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Table 7 Knowledge change in medical education critical appraisal skills. Results of the retrospective pre-post (post-then-pre) knowledge level about topics related to medical education literature critical appraisal skills (n = 21)

From: Eight years’ experience with a Medical Education Journal Club in Mexico: a quasi-experimental one-group study

Topics Pre median (IQR) Post median (IQR) Effect size (Cohen’s r)
Critical appraisal of medical education articles 5 (4) 8 (2)* 0.84
Databases and sources of information relevant to medical education 5 (4) 9 (2) 0.86
Systematic reviews in medical education 5 (5) 8 (3) 0.80
Evidence-based medical education 6 (4) 8 (3) 0.78
Research design in medical education 4 (4) 8 (3) 0.82
Qualitative research in medical education 5 (4) 8 (4) 0.78
Statistical methods in education research 6 (6) 8 (4) 0.79
Assessment methods in medical education 6 (4) 8 (2) 0.84
Validity and reliability in assessment 5 (5) 8 (2) 0.76
  1. Scale from 0 = minimum to 10 = maximum
  2. *All pre-post comparisons using Wilcoxon signed-rank test were statistically significant with p < 0.001
  3. IQR = interquartile range