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Table 3 BAQ tests sorted into 5 classes or groups showing their distractor efficiency

From: How important is distractor efficiency for grading Best Answer Questions?

Test

A

n

A

DE

(%)

B

n

B

DE

(%)

C

n

C

DE

(%)

D

n

D

DE

(%)

E

n

E

DE

(%)

Mean

DE

(%)

1

2

62.5

19

57.89

13

48.08

10

37.5

6

66.67

52.5

2

1

50

24

64.58

10

47.5

13

17.31

2

75

49

3

1

75

16

65.63

13

51.92

15

23.33

5

55

48.5

4

1

50

12

56.25

8

53.13

18

52.78

11

40.91

54

5

1

75

17

48.53

5

65

8

34.38

19

34.21

43

6

2

62.5

19

57.89

6

37.5

17

33.82

6

12.5

43

7

1

66.66

15

62.22

6

55.55

9

66.66

19

28.07

49.33

Mean

 

63.09

 

59

 

44.1

 

37.97

 

44.62

 
  1. Class of items: A = excellent, B = good, C = acceptable, D = remediable, E = discarded
  2. DE distractor efficiency in percentage, n number of items, classes A, B and C were banked, D put in remediable category and E discarded
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