Study DeNeve et al. (2012): study US 2001

Public

Young adults, USA, 2001

Sample

Respondents

N = 15197

Non Response

13

Assessment

Interview: face-to-face
At home

Correlate

Authors's Label

Monozygotic vs same sex dizygotic twins

Our Classification

Distribution

1: N= 217;0: N= 219

Operationalization

1. monozygotic (MZ)twins
2: dizygotic (DZ)twins

Observed Relation with Happiness