
The Usability of Augmented Reality

Minor usability problem (e.g., buttons that are not in the most logical place) Major usability problem (e.g., too many different buttons with unclear labels) Usability disaster (e.g., inability to recover from an error)
Irene Pereyra • Universal Principles of UX: 100 Timeless Strategies to Create Positive Interactions between People and Technology (Rockport Universal)
Two of the most important characteristics of good design are discoverability and understanding. Discoverability: Is it possible to even figure out what actions are possible and where and how to perform them? Understanding: What does it all mean? How is the product supposed to be used? What do all the different controls and settings mean?
Don Norman • The Design of Everyday Things
If something is usable—whether it’s a Web site, a remote control, or a revolving door—it means that A person of average (or even below average) ability and experience can figure out how to use the thing to accomplish something without it being more trouble than it’s worth.