Table 3.
Multiple Regression Analyses Testing Whether Intention to Eco-Drive Would Be Predicted by a Process of Value-Triggered Norm Activation.
| β | t | Adjusted R2 | F | df | p | |
|---|---|---|---|---|---|---|
| DV: Intention to eco-drive | ||||||
| Step 1 | .47 | 72.15 | 1, 79 | .000 | ||
| PN (eco-driving) | .69*** | 8.49 | ||||
| Step 2 | .51 | 14.58 | 5, 74 | .000 | ||
| PN (eco-driving) | .61*** | 6.34 | ||||
| OE (eco-driving) | .28** | 2.74 | ||||
| PA (car use) | −.12 | −1.17 | ||||
| Egoistic | −.03 | −0.41 | ||||
| Altruistic | .08 | 0.80 | ||||
| Biospheric | −.02 | −0.11 | ||||
| DV: PN (eco-driving) | ||||||
| Step 1 | .17 | 17.32 | 1, 79 | .000 | ||
| OE (eco-driving) | .42*** | 4.16 | ||||
| Step 2 | .29 | 7.44 | 4, 75 | .000 | ||
| OE (eco-driving) | .13 | 1.09 | ||||
| PA (car use) | .19 | 1.61 | ||||
| Egoistic | −.11 | −1.19 | ||||
| Altruistic | −.13 | −1.01 | ||||
| Biospheric | .41** | 2.70 | ||||
| DV: OE (eco-driving) | ||||||
| Step 1 | .24 | 26.72 | 1, 79 | .000 | ||
| PA (car use) | .50*** | 5.17 | ||||
| Step 2 | .35 | 11.86 | 3, 76 | .000 | ||
| PA (car use) | .25* | 2.24 | ||||
| Egoistic | −.03 | −0.35 | ||||
| Altruistic | −.02 | −0.18 | ||||
| Biospheric | .46** | 3.40 | ||||
| DV: PA (car use) | ||||||
| Step 1 | .31 | 13.16 | 3, 77 | .000 | ||
| Egoistic | −.13 | −1.44 | ||||
| Altruistic | −.01 | −0.07 | ||||
| Biospheric | .58*** | 4.76 | ||||
Note. PN = personal norms; OE = outcome efficacy; PA = problem awareness; DV = dependent variable.
*
p < .05. **p < .01. ***p < .001.