However, decades of research suggest that it is the unobservable phenomena that is most predictive of employee behavior – particularly in complex and knowledge-producing jobs (e.g., cognitive ability, traits Hunter & Hunter, 1984 Ree & Earles, 1992 Schmidt & Hunter, 1998). Our jobs would undoubtedly be simpler if we could rely solely on objective measurements of physical characteristics. Given our mission as I-O psychologists to describe, understand, explain, and ultimately predict variability as it pertains to people in the workplace (Cascio & Aguinis, 2011), it is essential for us to be able to accurately and reliably measure these individual differences. ![]() ![]() ![]() These individual differences help us understand why people behave in certain ways. People vary in almost every imaginable way from physical (e.g., height, weight) to psychological (e.g., intelligence, personality) characteristics. Stop me if you have heard me say this before: The scientific study of people is complicated. Categories: 552 Lost in Translation: Verbally Communicating Reliability and Validity Evidence Michael Litano, Old Dominion University
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