Harry Harlow and His Colleagues Completed a Number of Studies

question 251

Multiple Choice

Harry Harlow and his colleagues completed a number of studies in which baby macaque monkeys were raised with two artificial surrogate mothers. One of the mothers was made of wire, and the other was made of soft cloth. Either mother could provide food. Harlow found that when the infant monkeys were startled or frightened, they:

• A)preferred whichever surrogate that provided food.
• B)avoided both surrogates and huddled in a corner.
• C)preferred the cloth surrogate, even if it provided no food.
• D)showed no clear preference, and ran to whichever surrogate was closer.

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Definitions:

Age

A measure of time that an individual has been alive, typically expressed in years.

Midterm

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Relationship

The way in which two or more concepts, objects, or people are connected, or the state of being connected.

Percentages

A way of expressing numbers as fractions of 100, used to describe proportions.