Momentary time sampling, partial-interval recording, and event coding are observational coding methods commonly used to examine the social and challenging behaviors of children at risk for or with ...

This Pew Research Center analysis on views of how to improve democracy uses data from nationally representative surveys conducted in 24 countries. For non-U.S. data, this analysis draws on nationally ...

Fountain codes and rateless coding techniques represent a transformative approach for reliable data transmission across unpredictable communication channels. These methods distinguish themselves by ...

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. Audiovisual content is everywhere in the digital age, from online news sites to ...