To obtain a representative sample, researchers use random _____, which allows them to _____.

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Random sampling is the process of selecting participants for a study in a way that everyone in the population of interest has an equal chance of being chosen. This allows researchers to generalize the results to the population of interest with greater confidence than if they had only studied a non-random sample.  Assignment, which refers to how participants are assigned to different groups in a study, does not ensure equal representation of the population and therefore cannot guarantee generalizability.

To Obtain a Representative Sample, Researchers Use Random _____, Which