Nielsen ratings subsequently expanded into radio market analysis in the late 1930s, culminating in the Nielsen Radio Index in 1942, which was meant to provide statistics as to the markets of radio shows.
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18 Facts About Nielsen ratings
1.
2.
In 1950, Nielsen ratings then moved to television, developing a rating system using the methods he and his company had developed for radio.
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3.
In September 2020, Nielsen ratings started compiling a weekly Top 10 list of most-watched shows on streaming platforms.
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4.
In 2005, Nielsen ratings began measuring the usage of digital video recording devices such as TiVos.
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5.
In July 2017, Nielsen announced that it would include select programs from subscription-based video on demand services Hulu and YouTube TV in its Digital in TV Ratings system.
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6.
In 2014, Nielsen ratings reported that American viewership of live television had dropped 12 minutes per day compared to the year before.
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7.
Nielsen ratings reported several reasons for the shift away from live television: increased viewership of time-shifted television and viewership of internet video.
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8.
Since specific demographics influence advertising rates, Nielsen ratings provides statistics by categories including age, gender, race, economic class, and area.
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9.
Nielsen ratings provides viewership data calculated as the average viewership for only the commercial time within the program.
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10.
Additionally, Nielsen ratings provides different "streams" of this data in order to take into consideration delayed viewing data, at any interval up to seven days.
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11.
American television measurement by Nielsen ratings is based on three different methodological approaches.
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12.
Each year until 2018, Nielsen ratings processed approximately two million paper diaries from households across the United States, for November, February, May, and July— known as the "sweeps" rating periods.
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13.
The term "sweeps" dates from 1954, when Nielsen ratings collected diaries from households in the Eastern United States first; from there they would "sweep" west.
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14.
In June 2006 Nielsen ratings announced a plan to revamp its entire methodology to include all types of media viewing in its sample.
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15.
In 2005, Nielsen ratings announced plans to incorporate viewing by away-from-home college students into its sample.
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16.
However, Nielsen ratings countered the campaign by revealing its sample composition counts.
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17.
In 2011, CBS and Nielsen ratings proposed a model consisting of six viewer segments, which according to their empirical research, are more relevant for advertisers than older models based on gender and age.
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18.
In September 2020, Nielsen ratings began releasing a weekly list of top 10 television shows most watched on streaming platforms or subscription video on demand.
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