Fig. 3From: Analysis of MCQ and distractor use in a large first year Health Faculty Foundation Program: assessing the effects of changing from five to four optionsChange in discrimination index and difficulty for individual questions after removing least effective distractor. Most questions showed minimal changes of ≤.1 units in DF and DI. Panels: (a) Chem A (n = 15); (b) Chem B (n = 27); (c) A&P A (n = 20); (d) A&P B (n = 21)Back to article page