What we learned about online nonprobability polls
The advantages of these online surveys are obvious – they are fast and relatively inexpensive, and the technology for them is pervasive. But are they accurate?
Numbers, Facts and Trends Shaping Your World
Online nonprobability surveys are fast, cheap, and increasingly popular. We compared nine samples and found that accuracy varied substantially.
This report is based on the methodology used in the Pew Research Center’s ongoing study of government restrictions on religion and social hostilities involving religion. The goal of the study was to devise quantifiable, objective and transparent measures of the extent to which governments and societal groups impinge on the practice of religion, and to […]