Study Simmons et al. (1977): study US 1972 /1

Public:

8-20 aged renal (ex-)patients and controls, USA, 1972-1973

Sample:

Respondents:

N = 144

Non Response:

Assessment:

Questionnaire: paper

Correlate

Authors's label

Severity of renal disease

Our Classification

Operationalization

a   physician's rating
b   mothers's rating
c   patient's own rating

Observed Relation with Happiness