When Links Change: How Additions and Deletions of Single Navigation Links Affect User Performance
Lauren F.V. Scharff and Philip Kortum
Journal of Usability Studies, Volume 5, Issue 1, Nov 2009, pp. 8 - 20
Article Contents
About the Authors

Lauren F. V. Scharff, Ph.D.
Dr. Scharff was a psychology professor at Stephen F. Austin State University 1993 – 2008. She is currently the Director for the Scholarship of Teaching and Learning at the United States Air Force Academy. Her research interests include Web site usability and visual perception.

Philip Kortum, Ph.D.
Dr. Kortum is a faculty member in the Department of Psychology at Rice University in Houston, Texas. His research is focused on the development of user-centric systems in both the visual (Web design, equipment design, image compression) and auditory domains (telephony operations and interactive voice response systems).
