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Correlational findings

Study Costa et al. (1981): study US 1958

Public
17-97 aged males, visitors of the Gerontology Research Centre, followed ± 10 years Baltimore, USA. 1958-70
Sample
Respondents
N = 117
Non Response
Attrition 79% at T3, mostly among psychologically least adjusted
Assessment
Questionnaire: Paper & Pencil Interview (PAPI)
Filled in during visit at Research Centre.

Correlate

Authors's Label
Thinking introversion
Our Classification
Related specification variables
Operationalization
Factor-score derived from Guilford/ Zimmerman Temperament Survey (GZTS),
by Guilford et al 1976.
Defined by restraint and thoughtfulness

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks C-A-h-sq-v-3-a r = + ns T1 thinking introversion by T1 happiness:
- young(18-49) : r= +.06 ns
- old  (50-97) : r= +.04 ns