Study Berkman (1971): study US Alameda County, California 1965

Public

Adults, general public, Alameda County, USA, 1965

Sample

Respondents

N = 6928

Non Response

Assessment

Questionnaire: Paper & Pencil Interview (PAPI)
Mailed questionnaire

Correlate

Authors's Label

Poor interpersonal relations

Our Classification

Operationalization

2-item index containing:
- the number of good friends
- the number of organizational member-
  ships.
Rated as good(0) and poor(1)

Observed Relation with Happiness