Reports on a study of elementary and middle school students' (n=254) intentions to perform science learning activities. Finds that students value different sources of information and support relative to their intention to engage in science learning activities. Contains 40 references. (Author/WRM)

This was an experiment to test the extended discretion laboratory approach versus a guided-inquiry approach for teaching biology in a university setting. Among three criterion variables (examination, reports, and quizzes), only the laboratory report scores showed differences between groups and group-by-instructor interaction. (Author/YP)

Examines the role of practical activities in secondary science from an international perspective and contrasts this to a developing country's perspective. Discusses research studies on training teachers to include physics practical work in Indonesia and the benefits and constraints of implementing practical work in physics classrooms. Contains 37…

Discusses preliminary research on a new heuristic tool for learning from laboratory activities in secondary science. Finds that use of the science writing heuristic facilitated students in generating meaning from data; making connections among procedures, data, evidence, and claims; and engaging in metacognition. (Contains 29 references.)…