Card sorting is a user-centered design method for increasing a system's usability/findability. The process involves sorting a series of cards, each labeled with a piece of content or functionality, into groups that make sense to users/participants.
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Card Sorting, Part 2: Facilitation
You should now have everything ready to conduct your card sorts - cards, users, observers and most importantly a clear objective of what you want to achieve.
Boulton, Mark. Mark Boulton (2007). Articles>Information Design>User Centered Design>Card Sorting
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Card Sorting, Part 3: Analysis and Reporting
In the final part of the article I talk about perhaps the most important part of the procedure - Analysis. This is the part in which you can get the most bogged down. You must be thorough, ruthless and accurate. Card sorting won’t always give you the answer - it may just give you more questions. This is where the analysis comes in.
Boulton, Mark. Mark Boulton (2007). Articles>Information Design>User Centered Design>Card Sorting
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Card Sorting: Pushing Users Beyond Terminology Matches
It's easy to bias study participants, whether in user testing or in card sorting, if they focus on matching stimulus words instead of working on the underlying problem.
Nielsen, Jakob. Alertbox (2009). Articles>User Centered Design>Methods>Card Sorting
