Factors determining speed management during distracted driving (WhatsApp messaging)
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Ortiz Peregrina, Sonia; Oviedo Trespalacios, Óscar; Ortiz Herrera, Carolina; Casares López, Miriam; Salas Hita, Carlos María; González Anera, María Del RosarioEditorial
Nature Research
Date
2020-08-06Referencia bibliográfica
Ortiz-Peregrina, S., Oviedo-Trespalacios, O., Ortiz, C., Casares-López, M., Salas, C., & Anera, R. G. (2020). Factors determining speed management during distracted driving (WhatsApp messaging). Scientific Reports, 10(1), 1-10. [DOI: 10.1038/s41598-020-70288-4]
Sponsorship
Ministry of Economy and Competitiveness (Spain); European Union (EU) FIS2017-85058-R; Ministry of Science, Innovation and Universities (Spain) FPU15/05571Abstract
The objective of this work was to investigate self-regulation behaviours, particularly speed
management, under distracted conditions due to WhatsApp use. We also studied the influence
of different environments and driver characteristics, introducing visual status as one of them.
Seventy-five drivers were evaluated in a simulator study involving two test sessions under baseline
and texting conditions. A cluster analysis was used to identify two groups with different visual
capacity .Lastly, possible predictors of speed management were studied developing a generalised
linear mixed model. Our results show that drivers reduced their speeds in the presence of more
demanding driving conditions; while replying to a WhatsApp message, on curved road segments
and when parked cars are present. Driving speed also correlated with driver characteristics such as
age or dual task experience and human factors such as self-perceived risk. Finally, although there
were significant differences in visual capacity between the two groups identified, the model did not
identify visual capacity membership as a significant predictor of speed management. This study could
provide a better understanding of the mechanisms drivers use when WhatsApp messaging and which
environments and driver conditions influence how speed is managed.