Historically, public opinion surveys have relied on the ability to adjust their datasets using a core set of demographics – sex, age, race and ethnicity, educational attainment, and geographic region ...

Last year during the TCT meeting, I was waiting to present a project that our team performed to study the impact of mental health disorders on the outcomes of patients admitted for cardiac disease.

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 ...