Cook Qualified Earlier Attachment-Work by Shaver and Others and Showed

Cook qualified earlier attachment-work by Shaver and others and showed that attachment is very complex when he reported

A) attachment security level can be relationship specific
B) attachment security level is unaffected by with whom one attaches
C) attachment security level is not reciprocated by the target of attachment
D) attachment styles can change from one age period to the next and to accommodate relations with other variables