Study Caudill & Weinstein (1969): study ZZ East-West pairs 1961
- Public
- Infants and first born in intact middle class families, Japan and USA, 1961-64
- Sample
- Respondents
- N = 60
- Non Response
- Assessment
-
Behavioural observation
Observation of mothers and infants at home
Correlate
- Authors's Label
- Male sex
- Our Classification
-
-
- Operationalization
- 0 female
1 male
Observed Relation with Happiness
-Happy vocal rpc=+.14 (ns)
-Unhappy vocal rpc=-.03 (ns)
Rpc controlled for nationality (American or Japanese) and father's occupation (salaried or independent).