Correlational finding on Happiness and subject: Concern about farming

StudyMolnar (1985): study US 1981
TitleDeterminants of Subjective Well-Being among Farm Operators.
SourceRural Sociology, 1985, Vol. 50, 141 - 162
PublicFarm operators, Alabama, USA, 1981
Respondents N =705

Author's labelSelf-definition as a farm operator
Page in Source 150/156
Our classificationConcern about farming
Single closed question: How do you see yourself? Rated 
on a 5-point scale: 
a; small farm operator
b average farmer
c progressive farme
d more-progressive-than-most farmer
e innovator.

Observed Relation with Happiness
C-BW-cy-sq-l-9-ar=+.20 p < .05

Appendix 1: Happiness measures used
CodeFull Text
C-BW-cy-sq-l-9-aSelfreport on single question:

"Here is a picture of a ladder. At the bottom of the ladder is the worst life you might reasonably expect to have. At the top is the best life you might expect to have. Of course, life from week to week falls somewhere in between. Where was your life most of the time during the past year?"
[ 9 ] best life you might expect to have
[ 8 ]
[ 7 ]
[ 6 ]
[ 5 ]
[ 4 ]
[ 3 ]
[ 2 ]
[ 1 ] worst life you might expect to have

Name: Cantril's self anchoring ladder rating (modified version)

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.