Research Methods (Statistics)

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What is Simple Random Sampling (SRS)?

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A sampling method where every individual has an equal chance of being selected.

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What is Stratified Sampling?

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A sampling method where the population is divided into subgroups (strata) based on shared characteristics, and samples are drawn from each stratum.

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What is Systematic Sampling?

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A sampling method where every k-th individual is selected from a list or sequence.

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What is Cluster Sampling?

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A sampling method where the population is divided into clusters, and entire clusters are randomly selected.

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What is Convenience Sampling?

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A non-probability sampling method where samples are taken from a group that is easily accessible.

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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.

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What is a Sampling Frame?

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The list of all potential subjects for the sample.

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What is the difference between a sample and a population?

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A sample is a subset of individuals from a population, which is the entire group of interest.

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What is Bias in Sampling?

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A systematic error that leads to an incorrect representation of the population.

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What is Non-Response Bias?

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A bias that occurs when individuals selected for the sample do not respond.