Which of the following events would fit the DSM description of situations that could lead to posttraumatic stress disorder?
a. The car Ted was driving spun out of control and almost fell off a bridge; in the car, Ted waited helplessly to be rescued.
b. While driving on the interstate, Kevin passes the site of a serious bus accident that is commemorated by a stone monument.
c. The roller coaster ride was faster and had more turns than Alice had been told before she agreed to go on the ride with her friends.
d. The newspaper account of a bank robbery and the resulting gun fight between the robbers and police contained more vivid details than Frank expected.
Answer: a.
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An antecedent stimulus that does not produce a response is linked with a stimulus that does produce the response in a type of learning known as
a. classical conditioning. b. operant conditioning. c. cognitive learning. d. instrumental learning.
Self-efficacy can play a role in dealing with psychological factors through what mechanism?
A. enablement factors B. social support C. reciprocal determinism D. learned optimism
What type of magic was based upon the principle of similarity??
a. ?black b. ?homeopathic c. ?contagious d. ?white
Which of the following statements is true?
a. Signals above the threshold of excitation will prevent a neuron from firing. b. The strength (intensity) of a neuron's action potential depends on the strength of its excitation. c. A neuron fires in response to every message it receives. d. Impulses in myelinated neurons may reach speeds of nearly 400 feet per second.