- Highschool pupils, Oakland, USA, 1932, followed from age 12 to 38, 1959
- N = 91
- Non Response:
Lengthy, tests and school photographs. Participants were asked to rate the level of satisfaction in each year of their past life on a graph with values ranging from 1 (low) to 9 (high) and to write in the events and conditions associated with these ratings ("We would like for you to think over your life and then rate each year as to whether it was a high or a low point in your life, i.e., your overall feeling, not necessarily financial success or health, etc., but generally speaking feeling of well-being however determined".)
- Authors's label
- Early versus late maturation
- Our Classification
- Age at which 90% of mature weight was achieved.
Observed Relation with Happiness
Slight difference in recalled happiness at earlier ages.
- early matured females recall teen-age
happiness as less happy.
- early matured males recall teen-age as more
happy: in particular lower class males.