Survey Statistics: Pew Research finds “No Easy Fix for Bogus Respondents in Online Opt-In Polls”
Andrew Gelman Blog1w4 min read
I just read the Pew Research Center’s new report “No Easy Fix for Bogus Respondents in Online Opt-In Polls”. It begins: One of the most urgent problems in online opt-in polling is bogus (or fraudulent) respondents. These are survey-takers who … Continue reading →