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Individual glance strategies and their effect on the NHTSA visual manual distraction test
Luleå University of Technology, Department of Business Administration, Technology and Social Sciences.
Luleå University of Technology, Department of Business Administration, Technology and Social Sciences, Human Work Science.ORCID iD: 0000-0002-9272-1520
Volvo Car Corporation.
2016 (English)In: Transportation Research Part F: Traffic Psychology and Behaviour, ISSN 1369-8478, E-ISSN 1873-5517, Vol. 36, p. 83-91Article in journal (Refereed) Published
Abstract [en]

The purpose of this paper was to investigate how individual differences in glance strategy could impact the glance performance test defined in the NHTSA visual manual distraction guidelines. Better understanding of the test procedure could help development of new technology for safe driving. A custom in-vehicle information system was developed and assessed in a driving simulator by eighteen participants. The interfaces were designed according to recommendations in the NHTSA guidelines and contained manual radio-tuning tasks, sound settings tasks and six letter spelling tasks. Two of the six tested interfaces fully complied with the test. In addition, clear individual differences in glance strategy were found among the participants. Four individual glance strategies were identified. Two of these, long glancers and frequent glancers, highly affected the outcome of the compliance test. Participants belonging to the long glancers and the frequent glancers categories were identified as statistical outliers in many test cases. For example, if the individual values of these participants were replaced with sample mean, the number of complying interfaces would increase to five out of six, which is more in line with expectations for these interfaces. The results of this study show that individual variations in glance strategy exist. Also, these individual variations seem to have a non- negligible influence on the result when performance-testing of in-vehicle interfaces is done according to the NTHSA guidelines.

Place, publisher, year, edition, pages
2016. Vol. 36, p. 83-91
National Category
Production Engineering, Human Work Science and Ergonomics
Research subject
Engineering Psychology
Identifiers
URN: urn:nbn:se:ltu:diva-4668DOI: 10.1016/j.trf.2015.10.017ISI: 000368204900009Scopus ID: 2-s2.0-84952328991Local ID: 2a61e72d-45c5-47ec-9a50-f81d8d3c229aOAI: oai:DiVA.org:ltu-4668DiVA, id: diva2:977542
Note
Validerad; 2016; Nivå 2; 20151223 (andbra)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Broström, RobertBengtsson, Peter

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