The Science Curriculum Improvement Study program is meeting its own objectives. There were significant differences between cognitive performance of SCIS and control classes related to materials studied. (AL)

Cites 124 references to science education research literature and summarizes research on instruction, curriculum, teacher education, developmental studies, teacher characteristics, and instrument development. (AL)

Four types of proportionality problems were administered to: (1) secondary school students who were enrolled in Project Physics, and (2) students not enrolled in physics. Both samples were randomly selected. Groups were not found to differ significantly in problem solving ability but both revealed that the ability to solve certain problems was…

Compared is an inquiry-oriented Biological Sciences Curriculum Study (BSCS) style laboratory approach with a more directive traditional approach on student outcomes in the cognitive and affective domains of learning. Differences in science achievement, reasoning ability, attitude, and stages of development are discussed. (KR)