Correlational finding on Happiness and subject: Balance of negative- and positive life-events

StudyArmsden & Greenberg (1987): study US 1986
TitleThe Inventory of Parent and Peer Attachment: Individual Differences and their Relationship to Psychological Well-Being in Adolescence.
SourceJournal of Youth and Adolescence, 1987, Vol. 16, 427 - 454
DOIDOI: 10.1007/BF02202939
PublicUndergraduate students, USA, 1982
Sample
Non-Response?
Respondents N =86

Correlate
Author's labelLife change
Page in Source 437
Our classificationBalance of negative- and positive life-events
Operationalization
Selfreport on 47 item list of events scored for:
a) whether it occured in the past year, and if so,
b) type of impact(positive or negative) and 
c) degree of impact (some,moderate or great). The 
scores used here are impact ratings for positively and 
negatively
rated events separately.
Remarks
Life Events Checklist (Johnson & McCutcheon 1980)

Observed Relation with Happiness
Happiness
Measure
StatisticsElaboration/Remarks
O-SL?-?-sq-v-5-br=+38
Perceived impact of positively rated events
O-SL?-?-sq-v-5-br=-33
Perceived impact of negatively rated events


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

"........satisfaction with life........"
(Full question not reported)

1 very dissatisfied
2 a little dissatisfied
3 neither dissatisfied nor satisfied
4 well satisfied
5 completely satisfied


Appendix 2: Statistics used
SymbolExplanation
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]

Meaning:
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.
Source:
Ruut Veenhoven, World Database of Happiness, Collection of Correlational Findings, Erasmus University Rotterdam.
https://worlddatabaseofhappiness.eur.nl