Harlow's study of infant rhesus monkeys showed that:
A) surrogate mothers who were cold to the touch but provided food and water produced the strongest attachment responses.
B) surrogate mothers who were soft to the touch but did not provide food and water produced the strongest attachment responses.
C) early imprinting led to the strongest attachments of monkeys to their surrogate mothers.
D) surrogate mothers who were inconsistent in providing food and water produced the weakest attachment responses.
Answer: B
Rationale: Harlow famously showed that infant monkeys formed attachments with surrogate "mothers" covered in soft terrycloth, not the wireframe ones that provided food.
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