Sears et al. (1957) suggested that caregivers provide food therefore attachment becomes a secondary drive. Why?
The primary drive of hunger becomes associated with the caregiver because the caregiver provides food. Therefore, attachment becomes a secondary drive.
Learning theory makes the claim that infants form attachment to the person who feeds them, Harlow contradicts that because comfort was more important than food
He believed that infants have an innate readiness during the critical period to form an attachment to their caregiver to protect them from harm whilst they are young and vulnerable