Analyzes the meaning of Piaget's concept of abstraction and provides discussion of some of its shortcomings. (HM)

Explains cognitive basis for change in science paradigms using Watson-Crick DNA model to illustrate concepts of "normal" versus "revolutionary" science. Examines these concepts in light of teacher preception of science, and discusses implications for the practice of science education. (JM)

In the new biology-learning curriculum for Israeli high schools, known as Biomind, students experience "open-inquiry." This paper describes a qualitative action research project that was performed in order to investigate the characteristics of the open inquiry learning process. Specifically, the research investigates this process in…

Investigated were students' beliefs about the tentativeness of scientific knowledge, various sources of students' beliefs as well as those factors that have altered students' beliefs about science, and the implications of students' beliefs for daily personal and societal decisions. The research methodology and instructional implications are…

Argues that the failure of modern courses to achieve their declared goals in relation to children's understanding of science has two causes, namely teachers views about the nature of science, and a degree of confusion in the philosophical stance implicit in many science curricula. Presents a philosophical model for curricula. (CW)