Various studies concerning the application of usability evaluation methods have shown the usefulness of these testing methods. The objective of this study was to evaluate the added advantage of collecting process measures (data used to learn how and why an error occurred) over performance measures (data used to determine what went wrong) in interface design. The most salient finding of this study is that when used in the design/redesign process, performance data improved effectiveness (i.e., reduced the number of errors), whereas process measures data improved efficiency by reducing the time needed to complete tasks. The results from this study, as with any other usability study, should be of particular interest to the software industry, which is constantly trying to reduce development time and resources while improving user-friendly interface design.
Agile development is being adopted by many leading software companies, such as those represented by this panel. Though many instructional resources exist to guide companies through a change to Agile Development, there are few resources available on the subject of Agile development and User Centered Design (UCD). As a result, user experience practitioners have had to develop their own tactics and strategies for maintaining sound UCD practices within their organizations when moving to Agile. This panel consists of six practitioners who actively work with development teams using Agile. Panel members will share the challenges and successes they face while championing UCD within their respective development organizations. Panelists will focus on adaptations to research methodology and strategy that make UCD possible to attain within Agile cultures.
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