Use Gwet’s AC1 instead of Cohen’s Kappa for Inter-rater Reliability

Last year, I attended a lecture by my former assessment and measurement professor, Dr. Van Haneghan, at the University of South Alabama. He addressed the paradox of using Cohen’s Kappa (k) for inter-rater reliability and acknowledged that it was identified in the literature two decades ago but has been mainly overlooked. The problem is that Cohen’s k skews … Continue reading "Use Gwet’s AC1 instead of Cohen’s Kappa for Inter-rater Reliability"

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