The U.S. Census Bureau is requesting $10 million to study the best way to ask about sexual orientation and gender identity, aiming to gather better data on the nation’s LGBTQ population. Here are some ...

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. Survey researchers often try to determine how respondents might react to ...

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. One reality of the polling world is item nonresponse — that is, when survey ...

Below are surveys that can be used to evaluate trainee progress and to gather feedback from trainees about the mentoring they have received and their satisfaction with their training program. The ...

Unweighted estimators using data collected in a sample survey can be badly biased, whereas weighted estimators are approximately unbiased for population parameters. We present four examples using data ...

As federal health officials work on a redesign of the National Health Interview Survey, it's interesting to look back on the clever queries that built its reputation. It started in 1957 with 75 ...