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Please use this identifier to cite or link to this item: http://bura.brunel.ac.uk/handle/2438/661

Title: Miles away. Determining the extent of secondary task interference on simulated driving
Authors: Young, MS
Stanton, NA
Keywords: Attentional resources
Driving simulator
Experimental design
Mental workload
Secondary task
Publication Date: 2007
Publisher: Taylor and Francis
Citation: Theoretical Issues in Ergonomics Science. 8(3): 233–253
Abstract: There is a seemingly perennial debate in the literature about the relative merits of using a secondary task as a measure of spare attentional capacity. One of the main drawbacks is that it could adversely affect the primary task, or other measures of mental workload. The present experiment therefore addressed an important methodological issue for the dual-task experimental approach – that of secondary task interference. The current experiment recorded data in both single- and dual-task scenarios to ascertain the level of secondary task interference in the Southampton Driving Simulator. The results indicated that a spatial secondary task did not have a detrimental effect on driving performance, although it consistently inflated subjective mental workload ratings. However, the latter effect was so consistent across all conditions that it was not considered to pose a problem. General issues of experimental design, as well as wider implications of the findings for multiple resources theory, are discussed
URI: http://bura.brunel.ac.uk/handle/2438/661
DOI: http://dx.doi.org/10.1080/14639220601129228
Appears in Collections:Design
Ergonomics
School of Engineering and Design Research papers
Psychology

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