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Table 3 Classification of the exam items according to their distractor efficiency (n = 59)

From: Item analysis: the impact of distractor efficiency on the difficulty index and discrimination power of multiple-choice items

NFDs

Interpretation

Score

Frequency

Percentage

3

Poor

0

2

3.4

2

Moderate

33.3

13

22.0

1

Good

66.6

22

37.3

0

Excellent

100

22

37.3

Total

100

59

100.0

  1. NFD = Non-functional distractor
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