46 research outputs found

    Effect of Demographic Variables on Driving Safety

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    Fuzzy logic based merging gap acceptance model incorporating driving styles and drivers’ personalities

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    Cognitive ability and decision-making process in the driving task vary among drivers. Differences in driving styles and driver’s personality affect driving behavior, risk-taking and responses under hazardous scenarios. An innovative fuzzy logic based gap acceptance simulation model is proposed to extract and predict gap acceptance behavior with driving styles and drivers’ personalities. The proposed approach models driver’s decision-making process by a fuzzy set of the input factors. Cognitions, such as perceptions of front gap and current velocity, are modelled as fuzzy inputs while decisions, such as deceleration, are modelled as fuzzy outputs. For each driver, weighting factors are applied to differentiate driver’s sensitivity to operational factors, such as front gap and relative velocity during gap acceptance behavior.MOE (Min. of Education, S’pore

    Priming a sense of security: what goes through people’s minds?

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    There is a growing literature charting the positive personaland interpersonal effects of security priming. Security primesenhance self- and relationship views, and even evaluationsof outgroups, relative to control primes. We examine howsecurity priming is experienced by individuals and how itseffects differ from those produced by other positive affect andrelationship-related primes. We analyze the written protocolsproduced by individuals in different priming conditions forfrequency of felt security, care, merging, agency, communion,and nostalgia words. Security priming led to thoughts relatedto felt security, positive care, a sense of merging with another,positive emotion, and communion; furthermore, the effectsof security priming could be distinguished from the effects ofpositive affect and other relationship-related primes. We discussseveral directions for future research
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