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Correlation between safety assessments in the driver-car interaction design process
Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Arbetsvetenskap.ORCID-id: 0000-0002-9272-1520
Swedish Institute of Computer Science (SICS).
2011 (Engelska)Ingår i: Applied Ergonomics, ISSN 0003-6870, E-ISSN 1872-9126, Vol. 42, nr 4, s. 575-582Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

With the functional revolution in modern cars, evaluation methods to be used in all phases of driver-car interaction design have gained importance. It is crucial for car manufacturers to discover and solve safety issues early in the interaction design process. A current problem is thus to find a correlation between the formative methods that are used during development and the summative methods that are used when the product has reached the customer. This paper investigates the correlation between efficiency metrics from summative and formative evaluations, where the results of two studies on sound and navigation system tasks are compared. The first, an analysis of the J.D. Power and Associates APEAL survey, consists of answers given by about two thousand customers. The second, an expert evaluation study, was done by six evaluators who assessed the layouts by task completion time, TLX and Nielsen heuristics. The results show a high degree of correlation between the studies in terms of task efficiency, i.e. between customer ratings and task completion time, and customer ratings and TLX. However, no correlation was observed between Nielsen heuristics and customer ratings, task completion time or TLX. The results of the studies introduce a possibility to develop a usability evaluation framework that includes both formative and summative approaches, as the results show a high degree of consistency between the different methodologies. Hence, combining a quantitative approach with the expert evaluation method, such as task completion time, should be more useful for driver-car interaction design.

Ort, förlag, år, upplaga, sidor
2011. Vol. 42, nr 4, s. 575-582
Nationell ämneskategori
Produktionsteknik, arbetsvetenskap och ergonomi
Forskningsämne
Teknisk psykologi
Identifikatorer
URN: urn:nbn:se:ltu:diva-6577DOI: 10.1016/j.apergo.2010.06.019ISI: 000288147900007Scopus ID: 2-s2.0-79551604057Lokalt ID: 4d276730-edac-11df-8b36-000ea68e967bOAI: oai:DiVA.org:ltu-6577DiVA, id: diva2:979463
Projekt
EFESOS - Environmental Friendly efficient Enjoyable and Safety Optimized Systems
Anmärkning

Validerad; 2011; 20101111 (ysko)

Tillgänglig från: 2016-09-29 Skapad: 2016-09-29 Senast uppdaterad: 2018-07-10Bibliografiskt granskad

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Broström, RobertBengtsson, Peter
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