When infants are placed in the middle of a visual cliff, they usually

a. remain still.
b. move to the shallow side of the apparatus.
c. move to the deep side of the apparatus.
d. approach their mothers when called, whether that requires moving to the shallow or deep side.

Ans: b. move to the shallow side of the apparatus.

Psychology

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"If an operant response is made and followed by a reinforcing stimulus, the probability that the response will occur again is increased.". This statement defines (the)

a. Law of Parsimony. b. Law of Effect. c. Thorndike's Law. d. Pavlov's reinforcement principle.

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Projected average life expectancy for all individuals born in the United States in 2007 was

a. 67.8 years b. 77.9 years c. 79.9 years d. 82.3 years e. none of these

Psychology