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…

A reanalysis of norm- and criterion-referenced achievement test data from Tennessee's Student Teacher Achievement Ration Project builds on research utilizing class size and student achievement as an independent and a dependent variable, respectively. The study examined patterns of achievement among minority and white students in small, regular,…