction of an on-screen calculator on the Quantitative Reasoning measure of the "GRE"® revised General Test, it…

Three polytomous DIF detection techniques--the Mantel test, logistic regression, and polySTAND--were used to identify GRE® Analytical Writing prompts ("Issue" and "Argument") that are differentially difficult for (a) female test takers; (b) African American, Asian, and Hispanic test takers; and (c) test takers whose strongest…