Dr Kait Clark Kait.Clark@uwe.ac.uk
Senior Lecturer in Psychology (Cognitive and Neuro)
Context matters: The structure of task goals affects accuracy in multiple-target visual search
Clark, Kait; Cain, Matthew; Adcock, R. Alison; Mitroff, Stephen R.
Authors
Matthew Cain
R. Alison Adcock
Stephen R. Mitroff
Abstract
Career visual searchers such as radiologists and airport security screeners strive to conduct accurate visual searches, but despite extensive training, errors still occur. A key difference between searches in radiology and airport security is the structure of the search task: Radiologists typically scan a certain number of medical images (fixed objective), and airport security screeners typically search X-rays for a specified time period (fixed duration). Might these structural differences affect accuracy? We compared performance on a search task administered either under constraints that approximated radiology or airport security. Some displays contained more than one target because the presence of multiple targets is an established source of errors for career searchers, and accuracy for additional targets tends to be especially sensitive to contextual conditions. Results indicate that participants searching within the fixed objective framework produced more multiple-target search errors; thus, adopting a fixed duration framework could improve accuracy for career searchers. © 2013 Elsevier Ltd and The Ergonomics Society.
Citation
Clark, K., Cain, M., Adcock, R. A., & Mitroff, S. R. (2014). Context matters: The structure of task goals affects accuracy in multiple-target visual search. Applied Ergonomics, 45(3), 528-533. https://doi.org/10.1016/j.apergo.2013.07.008
Journal Article Type | Article |
---|---|
Acceptance Date | Jul 20, 2013 |
Online Publication Date | Aug 16, 2013 |
Publication Date | Jan 1, 2014 |
Deposit Date | Aug 2, 2017 |
Journal | Applied Ergonomics |
Print ISSN | 0003-6870 |
Electronic ISSN | 1872-9126 |
Publisher | Elsevier |
Peer Reviewed | Peer Reviewed |
Volume | 45 |
Issue | 3 |
Pages | 528-533 |
DOI | https://doi.org/10.1016/j.apergo.2013.07.008 |
Keywords | visual search, radiology, airport security screening |
Public URL | https://uwe-repository.worktribe.com/output/817890 |
Publisher URL | http://dx.doi.org/10.1016/j.apergo.2013.07.008 |
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