Table 6.

Effect size of social skill

Study	Diagnosis	Intervention	Effect size	95%CI	Weight (%)
Hyun[31]	Schizophrenia	CB group therapy	0.41	-0.14-0.96	17.2
Iwata et al[22]	Schizophrenia	CR using computer coftware	3.01	2.25-3.76	9.2
Kim and Cho[27]	Schizophrenia	CB Program	1.91	0.95-2.86	5.7
Kingston et al[32]	Mental Illnesses	Cognitive skills program	2.48	1.95-3.02	18.2
Twamley et al[30]	Mental Illnesses	Compensatory CT	0.60	0.27-0.92	49.6
Total			1.21	0.98-1.43	100

CB: Cognitive behavior, CT: Cognitive training.