This investigation evaluated a group of 20 8-month to 2-year-old culturally disadvantaged children who were given a 1-year structured educational program as a means of environmental intervention. The program involved language training, conceptual training, and sensory-motor training. The study is the first phase of a longitudinal study to…

To determine the relative effectiveness of different methods of preschool educational intervention for disadvantaged children, comparisons were made of five programs whose levels of structure ranged from the traditional nursery school to a highly structured preschool. Subjects were 79 4-year-olds representing a wide range of ability levels.…

This paper reviews the concept of parent involvement in preschool intervention programs and presents experimental data relevant to the effectiveness of several preschool and home-based teaching programs for economically disadvantaged children. The range of current assumptions about parents is summarized as: (1) parents need to be taught how to be…