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Color grouping in space time:evidence from negative color-based carry-over effects in preview search

Braithwaite, Jason and Humphreys, Glyn and Hodsoll, John (2003) Color grouping in space time:evidence from negative color-based carry-over effects in preview search. Journal of Experimental Psychology: Human Perception and Performance, 29 (4). pp. 758-778. ISSN 0096-1523

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Abstract

Five experiments addressed the role of color grouping in preview search (D. G. Watson & G. W. Humphreys, 1997). Experiment 1 used opposite color ratios of distractors in preview and second search displays, creating equal numbers of distractors in each color group in the final display. There was selective slowing for new targets carrying the majority color of the old items. This effect held when there was no bias in the preview and only the second search set had an uneven color ratio (Experiment 2). In Experiment 3, participants had foreknowledge of the target color, and effects were shown over and above those due to color biases. Experiment 4 demonstrated negative color carryover even when previews changed color. Experiment 5 showed reduced color carryover effects when previews were presented more briefly. Collectively, the results provide evidence for inhibitory carryover effects in preview search based on feature grouping.

Item Type: Article
Journal or Publication Title: Journal of Experimental Psychology: Human Perception and Performance
Subjects:
Departments: Faculty of Science and Technology > Psychology
ID Code: 81748
Deposited By: ep_importer_pure
Deposited On: 23 Sep 2016 09:20
Refereed?: Yes
Published?: Published
Last Modified: 21 Sep 2017 01:45
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/81748

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