Study Demir & Weitekamp (2007): study US 2007

Public

University students, USA, 2007

Sample

Respondents

N = 423

Non Response

Assessment

Questionnaire: Paper & Pencil Interview (PAPI)

Correlate

Authors's Label

Extraversion

Our Classification

Error Estimates

α = 0.82

Remarks

Extraversion scale of Big Five Inventory (BFI, John & Srivastava, 1999)

Distribution

mean 3.44, SD 0.75

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