Early in the COVID-19 pandemic, researchers flooded journals with studies about the then-novel coronavirus. Many publications streamlined the peer-review process for COVID-19 papers while keeping ...
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 ...
This study will identify methods state and local decision makers can use to assess equity impacts of surface transportation investments. The study committee will identify and advise on opportunities ...