Studied 60 babies from Glasgow, working class families. Babies and mothers visited at home every month for 1st year and at 18 months. Mothers asked about separation and stranger anxiety
Findings of Schaffer and Emerson (1964)
50% babies showed separation anxiety to usually the mother at 25-32 weeks 40 weeks
80% had specific attachment, 30% had multiple attachments
Evaluation of Schaffer & Emersons stages of attachment
STRENGTH: High ecological validity - the study was a naturalistic observation
LIMITATION: Research may have been prone to observer bias
LIMIATION: Results may have been prone to socialdesirability bias
