Describes a Camden (New Jersey) study that assessed the effects of student mobility and stability on achievement and examined interactions between the instructional program and student mobility. Results indicated direct instruction was as effective as traditional instruction that was aligned with a specific standardized test, and it produced…

This study attempts to detect the presence of either of 2 different categories of large-scale bias in 4 widely used mathematics achievement tests: induced bias and norming bias. Subjects were 407 eighth graders. (IAH)