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Table 3 Results comparing subtests 1 versus 2

From: Cumulative assessment: strategic choices to influence students’ study effort

Module

Group

Students

T1

T2

Absolute difference

T-test

  

n

Mean

Mean

|Δ|

t

p

1

Initial low scorers

111

49.82

59.36

|9.54|

8.19

.00*

 

Initial high scorers

139

73.29

72.27

|-1.02|

2

Initial low scorers

100

53.17

52.12

|-1.05|

6.49

.00*

 

Initial high scorers

122

77.21

68.29

|-8.92|

3

Initial low scorers

82

50.78

59.01

|8.24|

2.52

.01*

 

Initial high scorers

109

71.58

65.71

|-5.87|

4

Initial low scorers

96

43.28

52.10

|8.82|

9.66

.00*

 

Initial high scorers

76

58.90

57.77

|-1.13|

  
  1. For initial low and high scorers in four modules: mean test scores and absolute difference and t-tests comparing their absolute mean difference in test scores between subtests 1 (T1) and 2 (T2).
  2. * = significant at the α = 0.05 level.