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Table 2 Changes in pre-test and post-test scores of the self-assessment questionnaires grouped under the CanMEDS roles

From: Introducing global health into the undergraduate medical school curriculum using an e-learning program: a mixed method pilot study

Role Pre-test Post-test df t Cohen’s d Difference
Mean score SD Mean score SD
Communicator 4.82 .65 4.97 .68 58 −1.53 0.20 Small
Collaborator 6.19 .78 6.31 .74 58 −.85 0.11 Small
Health advocate 4.84 .76 5.21 .74 56 −3.35* 0.44 Small
Medical professional 5.14 .70 5.42 .68 57 −2.94* 0.41 Small
Scholar 4.60 1.38 4.85 1.19 58 −1.87* 0.24 Small
Manager 4.76 1.13 5.29 1.03 57 −3.18* 0.44 Small
Medical expert 5.70 1.02 6.08 .70 58 −3.16* 0.41 Small
  1. Standardized Effect Sizes, Cohen’s d, = post-score minus pre-score, divided by the standard deviation of pre and post-scores (combined). Qualitative differences: “Large” = values of ≥0.8; “Moderate” = values between 0.50 and 0.79; “Small” = values below 0.50
  2. *p < .05