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What is non-response bias?

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Anonymous

10y ago
Updated: 9/17/2019

One effect of non-response is that is reduces the sample size. This does not lead to wrong conclusions. Due to the smaller sample size, the precision of estimators will be smaller. The margins of error will be larger.

A more serious effect of non-response is that it can be selective. This occurs if, due to non-response, specific groups are under- or over-represented in the survey. If these groups behave differently with respect to the survey variables, this causes estimators to be biased. To say it in other word: estimates are significantly too high or too low.

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Wiki User

13y ago

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What are some solutions to nonresponse?

To address nonresponse in surveys or studies, researchers can employ several strategies. These include increasing participant engagement through personalized communication, offering incentives for participation, and simplifying the survey process to reduce barriers. Additionally, employing follow-up reminders and utilizing mixed-method approaches can help capture data from nonrespondents. Lastly, researchers can analyze nonresponse patterns to adjust their sampling techniques or weighting methods to minimize bias.


What are the problems from associated with polling methods?

Some problems associated with polling methods include sampling bias if the sample is not representative of the population, nonresponse bias if certain groups are less likely to respond, question wording bias if questions are leading or ambiguous, and margin of error that can impact the precision of the results.


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