Textbook

T1

T2

T3

T4

T5

T6

T7

T8

Mean

SD

Volume 3

59.10

53.03

44.97

56.32

68.32

66.75

51.33

46.99

55.85

8.54

Volume 4

54.99

62.35

33.05

45.12

49.88

67.42

55.06

40.28

51.02

11.36