A representative sample in research means that:

Question

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A representative sample means that the participants in the sample are chosen in a way that accurately reflects the demographics of the population of interest. This helps to ensure that the findings of the research can be generalized to the broader population. Hand-picking participants based on race (A) would be biased and not representative. Inviting participants (C) is not necessarily related to representativeness. Greater chance of selection (D) can also introduce bias and affect representativeness.

A Representative Sample in Research Means That