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 findings of seven studies dealing with how teacher behavior affects student performance in activity-centered science classrooms at the elementary and junior high school levels. Concludes that activity-centered classrooms encourage student creativity in problem solving, student independence, and help low ability students overcome initial…