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Card sorting is a method used in information architecture to help determine which category items should be best places[1][2].
Users are given a set of index cards with terms already written on them. They then put them into their own logical groupings and title them. As each user does this independently, common groups will emerge which can then be used for navigation or other purposes.
Typically two methods are available: a closed sort and an open sort. A closed sort requires users to put cards into pre-defined categories, while an open sort gives users the freedom to choose and label their own categories.
Card sorting is often used to help determine the navigational structure of a website or another information system.
References
- ^ Jakob Nielsen's Alertbox, July 19, 2004
- ^ [http://www.boxesandarrows.com/view/card_sorting_a_definitive_guide Card sorting: a definitive guide by Donna Maurer and Todd Warfel]