An evaluation of the national curriculum by practitioners suggests that learning materials across school levels still overlap, are irrelevant to student development phases and competencies required, too challenging for students to learn, too broad in terms of topics, and lacking in depth. This evaluation encourages the needs for special studies…

Compared the effects of constructivist instruction and instruction based on texts and demonstration on third-graders' conceptualization of force. Found that constructivist instruction was more effective. Patterns of reasoning related to force were identified in levels of conceptualization. (JPB)

Twenty-five eleventh grade classes were taught two social studies concepts, sovereignty and comparative advantage, using written or oral methods. Methods differed in their use and sequence of examples to explicate definitions. Finds using examples increased concept attainment. Suggests sequence was important for the more complex, relational…