Efficiency is defined by how quickly a user can perform a task once they've learned it.

University of Michigan - Ann Arbor

Summary: The most fundamental usability components or metrics are learnability, efficiency, memorability, errors, and satisfaction. This video focuses on two of these; learnability and efficiency. Although these two concepts. arerelated, there is an important distinction.

Learnability vs Efficiency in User Interface Design

https://www.nngroup.com/videos/learnability-efficiency-ui-design/
video by: Alita Joyce
Topics: Interaction Design
Copyright © 1998-2021 Nielsen Norman Group, All Rights Reserved.

NNG Reference Article: Learnability vs Efficiency in User Interface Design

Learnability is defined by how easy it is for users to accomplish a task the first time they encounter an interface, and how many repetitions are required for a user to become efficient at that task.

New users want to learn a new system quickly and get to a point of optimal performance as soon as possible.

Learn Before

Related