Correlational finding on Happiness and subject: Ecological values

StudyJacob & Brinkerhoff (1999): study US 1998
TitleMindfulness and Subjective Well-Being in the Sustainability Movement: A Further Discrepancies Theory.
SourceSocial Indicators Research, 1999, Vol. 46, 341 - 368
DOIDOI: 10.1023/A:1006941403481
Public'Back to the landers', USA 1998
SampleNon-probability purposive sample
Respondents N =565

Author's labelHomestead production
Page in Source 358
Our classificationEcological values
Selfreport on importance of:
- growing your own food
- cutting energy consumption
- growing/eating organic food

Rated importance: 
4 (very)
3 (quite)
2 (not too)
1 (not at all)
Observed distributionMean 9,77, SD 1,73, N=550

Observed Relation with Happiness
O-H?-c-sq-v-5-br=+.00 ns

Appendix 1: Happiness measures used
CodeFull Text
O-H?-c-sq-v-5-bSelfreport on single question:

Lead item not reported.
5 very happy
4 happy
3 neutral
2. unhappy
1 very unhappy

Appendix 2: Statistics used
rPRODUCT-MOMENT CORRELATION COEFFICIENT (Also "Pearson's correlation coefficient' or simply 'correlation coefficient')
Type: test statistic.
Measurement level: Correlate: metric, Happiness: metric
Range: [-1; +1]

r = 0 no correlation ,
r = 1 perfect correlation, where high correlate values correspond with high happiness values, and
r = -1 perfect correlation, where high correlate values correspond with low happiness values.
Ruut Veenhoven, World Database of Happiness, Collection of Correlational Findings, Erasmus University Rotterdam.