print

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
Speed of movements
Our Classification
Operationalization
Expert rating on the basis of observation of expressive behavior on a 7- point 'slow - rapid' scale.
12 ratings between month 10-36.

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks A-CP-mi-tsb-n-7-a mr = -.07 Boys:
  10-12:  -.18(ns) -.31(ns) -.26(ns) -.39(05)
  13-15:  -.05(ns) -.13(ns) -.07(ns) -.29(ns)
  18-24:  +.06(ns) -.06(ns) +.35(ns) -.02(ns)
  27-36:  +.10(ns) +.05(ns) +.13(ns) +.02(ns)
A-CP-mi-tsb-n-7-a mr = -.01 Girls:
  10-12:  -.02(ns) +.10(ns) +.11(ns) -.07(ns)
  13-15:  -.05(ns) +.10(ns) +.28(ns) -.01(ns)
  18-24:  +.01(ns) -.04(ns) +.06(ns) -.27(ns)
  27-36:  +.02(ns) -.03(ns) -.04(ns) -.27(ns)