The purpose of the study was to examine if there was a significant difference between first-grade English Learners (EL) who constitute a majority (greater than 50%) of the English language mainstream classroom (homogeneous grouping) and first-grade EL who constitute a minority (less than 50%) of the English language mainstream classrooms…

Holds that problems of implementation have resulted in the failure of large-scale intervention efforts to deal with cognitive deficits. Emphasizes technological, political, and cultural perspectives in innovation. Examines related models and programs in the United States and developing countries and shows that minimal requirements for their…