This article illustrates the use of an explanatory item response modeling (EIRM) approach in the context of measuring group differences in science achievement. The distinction between item response models and EIRMs, recently elaborated by De Boeck and Wilson (2004), is presented within the statistical framework of generalized linear mixed models.…

This report simultaneously examines alternative mobility decisions and changes in the demographic determinants of residential mobility over the period 1940-80. Alternative mobility decisions are defined as the choice to move locally, to migrate within a state, or to migrate between states. Determinants of mobility include age, race, sex, and…

This review of the literature addresses scientific and methodological concerns of research with children from various racial and ethnic backgrounds in the United States. It first identifies three major demographic trends: (1) the increasingly multiethnic and multilingual nature of American society; (2) the increasing number of children in poverty;…