The development of rich, reliable, and robust measures of the composition, structure, and stability of student thinking about core scientific ideas (such as natural selection) remains a complex challenge facing science educators. In their recent article (Nehm & Schonfeld 2008), the authors explored the strengths, weaknesses, and insights provided…

The effects of full-credit semester and all-year timetables on science attitudes and science achievement of grade 10 students was investigated. Findings indicated that students in all-year courses consistently outperformed students in semester courses in the cognitive domain, but there were no differences in the affective domain. (CW)

Traces the development of an open-ended instrument, the Views of Nature of Science Questionnaire (VNOS), and outlines the nature of science framework that underlies the development of the VNOS. (Contains 63 references.) (DDR)

Presents a study that investigated relationships between gender, interest, and experience in electricity. Also explored the effect of conceptual change text manipulations on learning fundamental concepts of direct current. Suggests that conceptual change text manipulations are likely to be effective for both men and women. Contains 57 references.…

Investigated if relationships existed between middle school students (N=105) science concept structure interrelatedness competence and their time on task, science achievement, scholastic aptitude, previous experience with concept structure interrelatedness, attitudes toward science, interest in science, science curiosity, and self-concept of…