The Harlow Experiments to Discover the Effects of Social Isolation

Multiple Choice

The Harlow experiments to discover the effects of social isolation on rhesus monkeys showed that

A) monkeys isolated for six months were highly fearful when they were returned to their group.
B) isolated monkeys able to cling to terry cloth,artificial mothers developed normally.
C) even several days of social isolation permanently damaged infant monkeys.
D) All of these responses are correct.