Sampling techniques

Sampling techniques are scientific methods of selecting representative samples from

a population.

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Systematic sampling is used when the population is homogeneous and the sampling

frame is available.

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Quota sampling requires a sampling frame.

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Simple random sampling is based on the probability concept.

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Stratified sampling is easier to implement than convenience sampling.

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A sampling frame is a list of individuals or items from which the sample can be

obtained.

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Systematic sampling is used when the population is heterogeneous and the sampling

frame is not available.

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One of the disadvantages of snowball sampling is time-consuming.

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Judgemental sampling is based on the probability concept.

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The strength of cluster sampling is it includes all important subpopulations.

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