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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.