Establishing the interviewer’s perceived race or ethnicity is essential to understanding how it might affect the respondent’s answers to survey questions.
In a short video, Pew Research Center researchers explain how they produced the Center’s wide-ranging new survey of 1,001 American Muslims.
In this short video, Pew Research Center researchers explain how they overcame these obstacles to produce the Center’s wide-ranging new survey of 1,001 American Muslims.
People polled by telephone are slightly less likely than those interviewed online to say their personal finances are in “poor shape."
Read a Q&A with Maeve Duggan, Pew Research Center research associate, on our survey examining online harassment in the United States.
A new analysis sheds light on concerns raised among pollsters that the medium by which a survey question is asked – its mode – can affect responses.
Read a Q&A with Michael Dimock, president of Pew Research Center, on recent developments in public opinion polling and what lies ahead.
Telephone polls still provide accurate data on a wide range of social, demographic and political variables, but some weaknesses persist.
The first video in Pew Research Center’s Methods 101 series helps explain random sampling – a concept that lies at the heart of all probability-based survey research – and why it’s important.
The first video in our "Methods 101" series is about random sampling, a concept that undergirds all probability-based survey research. Here's how it works.