A CATEGORY SYSTEM FOR THE DESCRIPTION AND ANALYSIS OF TEACHER-PUPIL INTERACTION IN HIGH SCHOOL BIOLOGY CLASSES WAS DEVELOPED. IN THE FIRST PHASE, A HETEROGENEOUS SAMPLE OF TEACHERS AND SCHOOLS WAS USED FOR OBSERVATION AND DEVELOPMENT OF THE CATEGORY SYSTEM. OBSERVATIONS WERE MADE OF LECTURE AND LABORATORY SESSIONS, VERBAL AND NONVERBAL CLASSROOM…

This article discusses the relationship between procedural and conceptual problem solving in a computer-supported collaborative learning (CSCL) environment designed within the field of science education. The contribution of this article, and our understanding of this phenomenon, is anchored in our socio-cultural interpretation, and that implies…

As a result of the Biological Sciences Curriculum Study (BSCS), instructional content and style were studied in six teachers teaching the concept of photosynthesis. The same BSCS curriculum program was used by all six teachers; all six had some previous BSCS training. The students in the six classes had been selected on the basis of high ability…