Researchers have conducted multiple studies about the influence of an applicant's age on hiring decisions. To clarify knowledge about the topic, Leroy obtains data from these studies and uses a statistical technique to combine the results. Leroy's research MOST clearly illustrates use of _____.

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Leroy's research involves combining data from multiple studies to obtain a more comprehensive understanding of the influence of an applicant's age on hiring decisions. This technique is known as meta-analysis. A double-blind procedure involves neither the researcher nor the participants knowing certain information, naturalistic observation is an observation of behavior in a natural setting, and percentile ranks focus on comparing an individual's score to the scores of others.

Researchers Have Conducted Multiple Studies About the Influence of an Applicant's