print

Correlational findings

Study VanSluijs (2004): study NL 1987

Public
Young adults, followed from age 18 to 30, The Netherlands, 1987-1999
Sample
Respondents
N = 836
Non Response
36,6% (baseline)
Assessment
Interview: face-to-face
Face to face interviews, questionnaires, telephone interviews (1999)

Correlate

Authors's Label
Extraversion
Our Classification
Remarks
Assessed at T1 (1987) and T3 (1991)
Operationalization
Selfreport on 5 questions:
- It is easy for me to liven things up
- I am a talkative person
- People think I am a very lifely person
- I can easy lighten up a boring party
- I tend to stay in the background in the company of other people.

Rated: 1 not applicable at all, to 7 completely applicable. The answers were summed up and changed to a 10 point scale.

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks M-CO-cy-mq-v-7-b b = B's indicate average difference between more and less extraverted Ss over this 12 year period M-CO-cy-mq-v-7-b b = +.07 p < .001 B controlled for personal characteristics:
- age
- age²
- gender
- education
- cohort 1965 vs cohort 1961
- cohort 1969 vs cohort 1961
- mental health
- neuroticism M-CO-cy-mq-v-7-b b = +.07 p < .001 additional controlled for lifecourse events (happened or not):
- first job
- no job
- left parental home
- living together/marriage first partner
- divorce from first partner
- living together/marriage second partner
- having first child M-CO-cy-mq-v-7-b b = +.07 p < .001 additional controlled for years since transition:
- first paid job
- no job
- leaving parental home
- living together/marriage first partner
- divorce from first partner
- living together/marriage second partner
- having first child

Unaffected by gender