Where no disciplinary, institutional, or generalist data or sample repository or archive exists for collected original data and sample types, the PI is required to identify a preservation plan in a ...

In order to have a larger sample of Hispanics in June, we surveyed 543 Hispanics out of 2,245 total respondents, or 24% of the unweighted sample. This gave us a much larger sample to analyze, and made ...

ABOUT PEW RESEARCH CENTER Pew Research Center is a nonpartisan, nonadvocacy fact tank that informs the public about the issues, attitudes and trends shaping the world.It does not take policy positions ...