Skip to main content

Table 3 Item analysis for the Perceptions Regarding Curriculum Organization and Preparedness for PGY Residency Training scales

From: Medical undergraduates’ self-evaluation: before and after curriculum reform

Item Number Differentiation Congeniality Action
Critical ratio Item-total Correlation Corrected Item-total correlation Cronbach’s α if item deleted
Scale Aa
 1 10.344*** 0.688*** 0.640 0.943a Reserved
 2 8.993*** 0.666*** 0.618 0.943a Reserved
 3 10.551*** 0.715*** 0.675 0.942a Reserved
 4 11.820*** 0.697*** 0.653 0.942a Reserved
 5 11.713*** 0.736*** 0.699 0.941a Reserved
 6 11.180*** 0.751*** 0.714 0.941a Reserved
 7 10.251*** 0.682*** 0.638 0.943a Reserved
 8 7.502*** 0.571*** 0.524 0.944a Reserved
 9 10.578*** 0.747*** 0.709 0.941a Reserved
 10 11.088*** 0.673*** 0.626 0.943a Reserved
 11 10.225*** 0.737*** 0.700 0.941a Reserved
 12 10.150*** 0.747*** 0.706 0.941a Reserved
 13 10.664*** 0.740*** 0.700 0.941a Reserved
 14 9.605*** 0.688*** 0.647 0.942a Reserved
 15 10.165*** 0.754*** 0.719 0.941a Reserved
 16 13.238*** 0.788*** 0.757 0.940a Reserved
 17 10.672*** 0.777*** 0.746 0.941a Reserved
 18 10.965*** 0.776*** 0.740 0.941a Reserved
Scale Bb
 19 10.683*** 0.681*** 0.613 0.906b Reserved
 20 8.117*** 0.529*** 0.442 0.913b Deleted
 21 11.792*** 0.760*** 0.714 0.902b Reserved
 22 12.042*** 0.712*** 0.657 0.904b Reserved
 23 10.922*** 0.692*** 0.636 0.905b Reserved
 24 10.804*** 0.704*** 0.643 0.905b Reserved
 25 9.150*** 0.676*** 0.602 0.907b Reserved
 26 9.611*** 0.672*** 0.600 0.907b Reserved
 27 12.897*** 0.798*** 0.744 0.900b Reserved
 28 13.947*** 0.783*** 0.719 0.901b Reserved
 29 14.331*** 0.783*** 0.721 0.901b Reserved
 30 13.268*** 0.772*** 0.709 0.901b Reserved
  1. aScale A: Perceptions Regarding Curriculum Organization; Cronbach’s α = 0.945
  2. bScale B: Preparedness for PGY Residency Training; Cronbach’s α = 0.912
  3. *** p < 0.001