W. A. M. Alwis

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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)
Setting 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(More)
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