Study Demir & Weitekamp (2007): study US 2007

Public:

University students, USA, 2007

Sample:

Respondents:

N = 423

Non Response:

Assessment:

Questionnaire: paper

Correlate

Authors's label

Extraversion

Our Classification

Operationalization

Selfreport on 8 questions:
- is talkative
- is reserved
- is full of energy
- generates a lot of enthusiasm
- tends to be quiet
- has an assertive personality
- is sometimes shy, inhibited
- is outgoing, sociable

Rated 1 (disagree strongly) to 5 (agree strongly)

Observed Relation with Happiness