Describes action research on the efficacy of problem-based learning using a hermeneutic dialectic methodology. Focuses on the emergence of students' critical-thinking skills, the relevance of science concepts taught, the interdisciplinary nature of the problems addressed, and the changing roles of the teacher and students. Reports that the course…

Compares models of the classroom dynamics for a traditional laboratory setting and a problem-solving-centered environment, both at the eighth grade science level. Descriptive data indicate no differences in the models, whereas path analyses suggest that, in the problem-solving model, student behaviors significantly correlate to lesson structure,…

Describes the conversion of a conventional didactic course in dental anatomy at the University of Queensland (Australia) into a course in problem-based learning and the resulting effects on learners' autonomy over the first three years of the new course, noting the extent of achievement of course goals, student achievement, and learning style…