Our purpose was to examine different approaches to modeling the time-varying nature of exceptionality classification. Using longitudinal data from one state's mathematics achievement test for 28,829 students in Grades 3 to 8, we describe the reclassification rate within special education and between general and special education, and compare four…

This article assessed the measurement in variance of the Adolescent Student Burnout Inventory (ASBI) across gender and educational track, and investigated the main and interaction effects of gender and educational track on the facets of student burnout with a sample consisting of 2,216 adolescent students from China. Multigroup confirmatory factor…

The nine-factor productivity model of science achievement of H. J. Walberg (1981) was tested through structural equation modeling using national longitudinal data on middle-school seventh grade students' science achievement (n=3,116). The better fit provided by a revised model with eight factors is discussed, and implications for educational…