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Correlational findings

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
Nationality
Our Classification
Operationalization
0 Japanese
1 American

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks A-CA-mi-tsb-v-0-a rpc = + s Hedonic level assessed by time sampling of happy and unhappy vocal utterances.

-Happy vocal    rpc=+.51 (001)
-Unhappy vocal  rpc=-.33 (05)

Rpc controlled for father's occupation (salaried or independent) and sex.

American baby's are more active and happily vocal while Japanese baby's are passive with occasional unhappy vocalization. This different style of infant's behavior coincides with a different style of mother's care; The American mother does more looking at and chatting to her baby while the Japanese mother does more lulling, caring and rocking her baby.