Table 1.

Effectiveness Pretest–Posttest Effect Sizes by Disorder

Disorder/symptoms	n	Effect size	SE	95% confidence interval	z	p
Panic disorder
Attacks	9	1.01	0.12	0.77–1.25	8.32	<.0001
Avoidance	14	0.83	0.12	0.60–1.06	7.09	<.0001
Fear of fear	11	1.23	0.16	0.92–1.54	7.84	<.0001
Depression	17	1.01	0.08	0.86–1.17	13.01	<.0001
Generalized anxiety	14	1.02	0.13	0.77–1.26	8.04	<.0001
Social anxiety disorder
Social anxiety symptoms	11	1.04	0.13	0.79–1.29	8.14	<.0001
Depression	8	0.73	0.09	0.55–0.91	7.90	<.0001
Posttraumatic stress disorder (PTSD)
PTSD symptoms	6	2.59	0.27	2.06–3.13	9.50	<.0001
Depression	5	1.62	0.32	0.99–2.25	5.06	<.0001
Generalized anxiety disorder
Generalized anxiety	11	0.92	0.08	0.77–1.07	11.94	<.0001
Depression	5	0.89	0.09	0.70–1.07	9.39	<.0001
Obsessive–compulsive disorder (OCD)
OCD symptoms	11	1.32	0.07	1.19–1.45	20.15	<.0001
Depression	9	0.89	0.06	0.77–1.01	14.65	<.0001