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Logo of bmcmeduBioMed Centralsearchsubmit a manuscriptregisterthis articleBMC Medical Education
 
BMC Med Educ. 2009; 9: 55.
Published online 2009 August 25. doi:  10.1186/1472-6920-9-55
PMCID: PMC2739196

Involvement in teaching improves learning in medical students: a randomized cross-over study

Abstract

Background

Peer-assisted learning has many purported benefits including preparing students as educators, improving communication skills and reducing faculty teaching burden. But comparatively little is known about the effects of teaching on learning outcomes of peer educators in medical education.

Methods

One hundred and thirty-five first year medical students were randomly allocated to 11 small groups for the Gastroenterology/Hematology Course at the University of Calgary. For each of 22 sessions, two students were randomly selected from each group to be peer educators. Students were surveyed to estimate time spent preparing as peer educator versus group member. Students completed an end-of-course 94 question multiple choice exam. A paired t-test was used to compare performance on clinical presentations for which students were peer educators to those for which they were not.

Results

Preparation time increased from a mean (SD) of 36 (33) minutes baseline to 99 (60) minutes when peer educators (Cohen's d = 1.3; p < 0.001). The mean score (SD) for clinical presentations in which students were peer educators was 80.7% (11.8) compared to77.6% (6.9) for those which they were not (d = 0.33; p < 0.01).

Conclusion

Our results suggest that involvement in teaching small group sessions improves medical students' knowledge acquisition and retention.


Articles from BMC Medical Education are provided here courtesy of BioMed Central