- Female university students, members of a sorority, USA, 1940
- N = 30
- Non Response:
Questionnaires completed by subjects and friends
- Authors's label
- Our Classification
- Peerrating by sorority members for 'changeableness of mood'.
Rating by ranking in a randomly assigned group of 15 Ss.
Observed Relation with Happiness
Least moody:mean rank =9.9
Most cheerfull rank 1, least 15