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Visual, Auditory, Cognitive, and Psychomotor Demands of Real In-Vehicle Tasks.
| 题名： | Visual, Auditory, Cognitive, and Psychomotor Demands of Real In-Vehicle Tasks. |
| 作者： | S. Yee; L. Nguyen; P. Green; J. Oberholtzer; B. Miller; |
| 关键词： | driving,visual demand,motor vehicle operators;distraction, driving performance, motor vehicle crashes, ergonomics, telematics, human factors, safety; |
| 摘要： | Two analysts rated the visual, auditory, cognitive, and psychomotor demands of 68 subtasks (e.g., prepare to eat/drink, converse on the cell phone) performed while driving. Ratings were relative to anchors from the U.S. Army IMPRINT modeling tool (0-to-7 scale). Video clips of those subtasks were sampled from the advanced collision avoidance system (ACAS) field operational test (FOT) database, a naturalistic study of driving previously performed by UMTRI. Key findings were: (1) The most demanding tasks were dialing a phone, answering a phone, lighting a cigar or cigarette, dealing with pet and insect distractions, dealing with spilled drinks and food, typing with 2 thumbs, and drinking from a cup, in that order. (2) Demand levels within subtasks were moderately correlated (visual-cognitive=0.68, visual-psychomotor=0.48, cognitive-auditory=0.42, cognitive -psychomotor=0.34) or close to 0. (3) In terms of these ratings, cognitive demands, both per unit time and when weighted by exposure, were consistently double the value of others. (4) Demands varied to a limited degree among road types. (5) There were consistent differences in demand due to driver age and sex. Researchers are encouraged to use the demand ratings provided and extend them to other tasks so tasks can be compared across experiments. / Title Note: Final rept. / Supplementary Notes: Sponsored by Delphi-Delco Electronic Systems, Kokomo, IN. / Availability Note: Product reproduced from digital image. Order this product from NTIS by: phone at 1-800-553-NTIS (U.S. customers); (703)605-6000 (other countries); fax at (703)605-6900; and email at orders@ntis.gov. NTIS is located at 5301 Shawnee Road, Alexandria, VA, 22312, USA. / NTIS Prices: PC A07/MF A07 / NTIS In-house Control Codes: umtri;12111,1101 |
| 报告类型： | 科技报告 |
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