Evaluating research quality is central to building scientific knowledge, yet social sciences often face challenges due to methodological limits and disciplinary biases in existing tools. A new study ...

This study looks at how national public opinion polling in the United States changed from 2000 to 2022. It focuses on two aspects: the sample source(s) – that is, where the survey takers came from – ...

Pew Research Center designed this study to assess the current state of online survey sampling methods – both probability-based and opt-in – and determine their accuracy on general population estimates ...

Research shows that sex differences play a substantial role in health and disease progression. To improve basic and ...