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. 2023 Aug 29;18(8):e0290691. doi: 10.1371/journal.pone.0290691

Table 1. Mean score of each domain.

Mean (± SD) Range
Appropriateness of the question 7.78 ± 0.74 5.40–9.80
Clarity and specificity 7.63 ± 0.69 5.60–9.20
Relevance 7.72 ± 0.77 5.60–9.20
Quality of the alternatives & discriminative power 7.31 ± 0.65 5.60–7.31
Suitability for graduate medical school exam 7.32 ± 0.84 5.00–9.20
Total score 37.76 ± 3.34 27.20–46.20