Consistency vs. Innovation in UX Design

Summary: Any type of innovation requires users to learn the new pattern. It's worth departing from convention only if you are sure that the new pattern will perform better than what is already available.

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The Power Law of Learning: Consistency vs. Innovation in User Interfaces

Across many tasks, learning curves show an initial learning period, followed by a plateau of optimal efficiency. New interfaces compete with much practiced, old ones that have already reached this plateau.

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Raluca Budiu is Senior Director, Data Strategy, at Nielsen Norman Group, where she uses her data-analysis expertise to drive strategic decisions. She also serves as editor for the articles published on NNgroup.com. Raluca has coauthored many NN/g reports, as well as the book Mobile Usability. She holds a Ph.D. from Carnegie Mellon University.

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