Int. J. Human-Computer Studies o A

iver ring fo ted line Cascading menus are the most commonly used hierarchical menus in graphical user interfaces (GUIs). These menus, however, tend to Menus, which appear ubiquitously in WIMP (window, icon, menu, pointing device) interfaces, provide users with a amount of screen space, they have their limitations. In particular, traditional cascading menus require the user to submenu is posted after a pre-determined period of time (e.g., 200 ms). While the time delay reduces errors due to straying mouse movement, it also slows down the naviga-Corresponding author. Fax: þ1 204 474 7609