Cumulative assessment: strategic choices to influence students’ study effort

Table 4 Results comparing subtests 1 and 2 versus 3

Module	Group	Students	T₁₊₂	T₃	Absolute difference	T-test
		n	Mean	Mean	\|Δ\|	t	p
1	Initial low scorers	133	54.30	55.19	\|0.89\|	−3.24	.00*
	Initial high scorers	124	75.04	71.16	\|-3.88\|	−3.24	.00*
2	Initial low scorers	107	51.05	53.50	\|2.45\|	.97	.33
	Initial high scorers	110	74.02	75.57	\|1.54\|	.97	.33
3	Initial low scorers	106	55.08	62.23	\|7.16\|	7.00	.00*
	Initial high scorers	101	69.56	71.15	\|1.58\|	7.00	.00*
4	Initial low scorers	87	46.71	69.04	\|22.32\|	-.02	.98
	Initial high scorers	83	58.93	81.27	\|22.35\|

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 the combined subtests 1 and 2 (T₁₊₂) and subtest 3 (T₃).
* = significant at the α = 0.05 level.