Jakob Nielsen, Ph.D., is a retired principal and co-founder (with Dr. Donald A. Norman) of the Nielsen Norman Group. Jakob established the "discount usability engineering" movement for fast and cheap improvements of user interfaces and invented the heuristic evaluation method.
Do AI products have good user experience? Only partly, and to get better, we need to focus AI more on human needs than on what's technically possible. But AI can also help UX professionals do their job better, which will improve usability more widely.
What is the difference between a field study, an ethnographic study, and a contextual inquiry in a user experience design project? Not much. The main difference is that between field methods and lab-based user research.
Users waste unacceptably much time struggling with computer bugs. Users' mental models suffer when systems don't work as advertised, leading people to question their understanding of the UX.
The user experience field is plagued by vocabulary inflation: repeatedly replacing well-known terminology with new fancy words that cause miscommunication.
Advice on how to balance breadth and depth of skill within the many different subdisciplines of the user experience profession. You can't be great at everything, so how do you choose where to specialize in your UX career?
