Does viewing a violent movie lead to violent behavior? If so
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Does viewing a violent movie lead to violent behavior? If so, the incidence of violent crimes, such as assaults, should
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Does viewing a violent movie lead to violent behavior? If so, the incidence of violent crimes, such as assaults, should rise following the release of a violent movie that attracts many viewers. Alternatively, movie viewing may substitute for other activities (such as alcohol consumption) that lead to violent behavior, so that assaults should fall when more viewers are attracted to the cinema. On the textbook website, www .pearsonglobaleditions.com/Stock_Watson, you will find the data file Movies, which contains data on the number of assaults and movie attendance for 516 weekends from 1995 through 2004.5 A detailed description is given in Movies_Description, available on the website. The dataset includes weekend U.S. attendance for strongly violent movies (such as Hannibal), mildly violent movies (such as Spider-Man), and nonviolent movies (such as Finding Nemo). The dataset also includes a count of the number of assaults for the same weekend in a subset of counties in the United States. Finally, the dataset includes indicators for year, month, whether the weekend is a holiday, and various measures of the weather. a. i. Regress the logarithm of the number of assaults [ln_assaults = ln(assaults)] on the year and month indicators. Is there evidence of seasonality in assaults? That is, do there tend to be more assaults in some months than others? Explain. ii. Regress total movie attendance (attend = attend_v + attend_m + attend_n) on the year and month indicators. Is there evidence of seasonality in movie attendance? Explain. b. Regress ln_assaults on attend_v, attend_m, attend_n, the year and month indicators, and the weather and holiday control variables available in the data set. i. Based on the regression, does viewing a strongly violent movie increase or decrease assaults? By how much? Is the estimated effect statistically significant? ii. Does attendance at strongly violent movies affect assaults differently than attendance at moderately violent movies? Differently than attendance at nonviolent movies? iii. A strongly violent blockbuster movie is released, and the weekend
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