Table 2. Group Differences by Cognitive Domain.

Domain	Social Phobia Group z-scores [M, (SD)]	Nonpsychiatric Control Group z-scores [M, (SD)]	t value	df	p value	Effect Size (d)
Verbal Learning	−0.155 (0.733)	0.000 (1.000)	0.626	48	0.535	0.177
Verbal Delayed Memory	0.000 (0.983)	0.000 (1.000)	0.000	48	1.000	<0.001
Visual Immediate Memory	−0.232 (1.052)	0.000 (1.000)	0.798	48	0.429	0.226
Visual Delayed Memory	−0.139 (0.934)	0.000 (1.000)	0.507	48	0.614	0.144
Visual-Spatial Processing	0.084 (1.276)	0.000 (1.000)	0.257	48	0.798	0.073
Verbal Working Memory	−0.198 (1.374)	0.000 (1.000)	0.582	48	0.563	0.165
Visual Working Memory	−0.506 (0.728)	0.000 (1.000)	2.043	48	0.047*	0.579
Executive Functioning	−0.166 (1.163)	0.000 (1.000)	0.542	48	0.590	0.153
Attention	0.205 (0.844)	0.000 (1.000)	0.782	48	0.438	0.222

^* p<0.05.