Table 2.

Correlation matrix of the four internal values and six energy feedback messages

Message	Altruistic	Biospheric	Egoistic	Hedonic
Scientific units	0.03	0.35	0.28	0.11
Physical exercise	0.23	0.19	0.40*	0.08
Altruistic message	0.16	0.61**	0.03	0.18
Biospheric message	0.27	0.68**	0.09	0.12
Egoistic message	0.02	0.48**	0.12	0.32
Hedonic message	0.10	0.50**	$-$0.05	0.15

* Correlation is significant at 0.05 level (2-tailed)

** Correlation is significant at 0.01 level (2-tailed)