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Table 1 Median ratings for courses by academic year and mann whitney u tests comparing academic years to the pre-intensive course review perioda

From: Making medical student course evaluations meaningful: implementation of an intensive course review protocol

Academic Year Enrolled Pre-clerkship studentsc Median rating (interquartile range) P-value Effect size (η2) U score Z score R score
2006/07b 120 3.50 (3.20, 4.00) - - - - -
2007/08 120 3.50 (3.30, 3.70) 0.614 NS NS NS NS
2008/09 124 4.10 (3.80, 4.30) <0.001 0.222 200.0 −3.705 0.676
2009/10 128 4.15 (3.70, 4.30) 0.001 0.246 221.5 −3.386 0.618
2010/11 128 4.00 (3.80, 4.20) 0.004 0.283 255.0 −2.890 0.528
  1. aMann Whitney U, compared to 2006/07
  2. bPre-Intensive Course Review Protocol
  3. cBased on enrollment data [15]