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 ...

In today’s evidence-driven world, there is increasing demand for researchers with the skills to design, conduct, and evaluate studies that help institutions and schools improve their decision-making ...

Research & Evaluation Methodology (REM) is a community for intellectually curious, and academically motivated students who want to learn about quantitative research methods for analyzing research ...

Saint Louis University offers a graduate minor in research methodology designed to provide students with a background in advanced analysis and methods. Administered through SLU's Department of ...

A summary of ABC News' polling standards and survey methodology follows. ABC News maintains standards for disclosure, validity, reliability and unbiased content in survey research and evaluates ...

The analysis in this report is based on telephone interviews conducted Oct. 25-Nov. 16, 2011, among a national sample of 1,019 Mormon adults 18 years old and older; 694 interviews were conducted on ...

Greg DePersio has 13+ years of professional experience in sales and SEO and 3+ years as a writer and editor. Simple random sampling is a method used to cull a smaller sample size from a larger ...