Presented is a review and synthesis of research in science education conducted with students in grades 6 through 12 during the years 1964-78. In the meta-analysis process, eight constructs linked to learning outcomes were used as the theoretical constructs for the literature selection. The constructs include quality and quantity of instruction;…

Performance data for 42 subjects pertaining to seven course objectives and ten propositional logic tasks were analyzed for hierarchical relationships using ordering theoretic technique. The resulting hierarchy indicated that simple implication and particular contraposition propositional logic tasks were prerequisite to some course objectives. This…