User experience (UX) research aims to create products that are easy and enjoyable to use. One key measure in this process is the error rate . Understanding what error rate means and why it matters can help designers and researchers improve usability and create better experiences for users. Understanding Error Rate What Is Error Rate in UX Research? Error rate refers to the number of mistakes users make while interacting with a product, divided by the total number of opportuni

By Philip Burgess | UX Research Leader When users struggle with a product or service, the signs often show up in their mistakes. One of the clearest ways to spot these issues is by measuring the error rate . This simple metric can uncover major usability problems that might otherwise go unnoticed. Understanding and tracking error rate helps designers and developers create smoother, more intuitive experiences. What Is Error Rate and Why It Matters Error rate measures how often