| Summary: | 碩士 === 國立交通大學 === 交通運輸研究所 === 97 === Motorcycle riders have a high likelihood of being involved in an accident. However, young riders should not treat as a homogenous group pertaining to road safety. This study aimed to identify the heterogeneity of Young Motorcyclists' risky driving behavior by manifest characteristics, ie age, gender, driving experience etc. and latent personality trait, sensation seeking, amiability, and impatience. The result indicated that young motorcyclists who are male, had accident and violation experiences had higher intension to perform risky riding behavior. On basis of a cluster analysis of personality traits, four types of young motorcyclistwas were identified - active rider, impulsive rider, staid rider, and anxious rider. Active rider and impulsive rider were high-risk groups, intending to perform speeding or violation behavior. Active riders' risky riding behavior was affected by sensation seeking and impatience through attitude toward unsafe riding; however, impulsive rider's speeding and violation behavior were accounted for mainly by utility perception. Only Staid rider showed direct relationship between riding behavior and accidents. Practical suggestions on how to promote safe driving among these types of motorcyclists are discussed.
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