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

Object Environment

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

Observer's rating of objects around the child.
a Responsivity (degree of possible changes in the object as result of infant's actions, e.g. change in form or sound)
b Complexity (number of distinct parts, colors or textures of each)
c Variety (number of play objects)

Objects have been chosen by mother.

Observed Relation with Happiness