Estes (1973): study US 1971
- Estes, R.J.
- Determinants of Differential Stress Levels among University Students.
- Journal of the American College Health Association, 1973, Vol. 21, 470 - 476
- University students, mental patients and controls, California, USA, 1971-72
- N = 280
- Non Response
Structured interview and highly structured questionnaire.
Happiness Measure(s) and Distributional Findings
- Full text:
Self report on single question:
"....feeling in good spirits usually..."
- Author's label:
- Good spirits.