In a study investigating the effects of two different types of music on students' test performance, the music represents the
A. independent variable.
B. intervening variable.
C. dependent variable.
D. applied variable.
A. independent variable.
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Grace's care needs have increased since her husband's death. She has moved into an independent housing unit that is supported by medical providers as needed. What kind of residence is this?
A. adult day-care facility B. assisted-living facility C. skilled-nursing facility D. commune
Beginning in 1986, the federal government launched a massive campaign based on anti-drug policies, locker searches, etc., to promote
A. affective education. B. increased drug knowledge. C. social skills. D. "Drug-Free" schools.
A _______________ is a statistical measure that provides, with a specified probability, a range of values within which the mean of a population is likely to lie
a. confidence interval b. standard deviation c. significance test d. descriptive statistic
Regarding children's exposure to the media, which of the following statements is FALSE?
a. Today's children and young adults spend less time in the classroom than they do engaged with various media, including television, video games, movies, the Internet, music, and print. b. By the time the average American has graduated from high school, she or he will have "witnessed" thousands of murders and countless acts of robbery, arson, bombing, torture, and beatings in the media. c. G-rated cartoons average 30 minutes of violence per hour. d. Experiencing media violence does not invariably "cause" any given person to become more aggressive, but it can make aggression more likely.