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Search: WAKA:art > VTI - The Swedish National Road and Transport Research Institute > Falkmer Torbjörn

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1.
  • Almberg, Maria, et al. (author)
  • Experiences of facilitators or barriers in driving education from learner and novice drivers with ADHD or ASD and their driving instructors
  • 2017
  • In: Developmental Neurorehabilitation. - : Taylor & Francis. - 1751-8423 .- 1751-8431. ; 20:2, s. 59-67
  • Journal article (peer-reviewed)abstract
    • Background: Little is known about whether individuals with autism spectrum disorder (ASD) or attention deficit hyperactive disorder (ADHD) experience any specific facilitators or barriers to driving education.Objective: To explore the facilitators or barriers to driving education experienced by individuals with ASD or ADHD who obtained a learner’s permit, from the perspective of the learner drivers and their driving instructors.Methods: Data were collected from 33 participants with ASD or ADHD, and nine of their driving instructors.Results: Participants with ASD required twice as many driving lessons and more on-road tests than those with ADHD. Participants with ADHD repeated the written tests more than those with ASD. Driving license theory was more challenging for individuals with ADHD, whilst individuals with ASD found translating theory into practice and adjusting to “unfamiliar” driving situations to be the greatest challenges.Conclusion: Obtaining a driving license was associated with stressful training experience.
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2.
  • Anund, Anna, et al. (author)
  • Is European school transport safe? : the need for a "door-to-door" perspective
  • 2011
  • In: European Transport Research Review. - Berlin : Springer. - 1867-0717 .- 1866-8887. ; 3:2, s. 75-83
  • Journal article (peer-reviewed)abstract
    • Purpose To identify and establish the number and aetiology behind children being killed or injured during school transport from a door-to-door perspective by using experience from Sweden and the UK.Methods Available crash data were analysed. Results In total, 361 children in Sweden during 1994–2001, i.e. 24% of the 1,515 identified children aged 6–16 who were injured or killed were identified in 256 school transport events. The predominant reason for being killed or injured when travelling on school transportation was when children were outside the bus (74%), either when passing the bus to cross the street, running in front of the bus (21%) or behind the bus (30%). Contrary to the general belief that children older than 12 are mature enough to handle traffic, more than 50% of the fatal injuries in Sweden affected children aged 13–16. Similar results were found in the UK. The afternoon school journeys, pedestrians after alighting from the bus, and those in situations that deviated from their normal routine were found to be particularly vulnerable.Conclusions The travel chain perspective/or door to door perspective offers a promising approach for understanding school transport risks and for identifying effective countermeasures; including around bus stops and on the way to/from the bus stop. Data collection needs to be revised to reflect this approach.
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3.
  • Anund, Anna, et al. (author)
  • Piloting smart safe school bus : exploration of security gains from implementation of a driver support system, additional technical equipment and intelligent bus stops
  • 2010
  • In: European Transport Research Review. - Berlin : Springer. - 1867-0717 .- 1866-8887. ; 2:3, s. 157-163
  • Journal article (peer-reviewed)abstract
    • Purpose: Road crash statistics reveal that school children are frequent victims and the most risky situation is when the child is outside the bus. The aim of this pilot study was to explore possible changes in speed, implementation of routines, hazard detection and child security gains from a driver support system integrated with intelligent bus stops and additional technical equipment.Methods: In total, 130 children with transmitters were using two specially equipped busses and bus stops. Speed of oncoming and overtaking cars, implementation of routines, the possibilities to discover potential hazards and experienced stress in the children were analysed by speed measurements, diary notes, questionnaires and focus group interviews.Results: This pilot study exploration showed that the speeds of other road users were reduced at one of two bus stops. The driver support system was frequently used in all its parts and was considered useful by the bus drivers. It also raised the level of routines and allowed the drivers to survey the children. Children reported feeling more secure with the system running and experienced less stress as a consequence of it.Conclusion: This pilot study shows that the evaluated systems may have the ability to reduce speed of other road users, raise the level of routines and make children feel more secure. Further studies are needed that apply a holistic approach on school transportation safety and security.
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4.
  • Blane, Alison, et al. (author)
  • Assessing Cognitive Ability and Simulator-Based Driving Performance in Poststroke Adults
  • 2017
  • In: Behavioural Neurology. - : Hindawi Publishing Corporation. - 0953-4180 .- 1875-8584.
  • Journal article (peer-reviewed)abstract
    • Driving is an important activity of daily living, which is increasingly relied upon as the population ages. It has been well-established that cognitive processes decline following a stroke and these processes may influence driving performance. There is much debate on the use of off-road neurological assessments and driving simulators as tools to predict driving performance; however, the majority of research uses unlicensed poststroke drivers, making the comparability of poststroke adults to that of a control group difficult. It stands to reason that in order to determine whether simulators and cognitive assessments can accurately assess driving performance, the baseline should be set by licenced drivers. Therefore, the aim of this study was to assess differences in cognitive ability and driving simulator performance in licensed community-dwelling poststroke drivers and controls. Two groups of licensed drivers (37 poststroke and 43 controls) were assessed using several cognitive tasks and using a driving simulator. The poststroke adults exhibited poorer cognitive ability; however, there were no differences in simulator performance between groups except that the poststroke drivers demonstrated less variability in driver headway. The application of these results as a prescreening toolbox for poststroke drivers is discussed.
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5.
  • Blane, Alison, et al. (author)
  • Cognitive ability as a predictor of task demand and self-rated driving performance in post-stroke drivers : Implications for self-regulation
  • 2018
  • In: Journal of Transport and Health. - : Elsevier Ltd. - 2214-1405 .- 2214-1405.
  • Journal article (peer-reviewed)abstract
    • Driving is a highly complex task requiring multiple cognitive processes that can be adversely affected post-stroke. It is unclear how much ability post-stroke adults have to self-evaluate their driving performance. Furthermore, the impact of cognitive decline on this evaluation has not been previously investigated. The aim of this study was to investigate the perceived level of task demand involved in driving tasks, and to examine differences between perceived and observed driving performance in post-stroke drivers in comparison to a control group. A further aim of the research was to investigate the influence of cognition on self-rated driving performance. A total of 78 participants (35 post-stroke and 43 controls) were assessed using a series of cognitive tasks and were observed whilst driving. Participants were asked to rate their own driving performance and the task demand involved while driving using the NASA Task Load Index. Between group analyses were conducted to determine differences in the level of self-rated performance and task demand. Further analyses were conducted to investigate whether cognition accounted for differences in task demand or self-rated performance. Overall, the results suggested that the post-stroke drivers exhibited deficits in cognition, but they did not report increased levels of task demand when driving. Post-stroke adults also rated themselves more conservatively than the controls for on-road performance, which was associated with their reduced propensity for risk. The study suggests that cognitive deficits may influence post-stroke drivers to amend their driving behaviour, in order to bring the task demand within a manageable level. Understanding the mechanisms involved in self-rated performance and estimations of task demand can help promote accurate self-regulation practices in post-stroke drivers. Furthermore, measuring calibration may assist practitioners with assessing fitness-to-drive, as well as with tailoring driving rehabilitation. © 2018.
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6.
  • Blane, Alison, et al. (author)
  • Investigating cognitive ability and self-reported driving performance of post-stroke adults in a driving simulator
  • 2018
  • In: Topics in Stroke Rehabilitation. - : Taylor & Francis. - 1074-9357 .- 1945-5119. ; 25:1, s. 44-53
  • Journal article (peer-reviewed)abstract
    • Background: Safe driving is a complex activity that requires calibration. This means the driver can accurately assess the level of task demand required for task completion and can accurately evaluate their driving capability. There is much debate on the calibration ability of post-stroke drivers.Objectives: The aim of this study was to assess the cognition, self-rated performance, and estimation of task demand in a driving simulator with post-stroke drivers and controls.Methods: A between-groups study design was employed, which included a post-stroke driver group and a group of similarly aged older control drivers. Both groups were observed driving in two simulator-based driving scenarios and asked to complete the NASA Task Load Index (TLX) to assess their perceived task demand and self-rate their driving performance. Participants also completed a battery of psychometric tasks to assess attention and executive function, which was used to determine whether post-stroke cognitive impairment impacted on calibration.Results: There was no difference in the amount of perceived task demand required to complete the driving task. Despite impairments in cognition, the post-stroke drivers were not more likely to over-estimate their driving abilities than controls. On average, the post-stroke drivers self-rated themselves more poorly than the controls and this rating was related to cognitive ability.Conclusion: This study suggests that post-stroke drivers may be aware of their deficits and adjust their driving behavior. Furthermore, using self-performance measures alongside a driving simulator and cognitive assessments may provide complementary fitness-to-drive assessments, as well as rehabilitation tools during post-stroke recovery.
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7.
  • Falkmer, Torbjörn, 1958-, et al. (author)
  • Estimated societal costs of a hierarchical measures approach to enhanced school transportation safety at bus stops on roads with high speed limits
  • 2010
  • In: European Transport Research Review. - Berlin : Springer. - 1867-0717 .- 1866-8887. ; 2:4, s. 201-207
  • Journal article (peer-reviewed)abstract
    • Purpose: Most school bus related injury events in Sweden take place when the child is outside the bus. In order to enhance their safety, the societal costs of four different measures applied on “bus stops” on high speed roads were investigated.Methods: From a door-to-door perspective, a measure hierarchy, comprising the four existing measures, viz.: Rerouting using the current operating vehicle, New construction, Rerouting using a different operating vehicle, Speed reduction in the vicinity of the “bus stop” was applied.Results: By allocating 7.7 € per child per school day, almost nine out of ten children’s transportation safety may substantially be enhanced, simply by rerouting the current operating vehicle or using alternative operating vehicles.Conclusions: In the investigated municipality it was feasible to enhance school transportation safety for children by implementing cheap and alternative measures.
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8.
  • Falkmer, Torbjörn, et al. (author)
  • The Test of Visual Perceptual Skills (non-motor) Upper Level is Not a Valid Predictor for the Outcome of Driver Education
  • 2001
  • In: Scandinavian Journal of Occupational Therapy. - : Informa UK Limited. - 1103-8128 .- 1651-2014. ; 8:2, s. 72-78
  • Journal article (peer-reviewed)abstract
    • In order to reduce the monetary and personal costs of driver training for persons with cerebral palsy, it is of interest to find a predictor that is able to select potential license holders. Previous research has shown that such a predictor could be one that assesses visual perception. In the present study, the Test of Visual Perceptual Skills (non-motor) Upper Level, was validated for predicting the outcome of driver education. It was found that using the test for this purpose could not be recommended. The findings of the present study were not in accordance with the results of other studies on the predictive value of perceptual tests regarding the ability to drive, owing to the use of different methods. Future studies should focus on cross-validation of perceptual tests for different types of independent variables, such as driving license or not, accident involvement and driving ability.
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9.
  • Falkmer, Torbjörn, et al. (author)
  • Usability of the SAFEWAY2SCHOOL system in children with cognitive disabilities
  • 2014
  • In: European Transport Research Review. - : Springer Berlin/Heidelberg. - 1867-0717 .- 1866-8887. ; 6:2, s. 127-137
  • Journal article (peer-reviewed)abstract
    • SAFEWAY2SCHOOL is a programme based on several systems for the enhancement of school transportation safety for children. The aim of the study was to explore whether children with cognitive disabilities will notice, realise, understand, trust and accept the SAFEWAY2SCHOOL system and act in accordance with its instructions. Methods: Fourteen children with cognitive disabilities and a control group of 23 children were shown five videos of scenarios involving journeys to and from school. During the first viewing visual scanning patterns were recorded with an eye tracking device. After a second viewing the participant was asked ten questions per scenario. Five questions addressed what the children saw on the video, and the remaining five what they would need to know and/or do within the scenario. Additional ratings of trust, likability, acceptability and usability were also collected. Results: Very few differences were found in the visual scanning patterns of children with disabilities compared to children who participated in the control group. Of the 50 questions regarding what children saw or needed to know and/or do, only one significant difference between groups was found. No significant differences were found regarding self-reported ratings of trust, acceptability or usability of the system. Despite some significant differences across five of the 11 likability aspects, ratings were consistently high for both groups. Conclusions: Children with cognitive disabilities proved that the SAFEWAY2SCHOOL system is as useful for them as it was for children in the control group. However, a valid estimation of the full utility of SAFEWAY2SCHOOL requires in situ testing of the system with these children. © 2013 The Author(s).
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10.
  • Hughes, Ben P., et al. (author)
  • A comprehensive conceptual framework for road safety strategies
  • 2016
  • In: Accident Analysis and Prevention. - : Elsevier BV. - 0001-4575 .- 1879-2057. ; 90, s. 13-28
  • Journal article (peer-reviewed)abstract
    • Road safety strategies (generally called Strategic Highway Safety Plans in the USA) provide essential guidance for actions to improve road safety, but often lack a conceptual framework that is comprehensive, systems theory based, and underpinned by evidence from research and practice. This paper aims to incorporate all components, policy tools by which they are changed, and the general interactions between them. A framework of nine mutually interacting components that contribute to crashes and ten generic policy tools which can be applied to reduce the outcomes of these crashes was developed and used to assess 58 road safety strategies from 22 countries across 15 years.The work identifies the policy tools that are most and least widely applied to components, highlighting the potential for improvements to any individual road safety strategy, and the potential strengths and weaknesses of road safety strategies in general. The framework also provides guidance for the development of new road safety strategies, identifying potential consequences of policy tool based measures with regard to exposure and risk, useful for both mobility and safety objectives.
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