Self-explanation in learning clinical reasoning: the added value of examples and prompts  

Oleh:

Chamberland, Martine ; Mamede, Silvia ; St-Onge, Christina ; Setrakian, Jean

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Medical Education vol. 49 no. 02 (Feb. 2015), page 193-202.
Topik: self explanation; medical students; diagnostic performance; prompts; clinical cases

Ketersediaan

Perpustakaan FK Nomor Panggil: M34.K Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Context Recent studies suggest that self-explanation (SE) while diagnosing cases fosters the development of clinical reasoning in medical students; however, the conditions that optimise the impact of SE remain unknown. The example-based learning framework justifies an exploration of students’ use of their own SEs combined with the study of examples. This study aimed to assess the impact on medical students’ diagnostic performance of: (i) combining students’ SEs with their listening to examples of residents’ SEs, and (ii) the addition of prompts (specific questions) while working with examples. Methods This study consisted of a training phase and an assessment phase conducted 1 week later. In the training phase, 54 Year 3 medical students were randomly assigned to one of three groups. In all groups, students first solved four clinical cases using SE. Subsequently, Group 1 listened to examples of residents’ SEs with prompts; Group 2 listened to examples of residents’ SEs without prompts, and the control group solved word puzzles. Then, all students again solved the same four cases. One week later, all students solved four similar and four different cases. Students’ diagnostic performance and diagnostic accuracy scores were assessed for each case at each time-point. Results Although all groups’ diagnostic accuracy scores on similar cases improved significantly between the training and the assessment phase, Group 1 showed a significantly higher diagnostic performance score after 1 week than the control group (p = 0.037). On different cases, Group 1 obtained significantly higher diagnostic accuracy (p = 0.011) and diagnostic performance (p < 0.001) scores than the control group and a significantly higher diagnostic performance score than Group 2 (p = 0.018). Conclusions Self-explanation seems to be an effective technique to help medical students learn clinical reasoning. Its impact is increased significantly by combining it with examples of residents’ SEs and prompts. Although students’ exposure to examples of clinical reasoning is important, their ‘active processing’ of these examples appears to be critical to their learning from them.

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