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 ...

Achieve a deeper understanding of human experiences by deploying the creative practices in research. Here’s how ...

Climate change is already fueling dangerous heat waves, raising sea levels and transforming the oceans. Even if countries ...