In recent years, ergonomically designed products have been made available to fit the shape of human hands (Figs. 1 and 2). We consider a Graphical User Interface (GUI) that will also be more comfortable and natural by designing it in a similar way to reflect the Slant Menu: Novel GUI Widget with Ergonomic Design ￼characteristics of human hand and arm movements. Thus, we propose an Ergonomic GUI that we designed from the perspective of ergonomically designed products. In this study, we developed a pull-down menu as a typical GUI widget (Fig. 3).
We asked 10 subjects (female computer science students aged 21 years to 24 years) to select pull-down menu items. In this experiment, we developed a simulator program that randomly generated pull-down menus containing 10, 20, or 30 items. All the loci of the pointers were not straight and many of them drew curves (Fig. 4). This shows that a curved slanting menu would be useful for reducing the user’s stress in tracking menu items.
A curved slanting menu dropped down when a user clicked one of the menu bar items, as shown in Fig. 5. The shape of the pull-down menu varied to reflect the mouse pointer loci that a user had drawn in previous menu manipulations.
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