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Table 2 Individual item analysis

From: Adaptation and validation of the Berlin questionnaire of competence in evidence-based dentistry for dental students: a pilot study

QuestionPointsAverageStandard deviationDifficultyDiscriminatory power
Test0–308.4213.9620.281
A10–10.3530.4800.3530.126
A20–10.1430.3510.1430.042
A30–10.2560.4380.256−0.120
A40–10.3980.4910.3980.403
A50–10.2630.4420.2630.216
A60–10.3530.4800.3530.052
A70–10.2630.4420.2630.337
A80–10.3910.4900.3910.033
A90–10.1950.3980.195−0.023
A100–10.3380.4750.3380.218
A110–10.2030.4040.2030.039
A120–10.3460.4470.3460.504
A130–10.2560.4380.2560.059
A140–10.2780.4500.2780.160
A150–10.3610.4820.3610.421
B10–10.3160.4670.3160.115
B20–10.3530.4800.3530.338
B30–10.2560.4380.2560.573
B40–10.3980.4910.3980.167
B50–10.2780.4500.2780.205
B60–10.2410.4290.2410.259
B70–10.0980.2980.0980.194
B80–10.1580.3660.158−0.008
B90–10.4440.4990.4440.421
B100–10.4060.4930.4060.395
B110–10.1430.3510.1430.098
B120–10.2560.4380.2560.278
B130–10.2410.4290.241−0.039
B140–10.2710.4460.2710.170
B150–10.1650.3730.1650.049