Table 4.

Response time during gain and loss blocks, by clinical groups.

	Gain blocks					Loss blocks
	Mean, s	st. dev	Versus age-matched controls			Mean, s	st. dev	Versus age-matched controls
			F (1,36)	p-value	Cohen’s d			F (1,36)	p-value	Cohen’s d
OCD	2.7	0.30	4.67	0.037	0.64	2.7	0.36	3.69	0.06	0.6
OCD/HD	2.7	0.32	5.69	0.022	0.73	2.7	0.30	10.99	0.002	0.94
HD	3.0	0.29	1.08	0.31	0.47	3.0	0.28	0.66	0.42	0.33