Some researchers claim men are not equipped to form an attachment
biological evidence - hormone oestrogen underlies caring behaviour, lack of oestrogen in men - unable to form attachments
Grossman - playmate instead of caregiver
TiffanyField - that fathers can demonstrate sensitive responsiveness and react to needs of children forming an emotional bond
AO3 - supporting evidence for playmate - Geiger. Found fathers play interactions are more exciting but mothers more affectionate and nurturing
AO3 - research that fathers can be caregiver if an intimate marriage.Belsky et al found males who reported higher levels of marital intimacy also displayed an attachment
AO3 - research socially sensitive, abnormalities blamed on parents, mothers feel guilty going to work and single parents pressured