This competency-based teacher education cognitive development module consists of a curriculum building component. Enabling elements of the module encompass writing behavioral objectives, classifying objectives by criteria type, designing flow charts, developing assessment procedures, specifying enabling activities, and outlining module and…

This research assessed Australian high school students' understanding of light, developed materials to conceptual change with respect to the concept, and evaluated the effectiveness of teaching strategies utilizing the materials. After instruction, students were able to construct significantly more scientifically acceptable answers. An appendix…