A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. Identifying causal relationships from observational data is not easy. Still, ...

This paper develops an econometric panel data model that can be used both to identify the dynamic effects of disease transmission factors and to forecast disease spread. The empirical model is derived ...

Landmark legislation signed 50 years ago in the United States marked an amplification in how cancers are studied and treated, and how research is translated and applied. The National Cancer Act of ...