Nielsen Media Research
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|Headquarters||85 Broad Street,
Nielsen Media Research (NMR) is an
Nielsen Media Research, once one of the largest media research companies in the world, began as a division of
The Nielsen sample included roughly 1,700 audimeter homes and rotating board of nearly 850 diary respondents, by the early 1980s. Nielsen launched its Nielsen Homevideo Index (NHI) in 1980 to measure cable, pay cable, and VCRs, and the NHI began offering daily cable ratings in 1982. Nielsen’s continued to advance with steady changes into the mid 2000s (decade). Along with changing their counting methods, Nielsen also started emphasizing their sample in 2003 in reaction to census shifts and requests from some industry sectors. Nielsen’s automated Local People Meter (LPM) technology was introduced in New York and Los Angeles. The LPM improved the method of measurement from active and diary-based to passive and meter-monitored. More importantly, the LPM provides accurate measurements to particular local markets, verse a nationwide sample from the People meter. While diary-based surveys concentrated on quarterly sweeps periods, the industry has been pushed toward year-round measurement, due to the automated LPM system.
In 1996 Nielsen Media Research began tracking computer, internet, and video game usage through telephone surveys. 
Recently, Nielsen announced the launch of its A2M2 project that would measure television viewing in and out of the home.[
Nielsen Media Research is a sister company to Nielsen NetRatings, which measures
Nielsen also conducts market research for the film industry through National Research Group (NRG).