Tree Testing is a method for validating the labels and hierarchy of your information architecture (imagine a site map or a menu). Tree Testing can tell you if people are getting lost in how information is organized. Can users find what they’re looking for? Isn’t there anything misleading them in the wrong direction? How much did adjusting the structure change things for the better or the worse?

What’s information architecture and why’s it important? How do Card Sorting and Tree Testing help create intuitive navigation?