Usability Heuristic 4: Consistency and Standards

Summary: No. 4 of the top 10 UX design heuristics is to stick to UI conventions and follow existing standards, so that users know what to expect and how to operate the interface.

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10 Usability Heuristics for User Interface Design

Jakob Nielsen's 10 general principles for interaction design. They are called "heuristics" because they are broad rules of thumb and not specific usability guidelines.

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Kate Moran is a former NN/G employee who worked on research, teaching, management, and thought leadership. Her expertise spanned qualitative and quantitative research methods. At NN/G Kate published research findings on topics such as digital content, information-seeking user behaviors, and AI.

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