Sampling Types

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What is Cluster Sampling?

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A sampling method where the population is divided into groups (clusters) and a whole cluster is selected for the survey.

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What is Random Sampling?

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A sampling method where every individual has an equal chance of being selected, ensuring a representative sample.

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What is Voluntary Response Sampling?

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A sampling method where individuals choose to participate, often leading to biased results as only those with strong opinions may respond.

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What is Convenience Sampling?

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A sampling method where samples are taken from a group that is easily accessible, which may not represent the entire population.

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What is a Representative Sample?

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A sample that accurately reflects the characteristics of the population from which it is drawn.

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How does Cluster Sampling differ from Stratified Sampling?

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Cluster sampling selects entire groups, while stratified sampling divides the population into subgroups and samples from each.

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What are the advantages of Random Sampling?

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It reduces bias and allows for generalization of results to the larger population.

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What are the disadvantages of Convenience Sampling?

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It may lead to biased results as it does not represent the entire population.

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When is Voluntary Response Sampling useful?

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It can be useful for gathering opinions on controversial issues, but results may not be generalizable.

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What is the purpose of using a Representative Sample?

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To ensure that the findings from the sample can be applied to the larger population.