Nielsen ratings scandal widens; Univision executive implicated

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Nielsen has widened its investigation into a ratings scandal in Los Angeles and uncovered evidence that a Univision Communications radio executive allegedly has been manipulating the ratings.

The measurement giant confirmed that the Los Angeles ratings scandal was larger than the company first thought.

Nielsen has sought to downplay the incident by saying there was only one problematic household in Nielsen's audience pool in Los Angeles. However, acting on a tip from a radio station insider, Nielsen widened its probe.

Nielsen determined that there were problems with a second house that participated in the sample audience. Nielsen discovered that an executive with Spanish-language media giant Univision Communications had access to Nielsen measurement devices called portable people meters.

“Subsequent to last week’s announcement about the delay in Los Angeles PPM Radio data, Nielsen has learned that a media affiliated household participated in the Los Angeles sample," Nielsen said, calling the breach "a serious violation of data integrity standards."

Nielsen ratings scandal widens; Univision executive implicated