Nonresponse bias
Bias that can occur when people who do not respond differ in relevant ways from people who do. It is one reason sample size alone does not establish quality.
Where this shows up in PolitiMind
Learn about rapid response pollingConcept map
How nonresponse bias connects to nearby ideas.
This guide is educational, not a substitute for a poll’s full methodology statement. Terms should be interpreted within the design and limitations of the specific research.