The symbol ? represents the _____
a. mean of a sample
b. mean of a population
c. standard deviation of a sample
d. standard deviation of a population
D
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Which of the following is an example of increasing happiness through living a “good life”?
a. ?Chris, whose favorite hobby is tasting different beers from U.S. microbreweries b. ?Melanie, who has participated as a volunteer in the Big Sister program in her city for 7 years c. ?Linda, whose favorite way to spend a relaxing evening is knitting while watching TV d. ?Jackson, who is an engineer by day and a talented guitarist in a bluegrass band on nights and weekends
Which of the following is the best example of negative reinforcement?
a. being put in jail for driving while drunk b. not being allowed to go to the movies on Saturday night c. a spanking for bad behavior d. elimination of pain after taking an aspirin
Evan and Amy are physically attracted to each other and can't stand to be apart. What does their relationship demonstrate?
a. passion c. commitment b. intimacy d. none of these
The basic theory of a _________ distribution is that scores are clustered, or centered, around a central value, and scores are tracked on a bell-shaped curve
a. central b. positive c. skewed d. normal