Table 3.

The students’ average scores in each course separately

Course number	Average score	t	Sig.
Course 1	10.80	1.893	0.067
Course 2	14.08	7.871	0
Course 3	22.42	1.051	0.307
Course 4	12.29	2.583	0.019
Course 5	11.86	5.461	0.002
Course 6	12.98	3.808	0.019
Course 7	13.13	10.553	0
Course 8	13.47	5.161	0
Course 9	11.24	1.986	0.057
Course 10	12.80	3.897	0.002
Course 11	14.68	7.164	0
Course 12	8.29	−3.474	0.002
Course 13	10.88	1.936	0.058
Course 14	12.46	3.911	0
Course 15	9.85	−0.198	0.845
Course 16	8.93	−1.296	0.243
Course 17	4.42	−8.157	0
Course 18	10.73	0.592	0.585
Course 19	13.01	2.922	0.011
Course 20	13.13	2.37	0.05
Course 21	15.43	7.077	0