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Post, M.W.M. (author), de Witte, L.P. (author), Reichrath, E. (author), Verdonschot, M.M. (author), Wijlhuizen, G.J. (author), Perenboom, R.J.M. (author), TNO Kwaliteit van Leven (author)Objective: IMPACT-S is the screener part of the ICF Measure of Participation and ACTivities questionnaire. IMPACT-S consists of 33 items in 9 scales, reflecting the 9 activity and participation chapters of the International Classification of Functioning, Disability and Health (ICF). The reliability and validity of IMPACT-S as an independent...article 2008
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Mooi, H.G. (author), Galliano, F. (author), TNO Wegtransportmiddelen (author)In September 1999 the Dutch Accident Research Team (DART) within TNO Automotive started with the in-depth investigation of traffic accidents. In this paper, the methodology, working procedures and experiences of the team are described and explained in detail. Furthermore, an elaborate description of a European study of Powered Two-Wheeler (PTW)...conference paper 2001
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van Winsum, W. (author), Brookhuis, K.A. (author), de Waard, D. (author), TNO Human Factors Research Institute (author)Three experiments are presented in which the accuracy of different methods to approximate time-to-line crossing is assessed. In the first experiment TLC was computed, using a trigonometric method, during normal driving while the vehicle stayed in lane. The minima of TLC were compared with two approximations and it was found computing TLC as...article 2000
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van Winsum, W. (author)18 Subjects were tested in a simulator to assess whether choice of time headway in car-following is related to individual differences in perceptual-motor skills. Drivers with a larger preferred time headway committed larger steering errors while driving on a winding road and were less accurate in maintaining a constant distance to a lead vehicle...article 1999
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Theeuwes, J. (author), Riemersma, J.B.J. (author), TNO Technische Menskunde (author)In Sweden the use of daytime running lights (DRL) was made mandatory on 1 October 1977 for all motor vehicles at once, during all seasons and for all areas. According to a study conducted by Andersson and Nilsson (1981) the introduction of DRL resulted in a reduction of 11% of multiple accidents during daytime. In many discussions on the...article 1995
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Janssen, W.H. (author), Wierda, M. (author), van der Horst, A.R.A. (author)This paper sets out by identifying five plausible stages in the automation of the road traffic system, ranging from the introduction of part systems that support specific task components (navigation, collision avoidance) to full automation of roads and vehicles. It is then attempted to predict how drivers will respond to each successive stage of...article 1995
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Janssen, W.H. (author), Tenkink, E. (author), Instituut voor Zintuigfysiologie TNO (author)Risk-taking behavior by drivers is put within the context of a general model of utility maximization by speed choice. It is shown that so-called "risk homeostasis" is possible only under very restrictive conditions. Under more general conditions, risk compensation can occur; that is, the safety effects expected from engineering measures will be...article 1988
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Riemersma, J.B.J. (author), Instituut voor Zintuigfysiologie TNO (author)Driver behaviour will partially be a function of the cognitive schemata by which drivers represent features, functions and operations of traffic system components. This paper uses the Repertory Grid Technique to address the questions: (1) How do drivers internally represent different categories of road? (2) How are those representations mapped...article 1988
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Pokorny, M.L.I. (author), Blom, D.H.J. (author), van Leeuwen, P. (author), van Nooten, W.N. (author), Nederlands Instituut voor Praeventieve Gezondheidszorg TNO (author)This paper presents a portion of the results of a comprehensive analysis of the etiology of bus driver accidents. This portion of the analysis concentrates on two questions. First, does the sequences of various shifts influence accident risk on a given day? Various analyses led us to conclude that there was no interaction between the type of...article 1987
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Instituut voor Zintuigfysiologie TNO (author), Godthelp, J. (author)Based on a preview-predictor model, the time-to-line crossing (TLC) description was developed to quantify the potential role of error-neglecting strategies in driving. In a previous study the usefulness of the TLC concept was illustrated for straight lane keeping. In the present analysis TLC was applied to describe steering through a curve. When...article 1986