How many types of card sorting are there?
The three card sorting techniques you can choose from — open, closed, and hybrid — will each tell you something different about how people understand and group your information. Choosing the right technique at the right time is key to gathering high-quality, relevant data to inform your design decisions.
What is card sorter?
Card sorting is a technique in user experience design in which a person tests a group of subject experts or users to generate a dendrogram (category tree) or folksonomy. It is a useful approach for designing information architecture, workflows, menu structure, or web site navigation paths.
Why is card sorting useful?
Card sorting is a highly useful technique in information architecture; it is used to understand how users think about your content. It can help you organize content so that it suits your users' mental models, rather than the point of view of your company.