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Correlational findings

Study Polit et al. (1980): study US 1975

Public:
Couples, white, middle/upper class, USA, 1975
Sample:
Respondents:
N = 1074
Non Response:
Assessment:
Interview: face-to-face
Wives: face to face interview, husbands: mailed questionnaire.

Correlate

Authors's label
Being a first born child
Our Classification
Operationalization
0. Later-borns
1. First-borns

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks O-SLu-c-sq-v-3-b D% = + Males only. C-BW-c-sq-l-10-a DMt = 0 ns males:       Mt'  = 7.6    Mt' = 7.6 C-BW-c-sq-l-10-a DMt = 0 ns females:     Mt'  = 7.9    Mt' = 7.9
Only children left out