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

Later characteristics (at 12-18 yearsof age)

Our Classification

Operationalization

Ratings by two judges on the basis of notes from observations in test situations at different ages.
Ratings were made by means of 96 adjective scales (7-point), which were clustered
afterwards.

a. Timid, compliant, inhibited, lacks confidence.

b. Courteous, conscientious, dependable,
respectful, conservative.

c. Tactful, calm, contented, appreciative, considerate, patient, refined in taste.

d. Friendly, cheerful

e. Social in situation, natural

f. Independent, talkative, assertive, takes initiative, outgoing.

g. Bold, boastful, excitable, impulsive, pleasure-loving, distractible, uninhibited, show-off.

h. Irritable, domineering, pugnacious, noisy, demanding, not dependable.

i. Rude, critical, opinionated, complains, defiant.

j. Hostile, destructive

k. Cold, suspicious, unfriendly

l. Reserved, uncommunicative.

Observed Relation with Happiness