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Fractionating the preview benefit in search : dual-task decomposition of visual marking by timing and modality
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Humphreys, Glyn W., Watson, Derrick G. and Jolicœur, Pierre (2002) Fractionating the preview benefit in search : dual-task decomposition of visual marking by timing and modality. Journal of Experimental Psychology: Human Perception and Performance, Vol.28 (No.3). pp. 640-660. doi:10.1037//0096-1523.28.3.640 ISSN 0096-1523.
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Official URL: http://dx.doi.org/10.1037//0096-1523.28.3.640
Abstract
Providing participants with a preview of half the distractors in a visual search task facilitates performance. The present study examined the effects of secondary tasks on the preview benefit in search. Participants had to attend to a visual or an auditory stream of digits that began either (a) at the onset of the preview or (b) after the preview. Secondary tasks that onset with the preview disrupted the preview benefit irrespective of their modality. Only visual secondary tasks disrupted the benefit in the delayed condition. These selective interference effects suggest that the preview benefit can be fractionated into 2 components: an initialization component that involves modality-independent resources and a maintenance component that depends on visual resources. Results are discussed in relation to theoretical accounts of the preview benefit in search.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | B Philosophy. Psychology. Religion > BF Psychology | ||||
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Psychology | ||||
| Library of Congress Subject Headings (LCSH): | Distraction (Psychology), Visual discrimination, Visual perception | ||||
| Journal or Publication Title: | Journal of Experimental Psychology: Human Perception and Performance | ||||
| Publisher: | American Psychological Association | ||||
| ISSN: | 0096-1523 | ||||
| Official Date: | June 2002 | ||||
| Dates: |
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| Volume: | Vol.28 | ||||
| Number: | No.3 | ||||
| Number of Pages: | 21 | ||||
| Page Range: | pp. 640-660 | ||||
| DOI: | 10.1037//0096-1523.28.3.640 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Funder: | Royal Society (Great Britain), Economic and Social Research Council (Great Britain) (ESRC), Medical Research Council (Great Britain) (MRC), Human Frontier Science Program (HFSP) |
Data sourced from Thomson Reuters' Web of Knowledge
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