This article reports a systematic review of research on science programs in grades 6-12. Twenty-one studies met inclusion criteria including use of randomized or quasi-experimental assignment to conditions, measures that assess content emphasized equally in experimental and control groups, and a duration of at least 12 weeks. Programs fell into…

Investigated various factors related to a project designed to increase scientific literacy of two age groups by simultaneously exposing middle school children and their parents to short science courses. Findings, among others, show that parents and children made significant gains in learning and that they found the experience enjoyable and…

Evaluated attainment of Nigerian Primary Education Improvement Program's objectives in terms of students' ability to practice process skills, their interest, active participation in and understanding of science lessons, and the availability of materials and ease of preparing and teaching the lessons for teachers. (Author/SK)