Information, assessment, or decision
a driving simulator study on the effect of real-time feedback based on information-processing stages
Angèle Picco (Rijksuniversiteit Groningen)
Arjan Stuiver (Rijksuniversiteit Groningen)
J. C.F. Winter (TU Delft - Human-Robot Interaction)
Dick de Waard (Rijksuniversiteit Groningen)
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Abstract
This driving simulator study, which focused on supporting drivers through feedback rather than automating the driving task, examined the effect of real-time feedback based on different stages of information processing on driving behaviour. The stages investigated included providing information alone, assessment of that information, and a decision based on that assessment, following Parasuraman, Sheridan, and Wickens’s (2000) model of information-processing automation. The acceptability and effectiveness of the different stages of feedback were assessed on two key driving behaviours: speed and distance from the vehicle ahead. The results indicated that feedback had a limited effect on driving behaviour. However, the stage of information processing in the feedback did affect a number of outcomes, with decision-oriented feedback leading to improved behaviours but less favourable attitudinal results. Future safety interventions should consider altering risk perception and beliefs, or providing external motivation for behavioural change.
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