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A survey non-responder is an individual selected for a survey sample who fails to complete the questionnaire. This lack of participation can occur for various reasons, including moving away, being too busy, lacking interest in the topic, or refusing to participate on principle.

Survey Non-responder

The most effective approach to minimizing non-response bias is to proactively reduce the number of non-responders by maximizing the survey's overall response rate. Although statistical techniques exist to correct for non-response bias after data collection, these corrections rely on assumptions about the non-participating individuals that might be entirely incorrect, making prevention the superior strategy.

Minimizing Non-response Bias

Non-response bias is a specific form of sampling bias that occurs when individuals who choose not to participate in a survey differ systematically from those who do complete it. Even when a study employs careful random sampling, this bias can skew results and lead to inaccurate conclusions because the final respondents no longer accurately represent the original intended sample.

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