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Correlational findings

Study Wessman & Ricks (1966): study US 1957 /1

Public:
Male college students, followed 3 years, Harvard University, USA, 1957-60
Sample:
Respondents:
N = 17
Non Response:
37%: 9 dropouts, incomplete; about the same happiness distribution.
Assessment:
Multiple methods
Mood diary kept 30 days and repeated interviews and tests during three years.

Correlate

Authors's label
Amount of sleep
Our Classification
Operationalization
Repeated direct question on number of hours sleep last night; during 6 weeks.

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks A-ARE-md-sqr-v-10-a r = +.25 ns