NEW YORK—In a move that will help Nielsen get its measurement service reaccredited and prepare for the full launch of Nielsen One, Nielsen has announced that its U.S. National TV panel reached 42,000 ...

With the coming of its new cross-platform media-measurement service Nielsen One next year, Nielsen says all its media panels have seen growth -- including its highly scrutinized national TV panel, ...

In a report out today, the Video Advertising Bureau alleges significant discrepancies in Nielsen’s data-backed audience measurement methodology that serves as a basis for buying and selling TV ads.

A massive part of the conversation around sports ratings and all their attendant sports business impacts on rights deals, advertising prices, and beyond is how they’re measured. While there are ...