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Table 4 Change in pre- and post-test in IWB/CRL + CM group and CM-only group

From: Interactive whiteboard use in clinical reasoning sessions to teach diagnostic test ordering and interpretation to undergraduate medical students

 IWB/CRL sessionsTraditional learning sessions 
N = 12N = 11 
V0V1V0V1P
Hypothesis proposed (n)2.33 ± 1.262.89 ± 1.362.53 ± 1.322.98 ± 1.42T: <  0.001
Diagnostic test ordered (n)4.25 ± 1.674.55 ± 1.734.42 ± 1.675.76 ± 2.01G*T: <  0.01
Clear indication specified (n)1.81 ± 1.812.66 ± 2.041.58 ± 1.612.56 ± 1.91T: <  0.001
Risk and limits mentioned (n)0.35 ± 0.700.38 ± 0.970.71 ± 0.990.95 ± 1.43N.S
Test requirements mentioned (n)0.17 ± 0.520.23 ± 0.700.37 ± 0.760.68 ± 1.29T: 0.07
Correspondence between test and hypothesis
 Number of appropriate tests (n)2.77 ± 1.83.47 ± 1.792.72 ± 1.553.83 ± 2.01T: <  0.001
 Ratio of appropriate tests1.32 ± 0.921.29 ± 0.641.21 ± 0.881.33 ± 0.64N.S
Correspondence between indication and hypothesis
 Number of appropriate tests (n)1.15 ± 1.351.98 ± 1.790.98 ± 1.121.72 ± 1.43T: <  0.001
 Ratio of appropriate tests0.53 ± 0.610.70 ± 0.710.45 ± 0.560.59 ± 0.44T: 0.07
Correspondence between test and indication
 Number of appropriate tests (n)1.63 ± 1.652.51 ± 1.91.33 ± 1.392.21 ± 1.72T: <  0.001
 Ratio of appropriate tests0.39 ± 0.380.52 ± 0.360.32 ± 0.310.40 ± 0.29T: < 0.001
Extra-clinical signs found
 Number of true extra-clinical signs (n)1.63 ± 1.142.57 ± 1.721.29 ± 1.112.05 ± 1.66T: < 0.001
 Number of extra-clinical signs consistent with the proposed hypothesis (n)0.60 ± 0.761.23 ± 1.070.52 ± 0.741.07 ± 1.33T: < 0.001
  1. Change in pre- and post-test in the IWB/CRL+CM group and CM-only group. Data are presented as mean ± SD. T: Time effect. G*T: Group-Time effect. N.S: Not significant