What Was the Main Implication of Harlow's (1959) Research on Attachment

Multiple Choice

What was the main implication of Harlow's (1959) research on attachment in the rhesus monkey?

A) The monkeys raised by siblings were more social than monkeys raised by mothers
B) The monkeys preferred the mothers supplying food than those that offered contact comfort
C) The monkeys preferred mothers on the basis of physical similarity to themselves
D) The monkeys raised by passive mothers were less abusive to other monkeys as adults than those raised by interactive mothers
E) The monkeys preferred the mothers offering contact comfort rather than those that supplied food