What is the American Trends Panel (ATP)? The American Trends Panel is Pew Research Center’s primary source of survey data for U.S. public opinion research. It is a multimode, probability-based survey ...

Starting Sept. 1, viewership data will be based on Big Data+Panel, which has been in the works for years at Nielsen as the ...

This article compares lagged dependent variable (LDV) and change score (CS) methods for analyzing the effect of events in two-wave panel data. The methods are described, and their performances are ...