Discussed is the conceptualization, development, and formative evaluation of a series of science education videodiscs. The formative data indicated that videodisc programs can enhance the effectiveness of teachers and substantively impact student achievement and attitudes. (Author/CW)

To promote large-scale science education reform, developers must create innovations that teachers can use to learn and enact new practices. As part of an urban systemic reform effort, science materials were designed to reflect desired reforms and to support teacher thinking by addressing necessary content, pedagogy, and pedagogical content…

Teaching strategies associated with a conceptual change model of science teaching were examined in a study of seventh-grade life science teachers (n=13). Greater use of conceptual change teaching strategies was associated with use of the special instructional materials, not with the training. Students in classes where teachers were provided with…

Presents a qualitative analysis of an episode from a beginning teacher's biology lesson to demonstrate the intricate relationships among teacher intentions, curriculum materials, teaching, and potential student outcomes. Develops the concept "epistemological flatness" as a way of characterizing salient aspects of curriculum materials and…