Highlights a quantitative synthesis of research studies on Elementary Science Study, Science Curriculum Improvement Study, and Science A Process Approach, focusing on student performance/achievement, attitudes, process skills, and basic skills. Suggests that activities and instructional strategies from the programs be incorporated into existing…

Summarizes results of the meta-analysis of 105 research studies dealing with effects of new science curricula on student performance. Twenty-seven different new science curricula involving one or more measures of student performance were included in the analysis. Positive performance patterns were found in all new curricula examined. (JN)