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Evaluation of driving simulator based training for older drivers in Sweden: Deliverable 2.4.3
Swedish National Road and Transport Research Institute, Traffic and road users, Driving Simulation and Visualization.ORCID iD: 0000-0003-2301-5793
Mobilitetscenter.ORCID iD: 0000-0001-8026-5591
Swedish National Road and Transport Research Institute, Traffic and road users, Driver and vehicle.ORCID iD: 0000-0002-1816-9483
Swedish National Road and Transport Research Institute, Traffic and road users, Driving Simulation and Visualization.
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2016 (English)Report (Other academic)Alternative title
Utvärdering av simulatorbaserad träning för äldre bilförare i Sverige (Swedish)
Abstract [en]

Being able to assess your own performance can be vital to maintain safe mobility for older drivers. Overestimation can lead to increased risk of being involved in a crash and underestimation to unjustifiable restrictions in mobility. A pre/post intervention study was conducted with the aim to improve older drivers’ ability to assess their own driving performance. The aim was not to improve performance per se but the ability to assess, i.e. to calibrate themselves. Thus, a driving simulator program was developed and evaluated with a group of 36 older drivers. However, due to simulator sickness only 21 driver completed the study. Drivers repeatedly assessed their driving performance by answering the question “How well do you think you performed on the driving task? (1 = very bad to 5 = very well)”. As a reference of correctly assessed driving performance we used an experienced occupational therapist (specialised in driver assessment) who assessed the drive with the same scale (expert assessment).

Feedback can be an effective tool for change, which we wanted to evaluate. Thus, feedback to the drivers were given as a specification of errors made (e.g. forgot to use direction indicators, driving too fast, etc.). Feedback could also include information on correct behaviour (e.g. give way to pedestrians, keeping the right speed etc.). Thus, the drivers were divided into two groups: one (n=11) who were told of their misses and one (n=10) who were also informed about their correct behaviour. Training was done at three different occasions.

Abstract [sv]

Förmågan att kunna bedöma sin körförmåga korrekt kan vara avgörande för en säker mobilitet på äldre dagar. Överskattning kan leda till en ökad risk och underskattning kan leda till obefogade mobilitetsinskränkningar. En före/efter interventionsstudie genomfördes med syfte att förbättra äldre bilförares förmåga att bedöma sin egen körförmåga. Syftet var inte att förbättra körförmågan i sig utan förmågan att bedöma sig själv, det vill säga att bli bättre kalibrerad. Således utvecklades och utvärderades ett simulatorbaserat träningsprogram med en grupp på 36 äldre förare. Simulatorsjuka (illamående), gjorde dock att endast 21 förare kunde genomföra studien i sin helhet. Deltagarna fick vid upprepade tillfällen bedöma sin körförmåga genom att svara på frågan ”Hur bra tycker du att du körde? (1 = mycket dåligt till 5 = mycket bra). En erfaren arbetsterapeut (specialiserad i att bedöma körförmåga) gjorde expertbedömningar av körningarna med samma skala som en referens på korrekt bedömd körförmåga.

Återkoppling kan vara ett effektivt verktyg för förändring, detta verktyg ville vi utvärdera i vår studie. Således, fick deltagarna återkoppling i form av en lista på vilka fel de hade gjort efter varje övning (t.ex. glömde använda körriktningsvisare, körde för fort). Återkoppling kunde också ges som information om vad som var rätt (t.ex. lämnade företräde till fotgängare, höll rätt hastighet). Således delades gruppen i två grupper en (n=11) som bara fick veta vilka fel de hade gjort och en (n=10) som även fick veta vad de hade gjort rätt. Träningen genomfördes vid tre olika tillfällen.

Place, publisher, year, edition, pages
Linköping: Statens väg- och transportforskningsinstitut, 2016. , p. 38
Series
VTI notat ; 32A-2016
Keywords [en]
Old people, Driver, Driving (veh), Driving aptitude, Skill (road user), Personality, Attitude (psychol), Questionnaire, Simulator (driving), Test method
National Category
Vehicle Engineering Applied Psychology
Research subject
80 Road: Traffic safety and accidents, 841 Road: Road user behaviour
Identifiers
URN: urn:nbn:se:vti:diva-11395OAI: oai:DiVA.org:vti-11395DiVA, id: diva2:1065460
Note

Deliverable 2.4.3. of the Safe Move project (Safe Mobility for Older Drivers). A collaborative project carried out between VTI, Mobilitetscenter and Volvo Cars in Sweden and IFSTTAR, CNRS, INSERM, University of Bordeaux, University of Caen, University Claude Bernard Lyon, OKTAL, Continental, Peugeot and Citroën in France.

Available from: 2017-01-16 Created: 2017-01-16 Last updated: 2022-10-19Bibliographically approved

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Peters, BjörnSelander, HelenaStave, ChristinaAndersson Hultgren, JonasJansson, Andreas

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