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Fig. 2 | BMC Medical Education

Fig. 2

From: Very short answer questions: a viable alternative to multiple choice questions

Fig. 2

Percentage distribution of the difficulty index of 6 tests Percentage of questions (y-axis) and difficulty index categories (x-axis) Legend: MTF (blue), BAQ (orange) and VSAQ (ash) The item analysis values of year-3 tests and year-5 tests were added together for MTF, BAQ and VSAQ for this graph. The bars show percentages of items falling in 3 categories: ≤0.3 (too difficult), 0.31–0.79 (moderate difficulty), and ≥ 0.8 (easy) as per Ebel and Frisbe [17]

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