TABLE 2. Study Completers and Intent-to-Treat IES Mean Scores and Standard Deviations at Pretest, 1-Month, and 3-Month Follow-up Assessments and Results of Within Group Effect Sizes
|
T1
|
T2
|
T3
|
ESa T1 – T2
|
ES T1 – T3
|
|
| Completers (n = 57) |
|
|
|
|
|
| Control |
21.78 (15.13) |
9.38 (10.88) |
6.34 (9.78) |
0.95 |
1.24 |
| CISD-A |
26.88 (14.31) |
16.40 (16.78) |
11.28 (12.85) |
0.67 |
1.15 |
| Intent-to-treat (n = 75) |
|
|
|
|
|
| Control |
22.60 (16.09) |
12.02 (13.89) |
9.71 (13.79) |
0.71 |
0.86 |
CISD-A
|
27.30 (14.86)
|
19.36 (17.49)
|
15.48 (15.73)
|
0.49
|
0.77
|
|
Note. T1 = pretest; T2 = 1-month follow-up; T3 = 3-month follow-up.
a Effect sizes were calculated using Cohen's d statistic, with the magnitude of change defined as the difference between assessment group means divided by the pooled standard deviation.