Following the model of London, England, Center City, USA, decided to install closed-circuit television (CCTV) cameras in a downtown park in hopes of reducing the public's fear of crime. Which technique would be the best choice to determine if fear has in fact decreased?
a. send out a questionnaire to all citizens living in Center City, USA
b. select, via simple random sampling, 20 citizens to interview
c. interview, via reliance on available subjects, citizens that are in the park
d. because you want to measure a "feeling," there is no accurate way to do this
c
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Fill in the blank(s) with correct word
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Indicate whether the statement is true or false
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Fill in the blank(s) with the appropriate word(s).
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Fill in the blank(s) with the appropriate word(s).