Correlational findings

Study Tyssen et al. (2009): study NO 1993

Physicians followed 9 years after graduating, Norway, 1993-2002
Survey name:
Unnamed study
N = 631
Non Response:
Resp. 17% , 38% at 1 year, 33% at 4 years, 38 % at 9 years.
Questionnaire: paper
Sent after graduating, one year after, 4 years after and 9 years after.


Authors's label
Extraversion trait
Our Classification
Basic Character Inventory (BCI). The intensity dimension from the BCI is based on 9 dichotomous questions(agree/disagree), which is basically a measure of extraversion/introversion, to which author refers as extraversion.
Total scores range from 0 (low) to 9 (high).

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks O-SLu-c-sq-v-7-c Beta = -.04 ns CI95[.08 to +.009]

Beta controlled for:
- age
- gender
- neuroticism
- conscientiousness
- married/cohabitant at T4
- perceived social support at T4
- work stress at T4
- negative life events at T4
- frequency of physical training at T4
- frequency of religious meetings at T4