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Correlational findings

Study Blake (1981): study US 1972

Public:
Adults, general public, English-speaking, USA, 1972-1978.
Sample:
Respondents:
N = 10652
Non Response:
-
Assessment:
Interview: face-to-face

Correlate

Authors's Label
Only child
Our Classification
Operationalization
0 Not only child
1 Only child

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks O-HL-u-sq-v-3-da DM = 0 Compared to subjects with one or two siblings.
 O-HL-u-sq-v-3-da DM = + Compared with subjects with six or more siblings.
Differences controlled for social and economic status.