This article summarizes statistics for 13 usability laboratories. It also gives an introduction to the main uses of usability laboratories in usability engineering and surveys some of the issues related to practical use of user testing and computer-aided usability engineering.| Nielsen Norman Group
Number fetishism leads usability studies astray by focusing on statistical analyses that are often false, biased, misleading, or overly narrow. Better to emphasize insights and qualitative research.| Nielsen Norman Group
In addition to being expensive, collecting usability metrics interferes with the goal of gathering qualitative insights to drive design decisions. As a compromise, you can measure users' ability to complete tasks. Success rates are easy to understand and represent the UX bottom line.| Nielsen Norman Group
Better to accept a wider margin of error in usability metrics than to spend the entire budget learning too few things with extreme precision.| Nielsen Norman Group
Research-based articles about user experience (UX), interaction design, web usability, user testing, and UI/GUI design by Nielsen Norman Group authors, including Jakob Nielsen, Don Norman, Bruce 'Tog' Tognazzini, and other group members.| Nielsen Norman Group
3 methods for increasing UX quality by exploring and testing diverse design ideas work even better when you use them together.| Nielsen Norman Group
Testing ever-more users in card sorting has diminishing returns, but test at least 15 users -- 3 times more than you would in traditional usability tests.| Nielsen Norman Group
Simple usability tests where users think out loud are cheap, robust, flexible, and easy to learn. Thinking aloud should be the first tool in your UX toolbox, even though it entails some risks and doesn't solve all problems.| Nielsen Norman Group
How can a small company's website benefit from usability activities despite a minuscule budget? By integrating four simple and effective usability practices into the design process.| Nielsen Norman Group
Easy test user recruiting is crucial to an effective usability process. The average per-user cost is $171, but varies greatly depending on location and the targeted profession.| Nielsen Norman Group
Measuring usability is vital for product success. It provides us with a holistic assessment of our design decisions and validates them throughout iterations. In this article, we explore usability metrics and their importance.| UI UX Design Agency for SaaS, Fintech & AI | Adam Fard UX Studio
Between the ages of 25 and 60, people's ability to use websites declines by 0.8% per year - mostly because they spend more time per page, but also because of navigation difficulties.| Nielsen Norman Group
Even the tiniest amount of empirical facts (say, observing 2 users) vastly improves the probability of making correct UI design decisions.| Nielsen Norman Group
Looking for an ideal respondents for your product research? Here is an expert guide on where and how to catch them!| Dashly blog
Usability testing done the right way is what sets “okay” and excellent products apart. This article is a deep dive into the world of usability assessment that touches on test design, prep work, and much much more.| UI UX Design Agency for SaaS, Fintech & AI | Adam Fard UX Studio
Designers make tons of decisions. Knowing which ones were right is crucial for the project's success. Here are the 3 most common ways we use to validate our designs.| UI UX Design Agency for SaaS, Fintech & AI | Adam Fard UX Studio
NPS is a loyalty metric that correlates well with perception of usability, is easy to understand and administer, but has limitations for understanding and evaluating UX when used in isolation.| Nielsen Norman Group
The answer is 5, except when it's not. Most arguments for using more test participants are wrong, but some tests should be bigger and some smaller.| Nielsen Norman Group