Question: In correlational and experimental study designs, a key requirement for a sample is that: A) it be representative of the population the researchers are investigating.

In correlational and experimental study designs, a key requirement for a sample is that: A) it be representative of the population the researchers are investigating. B) nothing be known about the members of the sample before the study begins. C) the members of the sample do not know what variables the researchers are studying. D) it consist of individuals who are all fairly similar

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