The Media Rating Council approves the company's use of traditional panel sampling alongside input from millions more homes. By Rick Porter Television Business Editor Nielsen has won accreditation for ...

“On TV & Video” is a column exploring opportunities and challenges in advanced TV and video. Today’s column is by AdExchanger Sr. Editor James Hercher. It wasn’t so long ago that around one-fifth or ...

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. Identifying causal relationships from observational data is not easy. Still, ...