This study was designed to examine the predictive significance of different types and degrees of precocity in preschool children and to assess the effects of participation in a model preschool-kindergarten program operated in conjunction with the study. Extraordinary precocity is defined for this study as performance at the norm for children twice…

This interim report re-examines data on instrument suitability, comparability of groups, and adequacy of sample size in Year III of the process evaluation of Project Developmental Continuity (PDC) and offers preliminary recommendations concerning the feasibility of continuing the impact study. PDC is a Head Start demonstration program aimed at…

The orientation of this report is that of identifying educational projects which can be considered truly exemplary. The bulk of the report consists of a 23-step procedure for validating the effectiveness of educational programs using existing evaluation data. It is not intended as a guide for conducting evaluations but rather for interpreting data…