Fifteen out of 60 participants scored between 17 and 21 on a test. What is the relative frequency of the class interval 17-21?
a. .25
b. .15
c. .60
d. .04
e. .45
A
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Russ has just solved eight multiplication problems in a row. When he gets to the ninth problem, he does not notice the plus (+) sign in the problem and multiplies instead of adds. Russ's error can best be explained by which one of the following?
A. He used an algorithm when he should have used a heuristic. B. He brought an inappropriate response set to the problem. C. He engaged in divergent thinking when he should have engaged in convergent thinking.} D. He used a heuristic when he should have used an algorithm.
Phyllis tends to wear very revealing clothing, spends a great deal of time on her appearance, is constantly "fishing" for compliments, and is easily hurt if someone does not compliment her beauty and fashion sense on a daily basis. According to Freud, Phyllis was fixated at the
a. anal stage. b. phallic stage. c. latency period. d. genital stage.
For many people, a better way to increase a desirable behavior than covert reinforcement is to use
a. mild punishment. b. covert sensitization. c. direct reinforcement. d. self-directed desensitization.
Some theorists believe that a general slowing of __________ underlies nearly all age-related declines in cognitive performance
A) processing speed B) synaptic connections C) verbal IQ D) central nervous system functioning