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Table 2 Comparison of difficulty indices of clinical reasoning questions in quizzes with Instructional strategies TBL and IL as a randomized crossover design

From: Team-based learning versus interactive lecture in achieving learning outcomes and improving clinical reasoning skills: a randomized crossover study

Sixth year (emergency module) Third-year (endocrinology module)
Variables Mean difficulty index
Group 1 (N = 19)
Mean difficulty index Group 2 (N = 18) P-value Variables Mean difficulty index
Group 1(N = 17)
Mean difficulty index Group 2 (N = 18) P-value
Quiz 1 .81 ± .16a .61 ± .18b .017# Quiz1 .76 ± .09a .61 ± .11b .04#
Quiz2 .63 ± .13b .83 ± .11a  < .001# Quiz2 .70 ± .14b .78 ± .10a .32
  1. a Instructional strategy TBL
  2. b Instructional strategy IL
  3. #statistically significant p-value