| 內容簡介 | Unravel the mystery, science and art of ratings for TV, Radio and the Internet. This program is a valuable instructional aide for mass communications and media instructors. Topics covered in the program include: early rating systems, Nielsen - equipment, methodology, reports, adapting to industry changes, arbitron, other ratings services, measurement calculation, how ratings are used, audience and other forms of feedback, financial issues and the future with the Internet.
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