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https/wgu-nxacrobatiqucom/counseware/summative assessment pstat oct14.u3 m2 chec

ID: 3200211 • Letter: H

Question

https/wgu-nxacrobatiqucom/counseware/summative assessment pstat oct14.u3 m2 checkpoint 224n-glorie M Mal RooE Nethe Google Aloeunts osor for students O Weston Governorvu M inbow Points: 10 Question 7 of 7 For their 1992 study The Effect Country Music on suicide (published in Social Forces vol. 71.p. 2111 researchers stack and Gundlach investigated various American communities, of country songs and the suicide rate. They found a moderately strong recording the number of minutes of daily radio airtime devoted to positive correlation. (emphasis added) A news In their paper, the researchers explain the results saying that the themes found in country music foster a suicidal mood But True: Country Music Saps headline mhe Independent [London) by sentiments when it said, "Strange suicide Risk. October 1.2004, p. 15) about the research echoed these such as Country Music Increases will to Live. The research is even cited on various suicide prevention websites, some with headings Based upon this study, can we have confidence that music has a causal effect on suicide? country e Yes, as long as the communities were sampled randomly, and the number of communities (the sample size) was sufficiently large. o Yes, causality is indicated by the moderately strong correlation. o Yes, since different communities listened to different levels of country music, meaningful experimental comparisons can be made o No, because the lack of assignment of communities to different of country music listening there is a a possibility of lurking variables. levels means o No. causality can only be demonstrated by investigating the entire population. My Etraordinaire html Gordon B Muk Program 2017 pg N Muk a

Explanation / Answer

The correct option is

No, because the lack of assignment of communities to different levels of country music listening means there is a possibility of lurking variables.

Because causation only be determined if the explanatory variable is randomly assigned

researchers didn't randomly assign different amounts of country music to be played in different communities.