Wynn found that young infants stare longer at "impossible" outcomes than at possible ones. She concluded that the infants
a. are confused about what is possible and what is not.
b. become annoyed when adults control what they see.
c. know nothing at birth, but learn quickly within weeks.
d. understand about object permanence.
D
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State the following research question as a null hypothesis: Is grade category (A–F) related to year in college (first, sophomore, junior, senior)?
What will be an ideal response?
Alcoholics Anonymous (AA) has been shown to be, by far, the most effective treatment for alcoholism.
a. True
b. False
Indicate whether the statement is true or false
Paul's mother strokes his hair just before he breastfeeds. Now, whenever Paul's mother strokes his hair, Paul begins to make sucking motions. The stroking is the __________, and the presence of the breast is the __________.
A. conditioned stimulus; neutral stimulus B. unconditioned stimulus; conditioned stimulus C. neutral stimulus; unconditioned stimulus D. neutral stimulus; conditioned response
Donato and Quincy are identical twins who were separated at birth. Donato tends to be fearful of many things and can easily be made to feel guilty. If these same qualities were evaluated in Quincy, you would expect that he would have _______ levels of fear.
What will be an ideal response?