Open-ended questions result in deeper insights. Closed questions provide clarification and detail, but no unexpected insights.| Nielsen Norman Group
Pilot testing (a session or two before the real test) helps fine-tune usability studies, leading to more reliable results.| Nielsen Norman Group
User interviews help you learn who your users are, what their experiences are like, and what they need, value, and desire.| Nielsen Norman Group
A journey map is a visualization of the process that a person goes through in order to accomplish a goal.| Nielsen Norman Group