Starting in 2013, the Census Bureau would like all of the more than 3 million households that receive its American Community Survey to be pushed to respond online, instead of mailing back the ...

In this guide, survey data refers to data collected through surveys; questionnaires sent, given, or conducted by phone or face-to-face interviews with a selected group of people. The data can be ...

Amid fears that the National Family Health Survey (NFHS-6), due to commence from July 2023, could be dropping questions on disability from its survey questionnaire, disability rights activists are ...

This was a large population-based study to develop and validate the Iranian version of the Short Form Health Survey (SF-36) for use in health related quality of life assessment in Iran. A culturally ...