Table 4.

Effect size of executive function

Study	Diagnosis	Intervention	Effect size	95%CI	Weight (%)
Iwata et al[22]	Schizophrenia	CR using computer software	0.22	0.09-0.35	71.2
Jung and Oh[23]	Schizophrenia	CB group art theraly program	0.28	-0.04-0.60	11.8
Kim and Kim[24]	Schizophrenia	Visuospatial rehabilitation	0.60	0.33-0.87	17.0
Total			0.29	0.18-0.40	100

CR: Cognitive rehabilitation; CB: Cognitive behavior.