For more than four decades the National Assessment of Educational Progress (NAEP) has tracked the achievement of U.S. students in major academic subjects. This national resource is the only assessment that states and now many urban districts can look to as an objective yardstick of their performance over time, relative to national benchmarks, and…

The Abt Associates' final report on the Follow-Through Planned Variation Experiment is defended against the critique published by a blue ribbon panel funded by the Ford Foundation. In contrast to the conclusions drawn by House, Glass, McLean, and Walker that Follow Through showed no "winners" or "losers", the National…

Offered in response to a request by the National Science Foundation for information on how knowledge affects policy, the document investigates federal support of social research and development and evaluates the relevance of this research to social policy. Social research and development (R & D) concerns the identification and solution of…