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Nielsen Audio (formerly Arbitron) is a consumer research company in the United States that collects listener data on radio broadcasting audiences. It was founded as the American Research Bureau by Jim Seiler in 1949 and became national by merging with Los Angeles –based Coffin, Cooper, and Clay in the early 1950s. [ 2 ]
Nielsen Media Research ( NMR) is an American firm that measures media audiences, including television, radio, theatre, films (via the AMC Theatres MAP program), and newspapers. Headquartered in New York City, it is best known for the Nielsen ratings, an audience measurement system of television viewership that for years has been the deciding ...
The organization's legal name is National Public Radio and its trademarked brand is NPR; it is known by both names. [11] In June 2010, the organization announced that it was "making a conscious effort to consistently refer to ourselves as NPR on-air and online" because NPR is the common name for the organization and its radio hosts have used the tag line "This ... is NPR" for many years. [11]
The final day of the conventions usually draw the most viewers. Here are the day-by-day Nielsen ratings for the recent conventions: 2024 RNC. 2024 RNC Day 4 - 14.3. 2024 RNC Day 3 - 10.6. 2024 RNC ...
2020 DNC Day 4 - 15.6. 2020 DNC Day 3 - 14.6. 2020 DNC Day 2 - 12.6. 2020 DNC Day 1 - 12.7. Looking back further, average ratings across all convention days have been on the decline since 2008 ...
In radio, Numeris is the main provider of ratings services. The company has traditionally used a diary-based system for tracking radio audience habits and this system is still used in most markets. In Montreal, Toronto, Vancouver, Edmonton and Calgary ratings are now measured using the Portable People Meter (PPM) technology. [7]
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One of Nielsen's best known creations is the Nielsen ratings, an audience measurement system that measures television, radio and newspaper audiences in their respective media markets. In 1950, they acquired the C. E. Hooper company and began attaching recording devices to a statistical sample of about 1200 consumer television sets in the United ...