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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
Activity
Our Classification
Operationalization
Expert rating on the basis of observa- tion of expressive behavior on a bipo- lar 7-point 'inactive - vigorous' scale. 12 ratings between month 10-36 of age.

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks A-CP-mi-tsb-n-7-a = Happiness (hedonic level) was rated 12 times between 10-36 months of age. Ratings combined: months 10 + 11 + 12 / 13 + 14 + 15 / 18 + 21 + 24 / 27 + 30 + 36.
Correlations in r: mr is average r

             Months   Months   Months   Months
             10-12    13-15    18-24    27-36
A-CP-mi-tsb-n-7-a mr = +.08 Boys  10-12:-.08(ns) -.18(ns) -.06(ns) -.27(ns)
      13-15:-.02(ns) +.03(ns) -.01(ns) -.17(ns)
      18-24:+.19(ns) +.24(ns) +.65(05) +.29(ns)
      27-36:+.25(ns) +.07(ns) +.21(ns) +.14(ns)
A-CP-mi-tsb-n-7-a mr = +.11 Girls 10-12:+.03(ns) +.11(ns) +.07(ns) -.07(ns)
      13-15:+.01(ns) +.09(ns) +.29(ns) +.10(ns)
      18-24:+.07(ns) +.12(ns) +.34(ns) +.01(ns)
      27-36:+.06(ns) +.02(ns) +.20(ns) +.23(ns)
A-CP-mi-tsb-n-7-a = A-CP-mi-tsb-n-7-a =