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. Author manuscript; available in PMC: 2013 Jun 1.
Published in final edited form as: J Consult Clin Psychol. 2012 Jan 16;80(3):497–511. doi: 10.1037/a0026928

Table 4.

Means and standard deviations for treatment outcome measures for intent-to-treat sample.

Pre-assessment M (SD) Post-assessment M (SD) Results

IMP (n = 23) ICC (n = 26) IMP (n = 23) ICC (n = 26) Group F (p)
(ηp2)
Time F (p)
(ηp2)
Group X Time F (p)
(ηp2)
Social Interpretation Bias (multivariate)a 1.36 (.27)
ηp2 = .06
18.01 (.000)
ηp2 = .45
6.20 (.004)
ηp2 = .22

Threat Endorsement 59% (20) 55% (19) 24% (28) 42% (25) 1.64 (.21)
ηp2 = .04
29.11 (.000)
ηp2 = .39
6.06 (.018)
ηp2 = .12
Benign Endorsement 45% (20) 50% (19) 75% (25) 55% (17) 2.57 (.12)
ηp2 = .05
26.72 (.000)
ηp2 = .37
12.09 (.001)
ηp2 = .21

General (Non-social) Interpretation Bias (multivariate)a 6.76 (.003)
ηp2 = .24
16.96 (.000)
ηp2 = .44
5.82 (.006)
ηp2 = .21

Threat Endorsement 60% (22) 63% (19) 27% (31) 53% (21) 6.56 (.014)
ηp2 = .13
30.29 (.000)
ηp2 = .40
8.45 (.006)
ηp2 = .16
Benign Endorsement 59% (16) 56% (17) 78% (15) 59% (18) 9.48 (.004)
ηp2 = .17
10.45 (.002)
ηp2 = .19
5.96 (.019)
ηp2 = .12

Social Anxiety (multivariate) .93 (.40)
ηp2 = .04
35.90 (.000)
ηp2 = .61
6.11 (.004)
ηp2 = .21

LSAS 82.0 (18.4) 77.7 (18.6) 50.2 (19.3) 67.6 (26.2) 1.66 (.20)
ηp2 = .03
41.97 (.000)
ηp2 = .47
11.39 (.001)
ηp2 = .20
SPAI 144.8 (25.6) 147.1 (20.8) 111.0 (33.0) 117.3 (42.2) .29 (.60)
ηp2 = .01
61.33 (.000)
ηp2 = .57
.24 (.63)
ηp2 = .01

Functional Impairment (univariate)

SDS 18.5 (5.2) 19.2 (4.6) 11.4 (6.7) 15.4 (6.4) 2.71 (.11)
ηp2 = .11
37.97 (.000)
ηp2 = .45
3.62 (.063)
ηp2 = .07

Emotional Distress (multivariate) 1.75 (.19)
ηp2 = .07
24.31 (.000)
ηp2 = .51
4.59 (.015)
ηp2 = .17

BDI-II 26.4 (11.4) 22.0 (13.1) 9.8 (9.8) 14.7 (11.2) .01 (.94)
ηp2 = .00
49.67 (.000)
ηp2 = .51
7.47 (.009)
ηp2 = .14
STAI-T 57.1 (11.6) 57.9 (9.1) 44.3 (12.1) 50.2 (11.4) 1.67 (.20)
ηp2 = .03
32.38 (.000)
ηp2 = .41
2.03 (.16)
ηp2 = .04

Note. IMP: Interpretation Modification Program; ICC: Interpretation Control Condition; LSAS: Liebowitz Social Anxiety Scale; SPAI: Social Phobia and Anxiety Inventory; SDS: The Sheehan Disability Scale; STAI-T: BDI-II: The Beck Depression Inventory II; The State Trait Anxiety Inventory – Trait.

a

Data was missing for three participants; therefore, sample sizes for this analysis were, IMP (n = 22) and ICC (n = 25).