Correlational finding on Happiness and subject: Summed effect of earlier conditions

StudyCrnic et al. (1984): study US 1981
TitleMaternal Stress and Social Support: Effects on the Mother-Infant Relationship from Birth to Eighteen Months.
SourceAmerican Journal of Orthopsychiatry, 1984, Vol. 54, 224 - 235
PublicMother-child pairs, followed 18 months after birth, USA, 1981-82
SampleSampling not reported
Non-ResponseAttrition at T2: 10%, at T3: 14%
Respondents N =105

Correlate
Author's labelJoint effects
Page in Source 229
Our classificationSummed effect of earlier conditions
Operationalization
a:Demographic variables
b:Stress
c:Intimate support
d:Community support

Observed Relation with Happiness
Happiness
Measure
StatisticsElaboration/Remarks
O-QLS-c-sq-v-5-aRČ=
            Happiness:
Predictors: Tl          T2            T3
Tl: a       .17 (ns)    .34 (ns)      .39 (ns
    a+b     .26 (01)    .34 (ns)      .40 (ns
    a+b+c   .36 (01)    .43 (01)      .40 (ns
    a+b+c+d .44 (01)    .44 (ns)      .40 (ns

T2: a                   .25 (ns)      .39 (ns;
    a+b                 .35 (01)      .41 (ns!
    a+b+c               .44 (01)      .41 (ns;
    a+b+c+d             .45 (ns)      .41 (ns)
 
T3: a                                 .06 (ns)
    a+b                               .20 (01)
    a+b+c                             .27 (05)
    a+b+c+d                           .27 (ns) 

Tl: child 1 month, 
T2: child 8 months,
T3: child 18 months


Appendix 1: Happiness measures used
CodeFull Text
O-QLS-c-sq-v-5-aSelfreport on single question:

"When you take everything into consideration, your child, your adult life, etc, how would you describe your current life situation.....?'
1 things are very bad right now
2
3
4
5 things are very good
(Response options not fully reported)


Appendix 2: Statistics used
SymbolExplanation
COEFFICIENT of DETERMINATION
Type: test statistic
Measurement level: Correlates: all metric, Happiness: metric
Range: [0; 1]

Meaning:
RČ = 0 « no influence of any correlate in this study has been established.
RČ = 1 « the correlates determine the happiness completely.
Source:
Ruut Veenhoven, World Database of Happiness, Collection of Correlational Findings, Erasmus University Rotterdam.
https://worlddatabaseofhappiness.eur.nl