Table 3.

Achieved test scores (each correct question scored 1 point)

Pre-test				Post-test
	Mean	Standard deviation	Standard error of the mean	Mean	Standard deviation	Standard error of the mean
E-learning (EL)	9.08	2.69	0.344	17.23	2.21	2.206
Seminar (SE)	9.24	3.21	0.433	14.71	2.42	1.983
Self-instructed learning (SL)	8.81	3.23	0.448	15.81	2.81	2.192
Lecture (VL)	9.78	3.48	0.474	14.37	2.76	1.956