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Table 3 Item difficulty level and item-total correlations for the Script Concordance Test (SCT)

From: An innovative method to assess clinical reasoning skills: Clinical reasoning tests in the second national medical science Olympiad in Iran

  SC1 SC2 SC3 SC4 SC5 SC6 SC7 SC8 SC9 SC10
Item difficulty level 0.36 0.52 0.25 0.60 0.48 0.44 0.43 0.42 0.57 0.48
Item-total correlation 0.41 0.46 0.32 0.45 0.50 0.37 0.52 0.48 0.33 0.41
  SC11 SC12 SC13 SC14 SC15 SC16 SC17 SC18 SC19 SC20
Item difficulty level 0.49 0.40 0.43 0.24 0.51 0.32 0.49 0.48 0.15 0.21
Item-total correlation 0.54 0.41 0.30 0.19 0.30 0.34 0.28 0.41 0.12 0.09