Final answer:
Statistical Research's Inc.'s RADAR provides network audience measures and estimates for network audiences for all commercials, and does not measure individual commercial viewership. It supports strategic advertising and programming decisions and is indicative of the broad role audience measurement plays in media and market trends.
Step-by-step explanation:
Statistical Research's Inc.'s RADAR does not measure the audience for individual television commercials on various programs. Instead, as evidenced by the information from Nielsen and other industry analysis, its primary function is to provide network audience measurements and to estimate network audiences for all commercials, rather than for specific ads. Television advertising is a critical avenue for marketers to reach target demographics, utilizing detailed data garnered by networks and cable companies. It's important to note the distinction between industry-standard ratings like Nielsen, which are based on scientific market research, versus polls from specific television shows which may not be representative of the general population.
Harris Interactive, a subsidiary of Nielsen, employs polling data and interviews to help predict market trends, further illustrating the importance of audience measurement in television. The data suggest that while traditional television advertising has seen declines due to advances in technology, like recording devices, viewer preferences still heavily inform programming decisions and advertising strategies. This is also true for radio, which may be less effective overall but still holds relevance, especially in localized markets.
Therefore, the correct answer is: D. provides network audience measures, along with estimates of network audiences for all commercials.