Nielsen's RADAR collects information on radio audiences through diary interviews, making option D the correct answer. The other options are incorrect as RADAR is specifically designed to estimate the audience for commercials on various programs, is not sponsored by any advertisers, does not primarily measure TV viewership for local TV stations, and issues its report four times a year instead of monthly.

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Nielsen's RADAR

Question 125

Multiple Choice

Nielsen's RADAR

A) cannot be used to estimate the audience for commercials on various programs.
B) is sponsored by nine of the largest advertisers in the nation.
C) primarily measures TV viewership for local TV stations.
D) is based on information collected by means of diary interviews.
E) collects information and issues a new report every month.

Correct Answer: