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Correlational findings

Study Crnic et al. (1984): study US 1981

Public:
Mother-child pairs, followed 18 months after birth, USA, 1981-82
Sample:
Respondents:
N = 105
Non Response:
Attrition at T2: 10%, at T3: 14%
Assessment:
Multiple methods
Structured interview/questionnaire/laboratory observation

Correlate

Authors's label
Demographic situation
Our Classification
Operationalization
a. maternal age
b. education
c. number of children
d. receipt of public assistance
e. infant birth status (premature or full term born)

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks O-QLS-c-sq-v-5-a rpc = +           Happiness:
          Tl            T2         T3
T1:      +.17(ns)      +.34(ns)   +.39(ns)
T2:                    +.25(ns)   +.39(ns)
T3:                               +.06(ns)

T1:child 1 month,
T2:child 8 months,
T3:child 18 months