Table 4. Results of the covariance analysis test .

Scale	Stages	Variable index	df	F	P-Value	Effectiveness	Statistical power
PACS	Post-test	Pre-test	1	25.1	0.01	0.50	0.997
		Intervention	1	19.5	0.01	0.48	0.998
	Follow-up	Pre-test	1	9.52	0.006	0.31	0.83
		Intervention	1	12.34	0.02	0.37	0.91
AUQ
	Post-test	Pre-test	1	7.5	0.08	0.15	0.388
		Intervention	1	23.1	0.01	0.16	0.396
	Follow-up	Pre-test	1	6.43	0.09	0.13	0.377
		Intervention	1	13.68	0.03	0.39	0.84
OCDS
	Post-test	Pre-test	1	12.3	0.002	0.39	0.91
		Intervention	1	19.3	0.01	0.48	0.98
	Follow-up	Pre-test	1	3.15	0.09	0.13	0.39
		Intervention	1	13.6	0.02	0.38	0.33