Study Schaefer & Bayley (1963): study US 1929 /1

Public

Girls, followed from age 0 to 18, Berkely, California, USA, 1929-47

Sample

Respondents

N = 19

Non Response

Assessment

Multiple assesment methods
Observations of behavior and interviews in childhood and adolescence

Correlate

Authors's Label

Emotional tone in babyhood (age 0-3)

Our Classification

Operationalization

T1: age 0-3 (1929)
Clinical ratings on the basis of repeated observations of expressive behavior (AFF 5.1). Ratings were scored on a 7 point scale, that ranged from `happy' to `unhappy'. These ratings were part of wider observations on social and psychological functioning.
Ratings were made in the following ages in months: 10, 11, 12, 14, 15, 18, 21, 27, 30, 36.

T2: age 12-18 (1947)
Happiness assessed in adolescence.
HAP 7.3 based on various interviews and observations in adolescence.

Observed Relation with Happiness