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A survey included only people who volunteered to participate. What problem may this illustrate?

Answer and explanation

Correct answer: Selection bias

People who volunteer may differ in important ways from those who do not participate. Their responses may therefore fail to represent the whole target population, creating selection bias. This is a possible problem with a volunteer-only survey, although it does not necessarily occur in every such survey.

Related tags

Selection BiasSurvey SamplingNature And Meaning Of ScienceExploration: Entering The World Of Secondary ScienceExploration Entering The World Of Secondary ScienceScienceClass 9 Mcq

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