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	Trädtestning	Kortsortering
Ämnesområde	Människa-datorinteraktion	Människa-datorinteraktion
Familj	Hypothesis test	Hypothesis test
Ursprungsår	2000s	1990s
Upphovsperson	Usability Professionals	Information Architecture Practitioners
Typ	Task-based testing of navigation structures	Participatory technique for validating or designing information structures
Ursprungskälla	Tullis, T., Fleischman, S., McNulty, M., Ciccone, C., & Bergel, M. (2002). An empirical comparison of lab and remote usability testing of web sites. In Proceedings of the Usability Professionals Association Annual Conference.	Spencer, D. (2009). Card Sorting: Designing Usable Categories. Rosenfeld Media. ISBN: 1-933820-36-5
Alias	Reverse Card Sort, Card Sorting Validation	Card Sort, Open Card Sorting, Closed Card Sorting
Närliggande	4	4
Sammanfattning	Tree Testing is a quantitative, task-based validation method for evaluating information architecture and navigation structures. Users are presented with a text-only representation of a website or app hierarchy (a tree) and asked to locate specific items or complete tasks by clicking through the structure. Unlike card sorting, which reveals user mental models during design, tree testing validates whether a proposed structure allows users to find items efficiently. The method captures success rate, time-to-completion, and paths taken, providing metrics for comparing navigation designs.	Card Sorting is a participatory design technique where users organize content items (represented on cards) into logical groups and categories. Used primarily for information architecture design, card sorting reveals how users naturally think about and categorize content, providing empirical data for navigation hierarchies, menu structures, and taxonomy design. The method exists in open form (users create their own categories) and closed form (users organize cards into predefined categories), each revealing different insights about user mental models and organization preferences.