Table 2.

Correlations Between Variables.

	1	2	3	4	5	6	7	8	9
1.  General knowledge–causes	1.00
2.  Specific knowledge	.38***
3.  General knowledge–consequences	.36**	.39***
4.  Egoistic	−.03	.18	.09
5.  Altruistic	.13	−.16	.07	.001
6.  Biospheric	.10	−.09	−.02	.06	.65***
7.  Problem awareness	.15	.02	.28*	−.10	.37**	.57***
8.  Outcome efficacy	.25*	.18	.13	−.03	.37**	.58***	.50***
9.  Personal norm	.02	.01	.15	−.11	.26*	.51***	.46***	.42***
10.  Intention	.19a	.14	.25*	−.10	.29**	.44***	.32**	.50***	.69***

Note. General knowledge–causes indicates “general knowledge of causes of global warming.” Specific knowledge indicates “specific knowledge of CO₂ emissions and particulate matter resulting from car use.” General knowledge–consequences indicates “general knowledge of consequences of global warming.”

^aMarginally significant at p = .08.

^*p < .05. **p < .01. ***p < .001.