NEW YORK--(BUSINESS WIRE)--Maintaining its commitment to the highest quality in online research, GfK will increase the size of KnowledgePanel® by a third in 2013. Now in its 15th year, KnowledgePanel ...

The analysis in this report is based on an online survey conducted September 12-18, 2014 among a sample of 1,066 adult internet users, 18 years of age or older. The survey was conducted by the GfK ...

The analysis in this report is based on an online probability survey conducted September 12-18, 2014 among a sample of 1,066 adult internet users, 18 years of age or older. The survey was conducted by ...

In the US, Ipsos has acquired GfK's probability-based online panel, for an undisclosed sum, and added it to the Ipsos Public Affairs division. In October, Ipsos completed the acquisition of four ...