To generalize results to a population, we must first

Question

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To generalize results to a population, the sample must be representative of the population of interest. This means that the sample should include individuals from all subgroups in the population in proportion to their representation in the population. Selecting a biased sample (A) or oversampling selected subgroups (B) can lead to results that do not accurately reflect the population. Ensuring that all variables have been operationally defined (D) is important for conducting the study, but not directly related to generalizing results to the population.

To Generalize Results to a Population, We Must First