Study Ng et al. (2009): study ZZ World samples 2005

Public

15+ aged, general public, 121 nations, 2005-2006

Survey name

INT-GallupWorldPoll2006

Sample

Respondents

N = 125077

Non Response

Assessment

Interview: Computer Assisted Telephone Interview (CATI)
In wealty nations through telephone surveys based on random-digit dialing. In poorer nations door-to-door interviews, randomly-selected.

Correlate

Authors's Label

Rich people (vs poor)

Our Classification

Operationalization

Index of:
A: Logarithm of reported household income.
B: Average of asses to conveniences, yes/no
   Ba:running water
   Bb: a telephone
   Bc: electricity
   Bd: a television
   Be: a computer
   Bf: acces to internet.
C: Basic needs: times in the past year when they did not have enough money for food or shelter (yes/no)

Observed Relation with Happiness