Harry Harlow Studied the Early Development of Infant Monkeys Who

Multiple Choice

Harry Harlow studied the early development of infant monkeys who were placed in cages with two surrogate mothers, one made of metal that was a milk source and one that had no milk but was made of soft terrycloth. Harlow found that that these infant monkeys developed attachments with:

A) the wire surrogate with the milk supply
B) the terrycloth surrogate without the milk supply
C) neither of these surrogate mothers
D) both of these surrogate mothers