Knowledge concerning continuously improving branches of science such as biotechnology in particular is difficult to be understood properly by students, or they learn it incorrectly. One of the most important reasons for this is that students cannot associate in their mind the relevant concepts. The aim of this research is to determine prospective…

This paper recognizes current interest in "the practical," particularly in research on teaching, and it explores similarities or distinctions between underlying conceptions of the practical across several programs, research projects, and scholarly reflections on teaching. Following an introduction, the paper reviews three research…

Explores high school students' and preservice teachers' knowledge of light, vision, and related topics before and after commonly practiced instruction. Suggests a hierarchical structure to represent the collective conceptual knowledge of students and teachers in terms of facets and schemes of knowledge. Makes suggestions for designing instruction…

This study examined the subject-pedagogical content knowledge transformation process associated with middle school physical education teachers' curricular decision making. Findings indicated that teachers shared a common subject content knowledge base but demonstrated personalized pedagogical content knowledge repertoires. Classroom curriculum was…