Harlow and Colleagues' Studies with Infant Rhesus Monkeys Reared in Isolation

Multiple Choice

Harlow and colleagues' studies with infant rhesus monkeys reared in isolation demonstrated that, compared to monkeys reared normally with their mothers, those reared in isolation and then placed with other monkeys

A) rose into leadership positions.
B) died early of unusual infections.
C) were unable to communicate effectively with other monkeys.
D) had intense attachments to the other monkeys.