A/B Testing vs. Multivariate Testing for Design Optimization

Summary: Like A/B testing, multivariate testing is a design optimization method that involves experimenting with live traffic to find the best impact on conversions.

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Multivariate vs. A/B Testing: Incremental vs. Radical Changes

Radical redesigns are best tested using an A/B experiment, while multivariate tests indicate how various UI elements interact with each other and support incremental improvements to a design.

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Kate Moran is a former NN/G employee who worked on research, teaching, leadership, and design thought leadership. Her expertise spanned both qualitative and quantitative research methods. At NN/G Kate discovered and published ground-breaking findings on artificial intelligence (AI), interaction design, digital content, and information-seeking user behaviors.

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