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 ...
National Academies of Sciences%2c Engineering%2c and Medicine

Studies of Welfare Populations: Data Collection and Research Issues

Suggested Citation: "1 Designing Surveys Acknowledging Nonresponse." National Research Council. 2002. Studies of Welfare Populations: Data Collection and Research Issues. Washington, DC: The National ...
National Academies of Sciences%2c Engineering%2c and Medicine

An Assessment of NASA's National Aviation Operations Monitoring Service

Suggested Citation: "3 Sample Surveys: Overview, Examples, and Usefulness in Studying Aviation Safety." National Research Council. 2009. An Assessment of NASA's National Aviation Operations Monitoring ...
The Conversation

A survey needs to involve how many people before I’m convinced?

Professor of Statistics at UNSW, President of the Statistical Society of Australia and a Deputy Director of the Australian Centre of Excellence in Mathematical and Statistical Frontiers, UNSW Sydney ...