A British observational study of science classroom interactions was replicated in Atlantic Canada with 33 teacher-class units. Comparison of results revealed a less practical approach to science teaching in the Canadian classrooms, with greater emphasis on the informational aspects of science and convergent, problem-solving activities. (Editor/SJL)

Describes the interactions of high school girls and boys during coeducational science lessons. Analyses of the audiovideo recordings of 144 lessons taught by 12 male teachers indicate that girls were more likely to initiate classroom discourse. Findings did not support the hypothesis that gender disparity in science achievement in favor of boys…

This study quantified possible changes in the classroom learning experiences of high- and low-ability pupils, which might accompany an organizational change from streamed to mixed-ability classes for science learning in secondary schools. Deteriorations in the quality of the classroom interactions of both high- and low-ability pupils were found.…