Findings of current research on children in day care and theory-based early intervention programs are summarized in the two sections of this report. Section 1 provides findings on children's development, different kinds of day care, and children's socialization. Findings related to Piagetian, Montessori, and other intervention program models, as well as results of program evaluations, are given in Section 2. The pages of the summary are organized in columns: the first column lists the findings, the second lists bibliographic information, and the third provides interpretation of the findings. (RH)