Articles by Mohsen Rafiei, PhD
Dr. Rafiei leads Quantitative UX Research at the Perceptual User Experience (PUX) Lab, working closely with industry partners to bring scientific rigor to real-world design challenges. He is also the director of the Experience Lab at the University of Arkansas at Little Rock, where he serves as an Assistant Professor of Psychological Science.
Beyond P-Values: Bayesian Approaches for User Experience Research
Abstract Null hypothesis significance testing (NHST), using p-values and confidence intervals, has long been the standard in user research, particularly in large-sample settings like A/B testing. However, user experience studies often rely on smaller samples, rapid iterations, and design-driven outcomes, in which p-values can be difficult to interpret, and confidence intervals may offer limited practical […] Read More about Beyond P-Values: Bayesian Approaches for User Experience Research