This publication continues the descriptions of the cognitive, psychomotor, and socioemotional measures used in all years of the Head Start Planned Variation Evaluation study. Included is a detailed examination of each measure, a discussion of the theory behind it, and a review of the available data on the measure's reliability, validity and other…

This publication, the first of two volumes, describes the cognitive, psychomotor, and socioemotional measures used in all years of the Head Start Planned Variation Evaluation. Part I discusses generally the issues involved in evaluating the quality of the data, and summarizes findings. Part II contains technical reports on 12 of the individual…