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. Fresh ...

Pew Research Center’s international surveys are largely conducted via telephone or face-to-face interviews, depending on the country. (The exceptions are the United States and Australia, where surveys ...

Director of Scholarship at Change Management Unit at the Vice Chancellors' office; Professor and Head of Archie Mafeje Research Institute, University of South Africa Re-search is a dirty word.

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...