W. A. M. Alwis

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Problem-based learning (PBL) as a method of instruction in the health sciences has attracted considerable attention over the years (Barrows 1996; Colliver 2000; Norman 2002). Research in this field has predominantly focused on curriculum comparisons between PBL and more conventional instructional methods, with only limited interest in what happens to the(More)
The purpose of this study was to investigate the stability of three distinct tutor behaviors (1) use of subject-matter expertise, (2) social congruence and (3) cognitive congruence, in a problem-based learning (PBL) environment. The data comprised the input from 16,047 different students to a survey of 762 tutors administered in three consecutive semesters.(More)
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