Correlational finding on Happiness and Egoistic
Subject code: P05aw

StudyCameron (1975): study US 1970
TitleMood as an Indicant of Happiness: Age, Sex, Social Class and Situational Differences.
SourceJournal of Gerontology, 1975, Vol. 30, 216 - 224
PublicCollege students, Detroit, USA, 197?
SampleNon-probability chunk sample
Respondents N =187

Author's labelSelf-serving and other-serving orientation
Page in Source 218/220
Our classificationEgoistic, code P05aw
Time-sampling, the question asked 21 times during 10 
weeks: "Were you mainly thinking about satisfying your 
own or anothers interests?"

Observed Relation with Happiness
Self-serving orientation:
Happy   mood: r=+.15 (05)  
Neutral mood: r=-.14  ns
Unhappy mood: r=+.17 (05)  

Happy   mood: r=-.06  ns
Neutral mood: r=+.22 (01)  
Unhappy mood: r=+.03  ns

Happiness assessed by time sampling. Correlations 
concern frequency of report of happy, neutral or 
sad mood.

Appendix 1: Happiness measures used
CodeFull Text
A-ARE-cq-sqr-v-3-aSelfreport on single question, asked 21 times in a period of 10 weeks (experience sampling)

How would you characterize your mood or impulse of the last instant....?
3 happy
2 neutral
1 sad

Summation: average of 21 scores.

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.