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Table 4 Comparison of mean percentage scores on OSCE and written test between intervention and control group

From: Examining the educational impact of the mini-CEX: a randomised controlled study

 

N

Observed mean % score (SD)

ANOVA

Adjusted mean % score (SE)

ANCOVA

OSCE

 Intervention

19

0.669 (0.053)

F = 3.603, p = 0.066

0.664 (0.012)a

F = 1.884, p = 0.179b

 Control

19

0.635 (0.056)

0.640 (0.012)a

Written test

 Intervention

19

0.532 (0.090)

F = 2.674, p = 0.111

0.525 (0.020)c

F = 1.395, p = 0.245d

 Control

19

0.484 (0.094)

0.491 (0.020)c

  1. aAdjustments based on mean Z-scores of past OSCE = 0.102; bHomogeneity of regression tested and not significant: F = 0.088, p > 0.05; cAdjustments based on mean Z-scores of past written examinations = 0.029; dHomogeneity of regression tested and not significant: F = 0.552, p > 0.05