Pew Research Center

Comparing Two Types of Online Survey Samples

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 ...
Pew Research Center

Appendix A: Survey methodology

Results for the survey are based on a mix of telephone, face-to-face and online interviews conducted under the direction of Gallup, Langer Research Associates and Social Research Centre. The results ...
Drexel University

Doctoral Exit Survey

In 2022, the Office of Institutional Research, Assessment, and Accreditation (IRAA), in collaboration with the Office of Graduate Studies, launched a comprehensive survey targeting recipients of ...
National Academies of Sciences%2c Engineering%2c and Medicine

Measuring What We Spend: Toward a New Consumer Expenditure Survey

This chapter describes the two components of the Consumer Expenditure Surveys (CE)—the Interview survey and the Diary survey. The Panel on Redesigning the BLS Consumer Expenditure Surveys identified ...