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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 an only child
Our Classification
Operationalization
0. First borns, later borns.
1. Only children.

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks C-BW-c-sq-l-10-a DMt = + ns males:   Mt' =  7.6    Mt' =  7.6    Mt' = 8.0 O-HL-c-sq-v-3-aa G = -.26 p < .01 Males C-BW-c-sq-l-10-a DMt = + ns females: Mt' =  7.9    Mt' =  7.9    Mt' = 7.8 O-HL-c-sq-v-3-aa tau = -.11 p < .01 O-HL-c-sq-v-3-aa D% = 0 ns Females: differences computed on the basis of % 'not too happy'.