Learnability vs Efficiency in User Interface Design
Summary: Two of the most fundamental usability metrics are learnability (the user's ability to use a new design they have not seen before) and efficiency (the speed with which people do tasks after they have learned the interface).
Alternate methods for accomplishing a frequent action in a user interface support expert users by speeding up their interactions, without hindering novices.
Video Author
Alita Joyce is a User Experience Specialist with Nielsen Norman Group. She is a mixed-methods researcher with a specialization in cognitive psychology and behavioral observation. Alita has published research on a diverse range of topics, such as interface design patterns, young technology users, social media, emerging technologies, and strategic design initiatives.
