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TV Networks Demand Third-Party Audit in Escalating Feud With Nielsen

Industry group had previously alleged an audience undercount

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An industry group representing major television networks is demanding that Nielsen have its measurement homework checked.

The Video Advertising Bureau (VAB), which represents companies like A+E Networks, Disney, Fox, NBCUniversal and ViacomCBS, is demanding that the measurement firm submit to a third-party audit to verify the accuracy of Nielsen’s audience measurement from March 2020 through March 2021. The request comes after the VAB accused Nielsen of “systematic and compounded undercounting of overall TV use” over the course of the pandemic last week due to the way it managed its panel, which comprises an essential part of Nielsen ratings.




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