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Summary Statistics and Correlation Among Dependent and Independent Variables (n = 2129)
| M | SD | Cronbach’s alpha | 1 | 2 | 3 | 4 | 5 | |
|---|---|---|---|---|---|---|---|---|
| 1. Refusal response efficacy | 3.21 | 0.02 | 0.77 | — | ||||
| 2. Alcohol-resistance self-efficacy | 3.57 | 0.02 | 0.83 | .37*** | — | |||
| 3. Marijuana-resistance self-efficacy | 3.8 | 0.01 | 0.86 | .30*** | .66*** | — | ||
| 4. Alcohol use | 2.05 | 0.03 | 0.79 | −.21*** | −.35*** | −.16*** | — | |
| 5. Marijuana use | 1.06 | 0.01 | 0.90 | −.14*** | −.20*** | −.28*** | .42*** | — |
p < .001.
