Study Ouweneel & Veenhoven (1994): study ZZ 1980

Public

Adults, general public, 27 nations, ±1980

Sample

Respondents

N = 27

Non Response

n.a.

Assessment

Interview: face-to-face
Most studies used face-to-face interviews

Correlate

Authors's Label

Demographic characteristics of nation

Our Classification

Operationalization

Index of:
- population size
- birth rate
- death rate
- rate of population increase
- % of population under 15 years

Source:Estes, R.J.-The social progress        of nations (1984, N.Y., Praeger)

Observed Relation with Happiness