Grossman's Aim: Carried out a longitudinal study looking at both parents' behaviour and its relationship to the quality of children's attachment into their teens
Grossman's 1st Finding: The quality of infants' attachment with their mothers, but not their fathers, was related to the childrens' attachments in adolescence
Conclusion: Fathers' attachment is less important than the mothers
Grossman's 2nd Finding: Quality of father's play with infants was related to the quality of the children's adolescent attachments
Conclusion: Fathers have a different role in attachment - one that is more to do with play and stimulation, and less to do with nurturing, but is still important for the child's wellbeing
Field's Aim: To investigate the role of the father in attachment
Field's Method: Controlled observation
Field's Procedure: Filmed 4 month old infants in face to faceinteractions with primary caregiver mothers, primary caregiver fathers and secondary caregiver fathers
Field's Findings: Primary caregiver fathers, like mothers, spent more time smiling, imitating and holding infants than the secondary caregiver fathers - this behaviour seems to be more important in building an attachment to an infant
Field's Conclusion: Fathers can be the more nurturing attachment figure and take on a traditionally maternal role - the key to attachment is the level of responsiveness, not the gender of the parent