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Usability Guideline Usability.gov 13:21


Use open lists rather than drop-down lists to select one from many.


Generally, the more items users can see in a list (without scrolling), the faster their responses will be, and the fewer omission errors they will make. Ideally, users should be able to see all available items without scrolling.

Applicable Standards

Change history

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Rule ID: UseGov13.21