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A researcher wants to understand the opinions of all residents in a town but interviews only members of one sports club. What is the main weakness of this approach?

Answer and explanation

Correct answer: The selected group may not represent the town's entire population

Sports club members may differ from other residents in age, interests or background. A sample that excludes many sections of the population can produce biased results.

Related tags

Sampling BiasRepresentative SamplePopulationSocial Research

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