Similarity: Gestalt Principle 1 for UI Design

Summary: User interface elements that share one or more traits (such as shape, color, size, etc.) will be seen by users as being similar and belonging together.

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Similarity Principle in Visual Design

Design elements that appear similar in some way — sharing the same color, shape, or size — are perceived as related, while elements that appear dissimilar are perceived as belonging to separate groups.

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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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