Table 2.

Clinical Measures at Pre- and Post-Treatment

Measure	MDD (n = 37)a		HV (n = 35)b		F(df)	p value
	M	SD	M	SD
IDS-C
Pre-treatment	33.73	7.69	2.26	2.58	F(1, 71) = 529.78	< .001
Post-treatment	12.81	8.60	2.24	2.77	F(1, 63) = 44.83	< .001
IDS-SR
Pre-treatment	33.19	8.82	3.17	2.97	F(1, 71) = 366.12	< .001
Post-treatment	15.26	10.69	3.03	4.64	F(1, 63) = 35.98	< .001
BIS
Pre-treatment	20.97	3.57	15.8	3.55	F(1, 71) = 38.00	< .001
Post-treatment	20.06	4.33	15.55	3.76	F(1, 63) = 19.96	< .001
BAS Reward
Pre-treatment	14.81	3.23	17.54	1.74	F(1, 71) = 19.65	< .001
Post-treatment	15.97	3.77	17.45	1.94	F(1, 63) = 4.00	.05
BAS Drive
Pre-treatment	8.92	2.94	11.26	2.33	F(1, 71) = 13.89	< .001
Post-treatment	9.68	2.94	12.15	2.40	F(1, 63) = 13.69	< .001
BAS Fun
Pre-treatment	9.89	2.32	12.00	1.91	F(1, 71) = 17.62	< .001
Post-treatment	11.32	2.80	12.33	2.34	F(1, 63) = 2.47	.12
PANAS-PA
Pre-treatment	18.24	6.12	38.74	5.80	F(1, 71) = 212.36	<.001
Post-treatment	31.42	8.68	38.55	7.33	F(1, 63) = 12.65	<.001
PANAS-NA
Pre-treatment	27.57	8.33	12.06	3.86	F(1, 71) = 100.73	< .001
Post-treatment	21.32	7.40	13.24	4.96	F(1, 63) = 26.62	< .001
CBAS-Cog-S
Pre-treatment	15.92	5.60	9.63	3.53	F(1, 71) = 32.04	< .001
Post-treatment	12.81	4.51	9.70	3.29	F(1, 63) = 10.00	< .01
CBAS Cog-NS
Pre-treatment	22.89	9.19	14.20	5.71	F(1, 71) = 22.94	< .001
Post-treatment	20.00	8.33	14.09	5.60	F(1, 63) = 11.22	< .001
CBAS Beh-S
Pre-treatment	19.41	6.87	11.49	2.96	F(1, 71) = 39.57	< .001
Post-treatment	16.16	6.70	10.85	3.02	F(1, 63) = 17.07	< .001
CBAS-Beh-NS
Pre-treatment	14.16	4.72	8.43	2.74	F(1, 71) = 39.14	< .001
Post-treatment	11.87	4.46	8.15	2.21	F(1, 63) = 18.24	< .001

Note: IDS-C = Inventory of Depressive Symptomatology – Clinician; IDS – SR = Inventory of Depressive Symptomatology – Self-Report; BIS = Behavioral Inhibition System, BAS Reward = Behavioral Activation System Reward Subscale, BAS Drive = Behavioral Activation System Drive Subscale, BAS Fun = Behavioral Activation System Fun Seeking Subscale, PANAS-PA = Positive Affect Negative Affect Scale Positive Affect Subscale, PANAS-NA = Positive Affect Negative Affect Scale Negative Affect Subscale. CBAS-Cog-S = Cognitive Behavioral Avoidance Scale Cognitive Social Subscale, CBAS-Cog-NS = Cognitive Behavioral Avoidance Scale Cognitive

Nonsocial Subscale, CBAS-Beh-S = Cognitive Behavioral Avoidance Scale Behavioral Social Subscale, CBAS-Beh-NS = Cognitive Behavioral Avoidance Scale Behavioral Nonsocial Subscale.

^aPost-treatment n = 31,

^bPost-treatment n = 33