Table 3 Mean grades for 1st-year CU based on whether students’ secondary school highly inflated their internal grades in the year of students’ admission to medical school
Year of admission to | Schools that highly inflate internal grades (A) | Other schools (B) | Mean difference (A-B) | Cohen’s d | p-value | ||
|---|---|---|---|---|---|---|---|
Medical school | N | Mean (SD) | N | Mean (SD) | |||
2009 | 105 | 12.8 (1.3) | 116 | 13.3 (1.2) | −0.5 | 0.40 | 0.002 |
2010 | 102 | 12.9 (1.2) | 119 | 13.2 (1.3) | −0.3 | 0.24 | 0.089 |
2011 | 90 | 12.7 (0.9) | 118 | 13.0 (1.1) | −0.3 | 0.30 | 0.049 |
2012 | 106 | 12.7 (1.2) | 108 | 13.5 (1.5) | −0.8 | 0.60 | < 0.001 |
2013 | 104 | 12.8 (1.1) | 98 | 13.3 (1.3) | −0.5 | 0.42 | 0.004 |
2014 | 111 | 13.2 (1.2) | 86 | 13.9 (1.3) | −0.7 | 0.56 | < 0.001 |