| Abstract |
| Faster wireless internet and variety functions of smart phone are growing. The size of mobile screen also is growing. In recent, the screen size of newly released smart phone is 5 inch or more. But it is not always good just because a smart phone has the wide screen. Especially, when you use the smart phone with one hand, the size of wide screen makes a problem in usability. We made the five kinds of prototype for this study. And we tested the usability of smart phone for directions (horizontal, vertical) and input-methods (Tap, Long Tap, Drag, Flick and Rotate) with one hand. And the results were analyzed through ANOVA analysis. As a result, 3.5 inch screen with one hand is possible to use the various input-methods. But people should use only the limited input from 4.0 inch or more smart phones with one hand. And 5.5 inches of smart phone is only possible to use Tap at the center part of it. |
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| Key Words |
| 한 손 조작, 스마트폰 화면, 사용성 평가, one-handed, smart phone screen, usability test |
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