Summary
Contents
Subject index
This new edition presents an up-to-date description of DIF; describes varying procedures for addressing DIF in practical testing contexts; presents useful examples and studies of DIF that readers may employ as a guide in their own DIF work; and briefly describes relevant features of major statistical packages that can be employed in DIF analysis (e.g., SPSS, SAS, M+, Minitab, and Systat).
IRT-Based Methods
IRT-Based Methods
This section describes developments in DIF methods based on IRT (see Hambleton & Swaminathan, 1985; Hambleton, Swaminathan, & Rogers, 1991; Lord & Novick, 1968; Osterlind, 2006). We do not describe all aspects of IRT, as our focus here is on explaining only fundamental concepts ...
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