This paper focuses on the relationship between teachers'epistemology and their conceptions of teaching and learning, based on a study carried out for two years. Such a study followed up the development of three teachers' conceptions who, after attending an 80-hour course in conceptual change, taught a course for another teachers. Although radical changes have not been noticed in those teachers' conceptions, a significant evolution could be found. Results suggest that teachers have evolved from different starting points, thus reaching distinct levels. Changes that have taken place seem to follow an evolutionary pattern by keeping substantial elements of the old conception while gradually adding elements of the new one. We have not found any evident correlations between those teachers' conceptions of the nature of science and their conceptions of teaching and learning
Conceptual change; Teachers' epistemology; Teachers' conceptions