Study Pandey (1971): study US 1969

Public

Mentally retarded males, hospital, USA, 196?

Sample

Respondents

N = 149

Non Response

Assessment

Multiple assesment methods
Structured interview, analysis of hospital records, and staff ratings.

Correlate

Authors's Label

Hearing ability

Our Classification

Related specification variables

Operationalization

Rating by the hospital's research staff.

Observed Relation with Happiness