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Correlational findings

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 methods
Behavioral observation and interviews

Correlate

Authors's label
Happiness at age 12 - 18
Our Classification
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

Happiness Measure Statistics Elaboration / Remarks A-CP-mi-tsb-n-7-a = T1 happiness by T2 happiness
             T1 happiness age
             Month    Month    Month    Month
              10-12    13-15    18-24    27-36
A-CP-mi-tsb-n-7-a mr = -.03 T2:a (happiness O-HL)
   a.       -.09(ns) -.07(ns) -.02(ns) +.07(ns)
A-CP-mi-tsb-n-7-a mr = -.11 T2:b (happiness A-AOL)
   b.       -.14(ns) -.21(ns) -.19(ns) +.09(ns)

Computed for girls only (N = 19).