A teacher gives her class at least one unannounced quiz every week. The students never know which day it will fall on. The teacher is attempting to influence their study habits by using a _____
a) variable-ratio.
b) fixed-ratio.
c) variable-interval.
d) fixed-interval.
Answer: c
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Which of the following individuals is likely to have a longer-than-usual circadian rhythm?
a. ?Lisa, who has to get up every morning at 6:30 a.m., just before sunrise, to teach classes that begin at 8:00 a.m. b. ?Dan, who has worked on a submarine far below the surface of the water for the last 3 months. c. ?Jennifer, who works a usual 9 to 5 shift most days but is occasionally asked to work an overnight shift. d. ?Ira, who spends most of his days working inside the “Bird House” at his city’s local zoo.
Derrick was very excited about college as a freshman. His biggest concern was fitting in. During his first semester, he was introduced to the social game of "beer pong" and found that being a member of the dorm team helped him gain acceptance
Now, Derrick enjoys "beer pong" every weekend. So far, there have been no negative consequences. How would you classify this behavior or the basis of what you know? A) Substance abuse B) Substance use C) Substance intoxication D) Substance dependence
Which of the following is not a psychophysiological measure discussed in your textbook?
a. EMG b. MRI c. PET d. Exercise intensity
Which older person does NOT need to worry about financing long-term care?
A) Sven, who lives in Norway B) Starratt, who lives in the United States C) So Ling, who lives in China D) So Lu, who lives in Korea