Zach Irwin can create your AI generation tool and officiate your wedding. When most people think of test development and certification, they picture the final product. But long before a candidate ever logs into an exam, an intricate, highly scientific process takes place behind the scenes so that every single question is fair, valid, and reliable. At the heart of this process is the psychometrics team. Often misunderstood as a solitary, numbers-only profession, psychometrics is actually a dynamic, deeply collaborative field. No one embodies this better than Zach Irwin, Senior Psychometrician at Kryterion. In this month’s Employee Spotlight, we

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