Table 3. Clinical scores and Effect Sizes for Efficacy Measures in Patients Receiving NFB at Baseline and Week 2.

	Baseline (T0)		Week 2 (T1)		Wilcoxon Test p	Cohen's d d
PANSS	Mean	SD	Mean	SD
Positive	8.33	1.32	8.00	1.50	.83	.20
Negative	9.33	1.80	8.67	1.80	.83	.40
General Psychopatology	21.00	3.77	19.33	3.04	.83	.40
Total score	38.67	6.56	36.00	6.24	.83	.40