A research of the decision making process of driving behavior by the protocol analysis

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  • プロトコル法による運転行動の意思決定過程の研究
  • プロトコルホウ ニ ヨル ウンテン コウドウ ノ イシ ケッテイ カテイ ノ

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Abstract

In order to make clear the decision making process of driving behavior in a variety of situations, the present study used "protocol analysis". The fourteen subjects (6 male and 8 female) drove on the test routes in a city, which was about 7.8 km length. Returning to the laboratory after driving, these subjects were asked to talk about what and why they had paid attention to see, what kind of cognitions and feelings they had had, and what kind of behavior they had decided on. To find out several patterns of decision making processes (DMP) of the deceleration, acceleration and searching behavior, these reports were applied to the cluster analysis. The main results as follows. Those patterns of DMP were different according to the driving behavior. Even if the driving behavior was same, the patterns of DMP were changed by the situations. These results were interpreted in terms of the differences in the hazard and risk perception. This suggests the close interrelationships between these perception and the DMP.

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