An Evaluation of Input Controls for In-Car Interactions

論文URL:http://dl.acm.org/citation.cfm?doid=3025453.3025736

論文アブストラクト:The way drivers operate in-car systems is rapidly changing as traditional physical controls, such as buttons and dials, are being replaced by touchscreens and touch-sensing surfaces. This has the potential to increase driver distraction and error as controls may be harder to find and use. This paper presents an in-car, on the road driving study which examined three key types of input controls to investigate their effects: a physical dial, pressure-based input on a touch surface and touch input on a touchscreen. The physical dial and pressure-based input were also evaluated with and without haptic feedback. The study was conducted with users performing a list-based targeting task using the different controls while driving on public roads. Eye-gaze was recorded to measure distraction from the primary task of driving. The results showed that target accuracy was high across all input methods (greater than 94%). Pressure-based targeting was the slowest while directly tapping on the targets was the faster selection method. Pressure-based input also caused the largest number of glances towards to the touchscreen but the duration of each glance was shorter than directly touching the screen. Our study will enable designers to make more appropriate design choices for future in-car interactions.

日本語のまとめ:

車内にディスプレイを搭載し、ターゲット選択を行うときの入力方法の有効性と安全性を検証した。入力方法は、ディスプレイ上で直接選択、ディスプレイ上でボタン選択、ダイアル、圧力ボタンの4つで、選択の精度や時間、視線回数を比較した。

(112文字)

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