An ovum can be fertilized only during the first 24 hours it leaves an ovary
a. True
b. False
a
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If the intensity of a stimulus that is presented to a touch receptor is increased, this tends to increase the __________ in the receptor's axon.
A. rate of nerve firing B. size of the nerve impulses C. speed of nerve conduction D. All of these are correct.
Which of the following best describes the attitude of most psychologists today toward Freud?
a. ?They question the scientific validity of Freud’s theories. b. ?They adhere closely to Freud’s theories. c. ?They appreciate the extensive scientific research underlying Freud’s theories. d. ?They admire the effectiveness of Freud’s psychoanalysis.
A person tries to call her friend and there is no answer. She waits a little while and tries again, but there is still no answer. She continues to try for the rest of the day, but her friend never answers. Exasperated, she gives up. What is happening to the friend-calling behaviour?
A) It is being negatively reinforced. B) It is being negatively punished. C) It is being extinguished. D) It is being positively punished.
The vivid, detailed recollection of what you were doing when you learned about an emotionally arousing event, like the attacks of September 11, 2001, is called a
a. flashbulb memory. c. flashback memory. b. semantic memory. d. hot flash.