What is the name of the threat that warns researchers to be careful in generalizing the results to a population when an experiment is conducted on a nonrandom sample?

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Selection bias is the threat that warns researchers to be careful in generalizing the results to a population when an experiment is conducted on a nonrandom sample. This is because the nonrandom sample may not be representative of the population, leading to biased results.

What Is the Name of the Threat That Warns Researchers