“There are many common beliefs about UX design that are, unfortunately, based on casual and inaccurate observation. However, through systematically planned and conducted user research, we can see that some of these could not be further from the truth. In this series, I’d like to single out a few such design beliefs that meet two conditions: many product development professionals believe them and little user data supports them.”
Demystifying UX Design: Common False Beliefs and Their Remedies: Part 1
Perceptions are all based upon belief systems.