Study Klein (1984): study IL Petah Tikva 1980

Public

6 months aged infants, Israel, followed from 1980-1981

Survey name

Unnamed study

Sample

Respondents

N = 40

Non Response

Assessment

Questionnaire: Paper & Pencil Interview (PAPI)

Correlate

Authors's Label

Mother's Contingencies

Our Classification

Remarks

Infants and their mothers were observed at their homes two times within 2weeks around the infant's 6-months-birthday and the 12-months-birthday. Observations were video-taped and include half-minute observations followed by 1-min recording time focusing on specific mother-child and child-environment interactions.

Operationalization

Mother's contingent responses to the infant's
a positive vocalization
b signs of distress

Observed Relation with Happiness