Proportionate stratified sampling involves oversampling-taking a larger-than-proportionate number of certain groups to assure the appearance of a sufficient number of cases for comparative purposes of a group that is small in the population.

Question

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Proportionate stratified sampling involves dividing the population into strata and then sampling from each stratum in proportion to its size in the population, not oversampling smaller groups. Oversampling smaller groups is a characteristic of disproportionate stratified sampling.

Proportionate Stratified Sampling Involves Oversampling-Taking a Larger-Than-Proportionate Number of Certain