Table 2.
Means and Standard Deviations of Dependent Variables by Time and Group
| Variable | Experimental | Comparison | Group | Time | Group × Time | Effect Size | Group × Time × Age | Effect Size | ||
|---|---|---|---|---|---|---|---|---|---|---|
| M | SD | M | SD | (1, 30) | (1, 30) | (2, 60) | (2, 60) | |||
| Alcohol Use | 4.65* | 2.36 | 0.64 | 0.02 | 4.48* | 0.13 | ||||
| Pretest | 2 | 1.37 | 1.22 | 1.48 | ||||||
| Posttest | 1.81 | 1.6 | 1.06 | 1.35 | ||||||
| Follow-up | 1.19 | 1.33 | 0.94 | 1.11 | ||||||
| Alcohol Intentions | 4.97* | 5.25** | 0.15 | 2.43 | 0.07 | |||||
| Pretest | 4.19 | 2.17 | 6.56 | 3.07 | ||||||
| Posttest | 4.75 | 2.43 | 6.17 | 2.77 | ||||||
| Follow-up | 5.06 | 2.26 | 5.78 | 2.92 | ||||||
NOTE:
*
p<.05;
**
p<.01