Table 2.

Means of sample characteristics and study variables and SDs.

Study variables		Control group	Experimental group
Sex, n
	Female	19	21
	Male	2	0
Age, mean (SD)		20.29 (2.19)	19.29 (0.46)
Mean entry grade to the degree course, mean (SD)		15.54 (1.46)	15.97 (0.85)
European Credit Transfer System credits on the degree course, mean (SD)		87.29 (6.90)	86.86 (5.41)
Degree course mean grade so far, mean (SD)		13.21 (0.67)	13.42 (0.99)
Self-efficacy perception, mean (SD)		30.14 (4.29)	30.38 (4.57)
Learning Satisfaction, mean (SD)		7.47 (1.58)	9.04 (0.55)
Knowledge assessment before intervention (A0), mean (SD)		9.87 (2.24)	10.15 (1.27)
Knowledge assessment after intervention (A1), mean (SD)		10.51 (1.89)	12.47 (1.57)
Knowledge assessment follow-up (2 months; A2), mean (SD)		10.55 (1.81)	11.93 (1.84)