February 2 Feb 2 In a card-sorting study, users organize topics into groups. Use this research method to create an information architecture that suits your users' expectations.
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Power Law of Learning: How to Launch New Designs Successfully
January 31 Jan 31
Time on task decreases with the number of times the task has been performed in the past. As a result, a new version of an app translates into a temporary productivity loss for its users.

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