Effects of Cell Phone Texting on Attention, Walking, and Mental Workload: Comparison between the Smartphone and the Feature Phone

DOI Web Site 3 Citations 13 References Open Access

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  • 携帯電話への文字入力が注意，歩行，メンタルワークロードに及ぼす影響－室内実験によるスマートフォンとフィーチャーフォンの比較－
  • ケイタイ デンワ エ ノ モジ ニュウリョク ガ チュウイ,ホコウ,メンタルワークロード ニ オヨボス エイキョウ : シツナイ ジッケン ニ ヨル スマートフォン ト フィーチャーフォン ノ ヒカク

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Effects of texting with a cell phone were investigated by a laboratory experiment. Participants performed texting with a cell phone (except for the control condition) as well as visual and auditory detection tasks at the same time. They performed these multiple tasks while sitting on a chair or walking along the sides of a 3-by-3 meter square marked on the floor. Different types of cell phones were compared: the feature phone with a numerical keypad, the smartphone with a touch panel, and the smartphone with a sheet providing tactical cues on its touch panel. Results showed that reaction time for visual and auditory targets were longer and subjective mental workload was higher in the texting conditions than in the control condition. Texting with cell phones made participants' walking speeds slower and paces shorter than in the control condition. Moreover, the number of steps outside of the walking route was greater with smartphones than with feature phones. On the other hand, there is no difference between feature phone and smartphone with tactical cues. The results suggest higher risk of accidents for pedestrians who are texting with cell phones, especially with smartphones. Lastly we discuss possibility of ergonomic improvement to help pedestrians walk safer while texting with cell phones.

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