A Study on Car Communication

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  • 車同士のコミュニケーションに関する一研究
  • クルマ ドウシ ノ コミュニケーション ニ カンスル イチ ケンキュウ

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Car communication (defined as interpersonal communication between a car and other car) was studied to confirm kinds of communication by local area, sex and age using a questionnaire; 281 responses in 11 different areas were analyzed. The main findings were as follows. 1. Car communication was used to express thankfulness, yielding the right of way, blaming, expressing anger, protesting to other drivers and self assertion. 2. To express thankfulness, blinking the hazard lights was most common; second most common were raising the hand by males and bowing by females. To express yielding the right of way, using the passing light was most common and raising the hand was second most common. Elderly drivers (age 50 or over) preferred to raise their hands rather than use the passing light. To express blaming and protesting risky action, sounding the horn was most common; second most common were using the passing light by males and displaying angry facial expressions by females. These expressions were the same throughout all local areas. 3. The same signals were used with different meanings and caused risky situations. In free description, some persons described experiencing incidents or accidents in which the same signals, for example, passing light were used with opposite meanings. 4. Common rules should be established as soon as possible to reduce the number of dangerous situations caused by inadequate car communication.

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