The researcher conducted a nonexperimental study to investigate and analyze the influence of reduced class sizes, intensity (all day and every day), duration (five years), and heterogeneity (random class assignment) on the Head Start Fade effect. The researcher employed retrospective data analysis using a longitudinal explanatory design on data…

This paper compares the achievement of first and second grade students in reduced size classrooms with the achievement of previous groups taught in larger classrooms in a Mississippi community. It also examines a longitudinal class size effect through the analysis of student achievement for two years. The subjects involved in the study were 371…

Examines second and third grade data from Project STAR, a reduced class size study. Observers viewed teachers, some of whom received inservice training on effective teaching and class type. Observers' narratives and ratings of class activities and interaction indicated little change in teaching practices regardless of class type or training. (SM)