Study Stillman et al. (2015): study ZZ Various nation sets 2005

Public

18-45 aged, general public, New-Zealand and Tonga, 2005-2008

Survey name

INT-PacificI slands-NewZealand Migration Survey

Sample

Respondents

N = 254

Non Response

66%

Assessment

Interview: face-to-face

Correlate

Authors's Label

Migration

Our Classification

Remarks

T1: 2005 (on average 11 months after migration). T2: 2008 (on average 33 months after migration). Migrants were randomly selected (experimental set-up)

Operationalization

A lottery was conducted among people who subscribed to emigrate from Tonga to New Zealand. In this lottery, about 10% is randomly assigned to move to New Zealand.They can only truly move in case they have obtained a full-time job in New Zealand within 6 months. It results in three groups:
1: Migrants: This were the winners in the lottery who truly moved  from Tonga to New Zealand.
0: Non-migrants:
    a) The persons who lost in the lottery.
    B) Winners in the lottery who were still in New Zealand at the time of the survey.

Observed Relation with Happiness