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Table 3 Average scores obtained by the respective groups in the theoretical tests (76 possible points) and corresponding significance levels

From: Virtual patients versus small-group teaching in the training of oral and maxillofacial surgery: a randomized controlled trial

 T0T1T2p-Value T0-T1p-Value T1-T2p- Value T0-T2
SGT30.68 (+  6,2)40.32 (+  7,2)64.44 (+  7,3)0.00003 (F)< .00001 (F)< 0.00001 (F)
VP30.18 (+  8,7)60.79 (+  9,6)65.24 (+  7,6)< 0.00001(F)0.05 (F)< 0.00001(F)
p- Value0.564 (M)< 0.001 (M)0.565 (M)   
Effect size (Cohens d)0.0662.4120.107   
  1. Data are presented as Mean + SD
  2. (F) = Friedman test for repeated test measures
  3. (M) = Mann-Whitney-White U test for ordinally distributed data
  4. (T0) = prio to the intervention, (T1) = directly after the intervention, (T2) = six weeks after the intervention
  5. Significant results were marked in boldface