What is closed card sorting?
Closed card sorting is a variation where users are given a predetermined set of category names, and they are asked to organize the individual cards into these predetermined categories. Closed card sorting does not reveal how users conceptualize a set of topics.
Why closed card sorting?
A closed card sort works best when you are working with a pre-defined set of categories, and you want to learn how users sort content items into each category.
What are the disadvantages of card sorting?
The Disadvantages of Card Sorting
Card sorting ignores tasks – you can use card sorting to understand how user's group data without reference to your product. You need to be cautious about how you translate those results into your product. We may change groupings when we have to do things with the data set.