An historical analysis of early intervention efficacy research documents the need for longitudinal studies of early intervention with handicapped children. Sixteen such studies were recently funded by the U.S. Department of Education. The article describes the issues they will address, discusses their design characteristics, and summarizes their…

Briefly describes the characteristics of video games and discusses some advantages and disadvantages of their use to measure individual abilities. Relevant research is cited in the areas of stabilization with practice, predictive testing, performance testing, testing under extreme conditions, testing brain-injured persons, and differential…