Table 1 Test results for Groups A-D over two years

A (n = 30)

35 ± 2

58 ± 1

66%

B (n = 33)

42 ± 1

59 ± 2

40%

C (n = 33)

47 ± 2

66 ± 2

40%

D (n = 33)

45 ± 1

63 ± 1

37%

Year 2

MCQ pre-test percentage

MCQ postest

Percent improvement

A (n = 33)

N/A

75 ± 2

N/A

B (n = 34)

43 ± 2

76 ± 1

77%

C (n = 32)

35 ± 2

76 ± 2

117%

D (n = 31)

39 ± 3

83 ± 2

112%