Study Tuddenham (1959): study US 1934
- Public:
- High school pupils, followed into adulthood, California USA, 1934-53
- Sample:
- Respondents:
- N = 72
- Non Response:
- Assessment:
-
Rating by experts
Clinical ratings of behavior (T1), clinical interviews (T2)
Correlate
- Authors's label
- Cheerful vs glum
- Our Classification
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- Operationalization
- Clinical rating by two independant observers:
T1: Observation on playground by two
female staff members
T2: Ratings onthe basis of clinical
interviews with two psychologists
(interviews with one week interval)