An assessment-oriented design-based research model was applied to existing inquiry-oriented multimedia programs in astronomy, biology, and ecology. Building on emerging situative theories of assessment, the model extends prevailing views of formative assessment "for" learning by embedding "discursive" formative assessment more directly into the…

This study compares inservice (n=30) and preservice (n=30) earth and space science teachers on general mental abilities, content knowledge, Gagnean levels of content knowledge, and procedural knowledge in solving earth and space science problems. Results support Norman's theory of learning that inservice teachers function at the tuning mode of…

Discusses the benefits of five short science courses offered to middle school age children and their parents. Reports on the participants' reactions, two to three years after taking the courses, to the course experiences, the influence of the courses on learning behavior, and the relationship between the parents and their children. (TW)