Table 3.

Comparison of cohorts by semester. Presented are the grade and achieved points for the complete cohort and each group, separately listed for each semester

2013 summer term
	Total (n = 158)		With MC questions (n = 52)		Without MC questions (n = 106)		p value	95% CI
	Mean	SD	Mean	SD	Mean	SD
Grade	2.36	1.322	1.98	1.18	2.55	1.353	0.008	– 0.982 to – 0.151
Points	31.35	6.91	32.96	6.502	30.56	6.995	0.035	0.167 to 4.643

2013/2014 winter term
	Total (n = 164)		With MC questions (n = 56)		Without MC questions (n = 108)		p value	95% CI
	Mean	SD	Mean	SD	Mean	SD
Grade	2.71	1.021	2.52	0.914	2.81	1.063	0.073	– 0.603 to 0.028
Points	30.69	4.42	31.68	3.629	30.18	4.714	0.025	0.19 to 2.815

2014 summer term
	Total (n = 162)		With MC questions (n = 59)		Without MC questions (n = 103)		p value	95% CI
	Mean	SD	Mean	SD	Mean	SD
Grade	2.19	1.031	2.22	1.068	2.17	1.014	0.791	– 0.293 to 0.385
Points	32.82	4.189	32.78	4.445	32.84	4.058	0.927	– 1.459 to 7.329

2014/2015 winter term
	Total (n = 191)		With MC questions (n = 132)		Without MC questions (n = 59)		p value	95% CI
	Mean	SD	Mean	SD	Mean	SD
Grade	2.08	0.917	1.94	0.845	2.39	1	0.003	– 0.747 to – 0.154
Points	33.18	3.454	33.68	3.149	32.07	3.855	0.006	0.479 to 2.749

Significance was not present in the summer term 2014

CI confidence interval, MC multiple-choice, SD standard deviation