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Correlational findings

Study Hartog & Oosterbeek (1998): study NL 1952

Public:
41 aged, Brabant, the Netherlands, followed 1952-1993
Sample:
Respondents:
N = 1893
Non Response:
53,6%
Assessment:
Questionnaire: paper
Mailed questionnaire at T3.

Correlate

Authors's label
Mathematical ability at age 12
Our Classification
Operationalization
Score on mathmematical ability test at age 12

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks C-BW-c-sq-n-11-a = T1 MATHEMATICAL ABILITY by T2 Happiness
(29 years difference);
C-BW-c-sq-n-11-a OPRC = +.20 ns OPRC controlled for:
-gender
C-BW-c-sq-n-11-a OPRC = -.03 ns OPRC additionally controlled for:
-schooling
-social background.
C-BW-c-sq-n-11-a OPRC = -.09 ns OPRC additionally controlled for:
-family status,
-labour market status
-self perceived health
-wealth.

OPRC (Ordered Probit Regression Coefficient) cannot be interpreted as an absolute effect-size. The coefficients only denote relative differences in (not-significant) correlation between mathematical ability and future happiness.