Items	Group	N	Pretest		Post-test		Estimated Marginal Means		test of homogeneity of within regression coefficient	F value of ANCOVA
Items	Group	N	M	SD	M	SD	M	SE	test of homogeneity of within regression coefficient	F value of ANCOVA
SR	CG	18	124.50	18.59	126.44	18.76	126.85^a	4.29	0.85	6.75^*
SR	EG	18	127.00	21.65	143.02	19.30	142.62^a	4.29	0.85	6.75^*
ER	CG	18	61.44	10.73	62.33	9.42	62.17^a	2.14	1.57	3.10
ER	EG	18	60.11	10.98	67.33	9.27	67.50^a	2.14	1.57	3.10
IS	CG	18	63.06	9.89	64.11	10.44	64.85^a	2.32	.34	9.33^**
IS	EG	18	66.89	11.61	75.68	10.50	74.94^a	2.32	.34	9.33^**
PR	CG	18	12.39	3.01	12.25	2.07	12.77^a	.61	1.51	.97
PR	EG	18	11.61	3.42	13.58	3.07	13.62^a	.61	1.51	.97
TR	CG	18	11.89	3.09	12.83	2.79	13.19^a	.43	0.17	.88
TR	EG	18	13.11	2.22	14.11	1.78	13.76^a	.43	0.17	.88
FR	CG	18	13.22	3.34	12.78	2.69	12.57^a	.64	6.80^*	-
FR	EG	18	11.44	2.41	12.22	2.69	12.43^a	.64	6.80^*	-
NR	CG	18	11.61	2.20	11.94	2.36	12.11^a	.54	0.01	3.24
NR	EG	18	12.78	2.86	13.67	2.30	13.50^a	.54	0.01	3.24
SM	CG	18	12.33	2.52	11.94	2.49	11.90^a	.53	1.95	6.38^*
SM	EG	18	11.17	3.37	13.78	1.93	13.82^a	.53	1.95	6.38^*
SE	CG	18	11.17	2.26	11.56	2.85	11.76^a	.60	0.02	3.79
SE	EG	18	12.72	2.37	13.67	2.11	13.46^a	.60	0.02	3.79
OP	CG	18	11.11	2.27	10.78	2.67	11.05^a	.53	0.01	10.70^**
OP	EG	18	12.50	2.23	13.83	1.95	13.56^a	.53	0.01	10.70^**
IC	CG	18	18.28	3.23	17.89	2.76	17.86^a	.59	0.59	13.25^**
IC	EG	18	18.06	3.40	20.83	2.50	20.87^a	.59	0.59	13.25^**
PS	CG	18	22.50	3.75	23.89	4.34	24.05^a	1.01	0.02	4.78^*
PS	EG	18	23.61	5.56	27.35	4.52	27.19^a	1.01	0.02	4.78^*