Nonresponse Bias
Definition
This occurs when respondents selected as part of a survey do not respond or are unwilling to participate leading to skewed results because it does not represent all segments of population accurately.
Analogy
Imagine throwing a birthday party where only your closest friends show up, but you claim that everyone loves your parties based on the feedback from this group. This would be a nonresponse bias because the opinions of those who didn't attend weren't considered.
Related terms
Sampling Bias: A bias in which a sample is collected in such a way that some members of the intended population are less likely to be included than others.
Survey Research: The collection of data from a sample of individuals through their responses to questions.
Population Representation: The degree to which a sample reflects the demographic composition of the overall population.
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