Study Diener et al. (2002a): study ZZ World samples 1980

Public

College students, 31 nations, 1980's

Sample

Respondents

N = 13113

Non Response

Assessment

Questionnaire: Paper & Pencil Interview (PAPI)

Correlate

Authors's Label

Happiness

Our Classification

Operationalization

Selfreport on single question:
Considering your life as a whole, would you describe it as....:?"
1  very unhappy
2
|   unhappy
3
4  an even mixture of unhappiness and happiness
5
|  happy
6
7  very happy
-  no opinion

Observed Relation with Happiness