Study Schaefer & Bayley (1963): study US 1929
- Public
- Children followed from age 0 to 18, Berkeley, California, USA, 1929-47
- Sample
- Respondents
- N = 54
- Non Response
- 13% drop-outs (7 children and their mothers)
- Assessment
-
Multiple assesment methods
Behavioral observation and interviews
Correlate
- Authors's Label
- Happiness at age 12 - 18
- Our Classification
-
-
- Remarks
- T1-T2 difference 10-17 years
- Operationalization
- T1: (1929)
Happiness,(hedonic level) rated 12 times between 10-36 months of age. Ratings combined: measered A-CP months 10 + 11 + 12 / 13 + 14 + 15 / 18 + 21 + 24 / 27 + 30 + 36.
T2: (1947)
Ratings by two judges on the basis of notes from observations and interviews between age 12-18. (inter-rater agreement rather low)
a. 4-item index involving:
- discontented
- unhappy
- dissatisfied
- complains O-HL
b. 2-item index involving:
- gloomy
- not cheerful A-AOL
Observed Relation with Happiness
T1 happiness age
Month Month Month Month
10-12 13-15 18-24 27-36
a. -.09(ns) -.07(ns) -.02(ns) +.07(ns)
b. -.14(ns) -.21(ns) -.19(ns) +.09(ns)
Computed for girls only (N = 19).