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Representative samples are designed to reflect characteristics or qualities present in the population and are important for accurate research. Representative samples are designed to reflect characteristics or qualities present in the population and are important for accurate research.
The âTrusteeâ Model of Representation. In this model, an elected representative is allowed to use his or her own best judgment in deciding how to correctly vote on behalf of the constituents, even if this means sometimes voting against desires of a majority of the constituents.