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Table 1 Psychometric test results from the EBM OSCE stations

From: Development and evaluation of a spiral model of assessing EBM competency using OSCEs in undergraduate medical education

OSCE Identifier Year EBM task Station summary Number of students Cronbach’s alpha ITC Mean score (out of a maximum score of 20) Cut score Number failing
1 year 1 Asking, acquiring Students were asked to formulate an appropriate clinical question and search terms. They were asked to search the database PubMed, while explaining what they were doing to the examiner. 63 0.81 0.48 15.71 9.6 4
2 year 1 Appraising A patient presented for review and asked explanation for some epidemiological terms in an article. 81 0.85 0.494 13.58 12 19
3 Year 2 Appraising A patient had found some information on the internet and wanted to discuss the article so she could make the right decision. 61 0.74 0.311 13.33 11 13
4 Year 2 Appraising A patient wanted to discuss his screening results and understand what the findings meant. 71 0.73 0.367 15.61 13 13
5 Year 3 Appraising and applying The student was assessed on his/her skill to apply the findings in shared decision making with the patient to manage their condition. 64 0.75 0.064 16.83 13 6
6 Year 4 Applying A patient had found information on the internet and was concerned that the vaccinations her child had had might have caused her child’s delay in talking. 59 0.67 0.205 15.46 11 1