The number of Americans who rely solely or mostly on a cell phone has been growing for several years, posing an increasing likelihood that public opinion polls conducted only by landline telephone ...
The Pew Hispanic Center conducted a public opinion study among people of Latino background or descent that was designed to elicit opinions on issues related to the 2010 Census. In order to fully ...
Conducted under the joint direction of Beacon Research (D) and Shaw & Company Research (R), Fox News national surveys include interviews with a representative sample of approximately 1,200 registered ...
In December 2016, NHK introduced a dual frame telephone survey that used mobile phones in addition to conventional land-line phones. This survey method does not weight samples to re-balance the data ...