See Spring-to-Spring PPM Vs. Diary at Radio Show

See Spring-to-Spring PPM Vs. Diary at Radio Show
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Arbitron Inc. will present spring-to-spring radio audience ratings from the Portable People Meter trial taking place in Philadelphia at the 2002 NAB Radio Show this week. The latest PPM radio data will be compared to Arbitron's diary-based radio audience ratings. Additionally, company executives will also address PPM panel measurement and findings from the recent Arbitron/Edison Media Research Internet 9 study.

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