Hazard anticipation of young novice drivers - SWOV

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For the control group the opposite was the case: before the placebo training the mean was 3.88 (SD = 0.93) and after the placebo training and testing the mean was 4.00 (SD = 0.69). However, repeated measures ANOVA showed that the small decrease in overestimation of the SimRAPT-group and the small increase in over estimation of the control group was not significant, F(1,28) = 0.45, p = .25. Although the overestimation of skills and abilities was not significantly lower after the training because of SimRAPT, the intention to drive more conservative in the future, was. After the (placebo) training and the testing, participant were requested to indicate what they thought their future driving style would be on a 5-point Likert scale (1 = very conservative and 5 = very aggressive). The SimRAPT-group rated their future driving style significantly as more conservative than the control group with a medium effect size, U = 88.5, p
Figure 6.3. Percentage correctly anticipated latent hazards in the ten situations the SimRAPT group and the RAPT-3 had in common as a near transfer situation or as a far transfer situation. The mean percentage of correctly anticipated latent hazards was M = 76.63 (SE = 4.85) for the SimRAPT group, M = 73.78 (SE = 4.85) for the RAPT-3 group and M = 50.83 (SE = 4.85) for the control group. As the scores of the SimRAPT group were not normally distributed [D (18) = 0.23, p < .05], the Kruskal-Wallis test was applied: H (2) = 12.70, p < .01. This result indicates that the three groups differed significantly. A Bonferroni correction when three groups are involved in the analysis, turns a significance level of p < .05 into a significance level of p < .0167. Applying a Bonferroni correction, a Mann-Whitney test shows that the mean percentage correctly anticipated latent hazard was significantly higher for the SimRAPT group than for the control group and the effect size was large, U = 65.5, p = .002, r = -.72. The mean percentage correctly anticipated latent hazards was also significantly higher for the RAPT-3 group than for the control group and the effect size was large, U = 68.5, p = 0.002, r = -.70. However, the difference in percentages correctly anticipated latent hazards between the SimRAPT group and the RAPT-3 group was not significant, U = 136, p = .41. 220
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Hazard anticipation of young novice
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SWOV-Dissertatiereeks, Leidschendam
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Promotores: Prof. dr. W.H. Brouwer
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development of hazard perception te
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Table of contents 1. General introd
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1. General introduction 1.1. Hazard
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27% of all driver fatalities were d
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eported 73 car crashes during the p
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with respondents that started their
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2. Determinants that influence haza
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planning of a trip, choice of the m
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that encompasses the entire second
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peaks at 16.7 years of age in girls
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Figure 2.2. Model of the different
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Keating (2007) mentioned the matura
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Table 2.1. Relative fatality ratios
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When do these sex differences emerg
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Functional brain differences in boy
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oth groups had in common was their
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3. Extroversion: Extrovert persons
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is less in these brain areas, but a
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2.4.2. Peer group influences In ado
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deduced that car drivers younger th
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or little interference with the dri
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2.4.4. Socioeconomic and cultural b
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Preusser, 2002). The crash rate of
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impact on road safety. Despite the
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condition for the older, more exper
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person (e.g. a passenger or a pedes
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tasks was 3.10, 95% CI [1.73, 5.47]
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traffic situation is safe enough to
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2.6.1. Exposure In Section 1.2, the
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58 56 Male Drivers Female Drivers S
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100 Killed car occupants aged 18-24
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less well equipped to detect and re
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3.2. Hazard anticipation A hazard i
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Drivers are aware of hazards when t
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1. Possible other road users on col
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oriented and the vertical axis is t
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away from me, given the particular
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the task demands. The range of acce
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Figure 3.4. Zero-risk model (Näät
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with FTD, poor monitoring of the ri
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elatively high speed in the same di
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only associated with top-down activ
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information transformation processe
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(consciously) controlled action reg
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on the left lane of a motorway (in
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3.7.1, 3.7.2 and 3.7.3. This is don
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driver does not think that she or h
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for experienced drivers even in cir
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sound was heard) and some participa
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stage. In this stage, learners comm
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A theory that explains how we may l
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were about to turn left while their
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4. Hazard anticipation, age and exp
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hazards, drivers have to imagine a
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overview of their studies: McKenna
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with regard to the risk felt in the
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Participants were requested to pres
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of the visual acuity in the fovea.
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working memory. Both bottom-up proc
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without gaze control (the gray arro
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urban areas than on rural roads, no
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the right between the parked cars i
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that in the video clips no visible
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• Young learner drivers (age rang
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• Did you have moments that you t
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difference between overt latent haz
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4.2.3. Procedure On arrival, the ex
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ecognition task, risk assessment an
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Table 4.1. Percentage of the partic
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that cognitive aspects of hazard an
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80 70 Mean percentage mentioned cov
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Table 4.3. Percentages of latent ha
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latent hazards was higher than the
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Discussion about fixated latent haz
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mentioned latent hazards, young lea
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Gaze directions and fixation durati
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4.3.3. Relationship between the two
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selection task cannot be used to te
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Underwood, Chapman et al. (2002) an
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Page 172 and 173: 5. Testing hazard anticipation, an
Page 174 and 175: • The video task and the photo ta
Page 176 and 177: animation clips were made, each las
Page 178 and 179: The photo task Three experts on the
Page 180 and 181: 5.2.3. Procedure Participants were
Page 182 and 183: 5.2.6. Overt and covert latent haza
Page 184 and 185: The effect size was small, η 2 P =
Page 186 and 187: action selection task of Chapter 4,
Page 188 and 189: 3. Effect of interruptions The inte
Page 190 and 191: 5.3.3. Procedure Participants were
Page 192 and 193: The mean click score was M = 7.7 (S
Page 194 and 195: ottom-up gaze control (the tractor
Page 196 and 197: 6. Simulator-based hazard anticipat
Page 198 and 199: al., 2002; Regan, Triggs, & Godley,
Page 200 and 201: esources to vehicle control (steeri
Page 202 and 203: of the University of Massachusetts
Page 204 and 205: In contrast, Ivancic & Hesketh (200
Page 206 and 207: students, whereas participants that
Page 208 and 209: for the training were based on thos
Page 210 and 211: 6.2.3. Training intervention SimRAP
Page 212 and 213: A screen capture of the centre scre
Page 214 and 215: Table 6.2. (continued) critical sit
Page 216 and 217: at least sixteen of the nineteen si
Page 218 and 219: latent hazards. This is not very su
Page 222 and 223: The combined three near transfer si
Page 224 and 225: training program was mostly on over
Page 226 and 227: 7. Discussion and conclusions 7.1.
Page 228 and 229: ehaviour could be the cause of unsa
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Page 236 and 237: than both other groups. It is likel
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Page 240 and 241: hazards are a good indicator of som
Page 242 and 243: order to avoid attribution of an ex
Page 244 and 245: References Abelson, R.P. (1981). Ps
Page 246 and 247: underlying reaction time to visual
Page 248 and 249: Darby, P., Murray, W. & Raeside, R.
Page 250 and 251: Fuller, R. (2007b). Motivational de
Page 252 and 253: Irwin, D.E. (2004). Fixation locati
Page 254 and 255: Louwerens, J.W., Gloerich, A.B.M.,
Page 256 and 257: Murray, Å. (1998). The home and sc
Page 258 and 259: Roth, M. (2009). Social support as
Page 260 and 261: Ulleberg, P. (2001). Personality su
Page 262 and 263: Summary Driving most of the times,
Page 264 and 265: Deficit Hyperactivity Disorder (ADH
Page 266 and 267: framework of Brouwer & Schmidt (200
Page 268 and 269: and older learner drivers. From the
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prepare participants for the tasks.
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group than before the training and
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verkeer. Het probleem van de jonge
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status en een auto betekent ook vri
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Belangrijk is dat zowel bij zichtba
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en ervaren bestuurders (Huestegge e
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afgerond, hadden ook een significan
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om hun veiligheidsmarge te vergrote
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About the author Willem Vlakveld wa
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4. On a rural road when driving str
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they keep on walking in the same di
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5. The driver drivers straight on a
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Appendix 3 Additional latent hazard
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Appendix 4 Glossary of abbreviation
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economic progress and world trade.
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Appendix 5 Glossary on brain issues
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Gonadotropin releasing hormone Gray
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MEG Motor cortex MRI Myelination Ne
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PFC Serotonin Striatum Synaptic pru
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SWOV-Dissertatiereeks In deze reeks
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