Table 5.

Paired t-test results on BACS-J and LASMI data for the RIS group

(N=16)	Baseline	8 weeks later	t	P-value	Cohen’s d
BACS-J
Verbal learning	−1.74±0.76	−1.60±0.89	−0.83	0.41	0.18
Working memory	−1.71±0.74	−1.49±0.81	−1.71	0.11	0.29
Motor function	−1.27±0.69	−1.63±0.89	1.18	0.25	0.46
Verbal fluency	−1.48±0.66	−1.18±0.46	−2.81	0.01	0.54
Attention and processing speed	−1.85±0.48	−1.75±0.72	−0.67	0.51	0.17
Executive function	−1.23±0.48	−1.03±0.68	−1.04	0.32	0.36
LASMI
Daily living	1.84±0.73	1.84±0.64	0.04	0.96	0.003
Interpersonal relations	2.06±0.61	1.94±0.61	2.03	0.06	0.20
Work skills	2.10±0.60	1.86±0.59	3.29	0.005	0.42
Endurance and stability	3.16±0.94	3.06±1.01	1.00	0.33	0.10
self recognition	2.31±0.81	2.16±0.75	1.15	0.27	0.19

Abbreviations: BACS-J, Brief Assessment of Cognition in Schizophrenia, Japanese-language version; LASMI, Life Assessment Scale for the Mentally Ill; RIS, risperidone; N, number.