Study Schaefer & Bayley (1963): study US 1929 /1

Public:

Girls, followed from age 0 to 18, Berkely, California, USA, 1929-47

Sample:

Respondents:

N = 19

Non Response:

Assessment:

Multiple methods
Observations of behavior and interviews in childhood and adolescence

Correlate

Authors's label

Cheerfulness

Our Classification

Operationalization

Rating by four judges on the basis of notes on observations and interviews between age 12-18.

Ratings were made on two bi=polar 7 point adjective scales. Sumscore based on ratings of:
- gloomy
- not cheerfull

Observed Relation with Happiness