Vincent Gable’s Blog

April 25, 2008

Simple Can be Faster then Powerful

Filed under: Design,Usability
― Vincent Gable on April 25, 2008

…Judy Olson and Erik Nilsen wrote a classic paper comparing two user interfaces for large data tables. One interface offered many more features for table manipulation and each feature decreased task-performance time in specific circumstances. The other design lacked these optimized features and was thus slower to operate under the specific conditions addressed by the first design’s special features.

So, which of these two designs was faster to use? The one with the fewest features. For each operation, the planning time was 2.9 seconds in the stripped-down design and 4.6 seconds in the feature-rich design. With more choices, it takes more time to make a decision on which one to use. The extra 1.7 seconds required to consider the richer feature set consumed more time than users saved by executing faster operations.

Jakob Nielsen, the day before my birthday, 2006.

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