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 ...

Medical utilization profiles of commercially insured members with opioid-related disorders differ depending on the code used to document the initial diagnosis in administrative claims. Results: A ...

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 ...