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Elaboration during problem-based group discussion: effects on recall for high and low ability students
Floris M Van Blankenstein1, Diana H J M Dolmans, Cees P M Van der Vleuten
1Department of Educational Research and Development, Maastricht University, P.O. Box 616, 6200 MD, Maastricht, The Netherlands, f.vanblankenstein@gmail.com.
Elaborative questions in problem-based learning discussions did not improve student recall of new information. Student ability influenced recall, but not the effectiveness of elaborative questioning techniques.
Area of Science:
- Cognitive Psychology
- Educational Psychology
- Learning Sciences
Background:
- Elaboration is frequently studied, but its benefits in problem-based learning (PBL) are not well-established.
- Effective learning strategies in PBL require further investigation.
Purpose of the Study:
- To investigate the effect of elaboration during problem-based discussions on subsequent recall.
- To determine if elaborative questioning by a tutor impacts learning outcomes in a PBL context.
Main Methods:
- A controlled experiment involved 67 students observing a video-recorded PBL discussion.
- Participants were exposed to either elaborative or superficial questions from a tutor.
- Recall of information from a subsequent text was measured for all participants.
Main Results:
- Elaborative questions showed no significant effect on the recall of idea units from the text (p = .39).
- Higher-ability students demonstrated better recall than lower-ability students (p = .04).
- No significant interaction was found between student ability and the type of questioning used (p = .22).
Conclusions:
- Elaboration during PBL discussions, as prompted by tutor questions, does not appear to enhance recall of new information.
- Student's prior ability is a significant factor in recall, independent of the questioning strategy employed.
- Further research is needed to explore factors influencing effective elaboration in problem-based learning.
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