دکتر محسن رفیعی استاد روان‌شناسی دانشگاه آرکانزاس و بنیان‌گذار آزمایشگاه تجربهٔ ادراکی کاربر است. او پس از دریافت دکترای روانشناسی...

Picture this: you’re analyzing customer feedback and everything seems to point to a single average sentiment. You conclude that most...

In my statistics courses, I always emphasize that whether you want to be a UX researcher, a Human Factors specialist, a cognitive...

In my courses requiring individual projects, students often ask how many participants they need. They expect a simple answer like “20” or...

During my postdoc, I worked on evaluating how people interacted with Adidas wearable equipment. Most participants followed expected...

In one of my recent projects, I used eye-tracking technology to measure pupil dilation as an indicator of cognitive load during a complex...

I was working on a project to better understand player engagement in a video game, but I kept running into a major challenge: how could I...

Due to the many questions I got about Structural Equation Modeling, I decided to write about its different types and when you should use...

When it comes to analyzing UX data, mixed-effects models are like the secret weapon you didn’t know you needed. Sure, ANOVA is great for...

In user experience research, the tools we choose can shape the depth and clarity of our findings. Regression analysis, a reliable...

What do you do when your sample size is small, you don’t have time to gather more data, or your data doesn’t follow a normal...

Working with small sample sizes in UX and human factors research can feel like navigating a maze with limited tools. I’ve faced this...

In today's fast-paced technological landscape, companies pour millions into developing products that not only function flawlessly but...

Designing the perfect difficulty level is one of the most significant challenges in creating a compelling video game. If a game is too...

Video games have become an integral part of modern life, shaping how we connect, relax, and interact with technology. They're no longer...

When evaluating data or developing conclusions, UX researchers may make statistical errors. Being aware of these common errors and...

As a cognitive psychologist focusing on user experience research, I've always been fascinated by the dynamic interplay between human...

Statistics provides a plethora of tools and strategies for extracting insights from data. Bayesian statistics and frequentist statistics...