Describes dilemma discussion approach used in 10-session program, based largely on cognitive-developmental theory, that is aimed at helping middle school students progress in their reasoning about using drugs. Ways in which the program provides students with opportunities to examine their current reasoning on drug use, consider peer perspectives,…

Describes how an inquiry-based science project on the life cycle of butterflies provided a developmentally appropriate learning experience in a first and second grade multiage classroom. Maintains that the critical exchange of ideas among students made students' thinking available for inspection, and allowed students to use their talk as a tool…

The postgraduate Teacher Thinking Seminar (TTS) was created to explore the implications of constructivist theory for teachers' education and development. Using participants' own practical knowledge, the main strategy was the dialectical process of group reflection. The article elaborates four seminar examples, suggesting that TTS can effectively…

This paper criticizes traditional methods of science teaching for decreasing student interest in studying science. It describes cooperative learning and its usefulness in teaching biology so that the study of science becomes a social experience. The paper presents two methods used in biology lecture classes: the Introductory (Icebreaker) Workshop…