This study attempted to determine if significant and lasting cognitive gains could be achieved by focusing preschool efforts upon children younger than those now being serviced by traditional programs--children under three years of age. Thirty-six disadvantaged children, 19-28 months of age, were randomly assigned to two groups: a Home Group…

The purposes of this study were to determine (1) the long-range effectiveness on children's cognitive and affective development of 1, 2, and 3 years of the Central Cities Early Childhood Education Program; (2) how long preschool intervention must be continued to significantly alleviate special problems of disadvantaged children; and (3) the…