Table 2.
Means and standard deviations for treatment outcome measures for treatment completers.
| Pre-assessment M (SD) | Post-assessment M (SD) | Follow-up assessment M (SD) | Results | |||||
|---|---|---|---|---|---|---|---|---|
| IMP (n = 20) | ICC (n = 23) | IMP (n = 20) | ICC (n = 23) | IMP (n = 15) | Group F (p) (ηp2) |
Time F (p) (ηp2) |
Group X Time F (p) (ηp2) |
|
| Social Interpretation Bias (multivariate)a | 1.64 (.21) ηp2 = .08 |
23.75 (.000) ηp2 = .56 |
8.74 (.001) ηp2 = .32 |
|||||
| Threat Endorsement | 60% (22) | 54% (19) | 18% (26) | 39% (24) | 2.07 (.16) ηp2 = .05 |
35.47 (.000) ηp2 = .48 |
8.33 (.006) ηp2 = .18 |
|
| Benign Endorsement | 44% (21) | 50% (20) | 81% (24) | 57% (18) | 3.12 (.086) ηp2 = .08 |
33.91 (.000) ηp2 = .47 |
16.24 (.000) ηp2 = .30 |
|
| General (Non-social) Interpretation Bias (multivariate)a | 7.71 (.002) ηp2 = .29 |
22.13 (.000) ηp2 = .55 |
8.18 (.001) ηp2 = .31 |
|||||
| Threat Endorsement | 61% (21) | 63% (20) | 20% (27) | 51% (22) | 8.67 (.005) ηp2 = .19 |
37.89 (.000) ηp2 = .50 |
11.63 (.002) ηp2 = .23 |
|
| Benign Endorsement | 57% (17) | 56% (17) | 80% (15) | 59% (19) | 8.68 (.005) ηp2 = .19 |
11.86 (.001) ηp2 = .24 |
7.04 (.012) ηp2 = .16 |
|
| Social Anxiety (multivariate) | .62 (.54) ηp2 = .03 |
31.22 (.000) ηp2 = .61 |
8.14 (.001) ηp2 = .29 |
|||||
| LSAS | 83.2 (18.8) | 75.9 (18.5) | 46.6 (17.2) | 64.6 (25.9) | 40.8 (21.6) | 1.03 (.32) ηp2 = .03 |
50.12 (.000) ηp2 = .55 |
13.93 (.001) ηp2 = .25 |
| SPAI | 145.0 (26.8) | 146.1 (21.8) | 112.0 (34.4) | 118.1 (43.7) | 94.5 (37.7) | .16 (.69) ηp2 = .00 |
47.77 (.000) ηp2 = .54 |
.33 (.57) ηp2 = .01 |
| Functional Impairment (univariate) | ||||||||
| SDS | 18.2 (5.4) | 19.3 (4.3) | 9.9 (5.9) | 15.0 (6.3) | 7.7 (6.2) | 4.89 (.033) ηp2 = .11 |
43.75 (.000) ηp2 = .52 |
4.47 (.041) ηp2 = .10 |
| Emotional Distress (multivariate) | 1.11 (.34) ηp2 = .05 |
21.48 (.000) ηp2 = .52 |
4.51 (.017) ηp2 = .18 |
|||||
| BDI-II | 26.4 (10.7) | 21.4 (13.7) | 9.0 (9.0) | 14.8 (11.8) | 10.6 (8.1) | .02 (.89) ηp2 = .00 |
43.75 (.000) ηp2 = .52 |
8.94 (.005) ηp2 = .18 |
| STAI-T | 58.4 (10.8) | 57.5 (9.4) | 43.7 (12.0) | 50.7 (11.9) | 45.4 (14.6) | 1.21 (.28) ηp2 = .03 |
32.05 (.000) ηp2 = .44 |
4.38 (.043) ηp2 = .10 |
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; BDI-II: The Beck Depression Inventory II; STAI-T: The State Trait Anxiety Inventory – Trait.
a
Data was missing for three participants; therefore, sample sizes for this analysis were, IMP (n = 18) and ICC (n = 22).