Quantity Yields Quality in UX: Iterative vs. Parallel vs. Competitive Design

Summary: No design is perfect on the first try. Combining iteration, parallel design, and competitive testing helps teams move quickly, explore broadly, and make confident, evidence-based design decisions.

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3 Design Processes for High Usability: Iterative Design, Parallel Design, and Competitive Testing

3 methods for increasing UX quality by exploring and testing diverse design ideas work even better when you use them together.

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Therese Fessenden is a Senior Experience Specialist with Nielsen Norman Group and host of the NN/g UX Podcast. Her research focuses on understanding human behavior, attitudes, and expectations in order to better orchestrate system and service design strategies. 

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