Tuddenham (1959): study US 1934
- Tuddenham, R.D.
- The Constancy of Personality Ratings over Two Decades.
- Genetic Psychology Monographs,1959, Vol. 60, 3 - 29
- High school pupils, followed into adulthood, California USA, 1934-53
- N = 72
- Non Response:
Rating by experts
Clinical ratings of behavior (T1), clinical interviews (T2)
Happiness Measure(s) and Distributional Findings
- Full text:
Clinical rating of cheerfulness:
Based on independent interviews by two psychologists with one week interval.
Rating cheerful - glum on 9 step scale (rating scale not reported)
- Author's label:
- Error estimates:
- Reliability: interrater agreement: T1: boys r=+.66 girls r=+.80 T2: men r=+.78 women r=+.78 Validity: