When is a hierarchy too deep, and what are the alternatives to using a deep hierarchy to access and organize information?
Hierarchies are often abused, plagued by issues that can lead to a frustrating user experience. Hierarchies can become overloaded, creating an Alice in Wonderland-like experience down a never-ending rabbit hole. Besides being tedious to navigate, deep hierarchies can take up valuable horizontal screen real estate. They can cause [...]
Is it important that users be able to get to any content in a website within 3 clicks?
We hear at least weekly of companies enforcing the “rule” that users must be able to get to any page in the site within 3 clicks. There are several problems with this rule. One problem is scalability. In very large or complex websites and web applications, the rule just doesn’t scale. [...]
How do you do research for an online wellness program that spans the course of several weeks and measures changes to behavior over time?
In this instance, where the feedback you are looking for has much to do with the efficacy of a program over time, get feedback from people who have completed and who have failed to complete the behavior change program. Conduct a survey to ask questions [...]
How do you design a transactional page that requires horizontal scrolling? Do you freeze the left frame like Excel, or use tabs?
It is almost never appropriate to design a page that includes horizontal scrolling. In several studies conducted by Expero staff, horizontal scrolling caused many serious usability issues. For example, in one study, users repeatedly failed to see important row actions within a page that scrolled horizontally””there was [...]
Are there any usability issues with using drag and drop controls in a web application?
AJAX technology makes it easier to add drag and drop controls to a web application. This is great news. Many times we’ve tested complex web applications where the users asked for drag and drop controls that were not available at the time for the given technology platform. Download this file to see a [...]