Study Spreitzer et al. (1975): study US 1973

Public:

18+ aged, general public, USA, 1973

Survey name:

US-NORC

Sample:

Respondents:

N = 1500

Non Response:

-

Assessment:

Interview: face-to-face
Structured interview

Correlate

Authors's label

Never married vs widowed

Our Classification

Operationalization

0. Widowed
1. Married

Observed Relation with Happiness