Roles of salience and strategy in conjunction search.

Full Abstract

In some cases, the search for a conjunction target proceeds through the smaller group of elements in a display, whereas in others, search is limited to those elements that share a particular feature with the target. In 6 experiments, participants searched for a conjunction target among displays consisting of various proportions of 2 distractor types. Smaller-group search was more prevalent than target-feature search with denser displays and with features that were highly discriminable. Explicit instructions to limit search to a specific feature affected performance only when the discriminability of the guiding feature was much greater than the other target feature. Together, these experiments show that bottom-up factors have more influence in guiding conjunction searches than previously thought.

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Author information

Author/s: Sobel, Kenith V (KV); Cave, Kyle R (KR);

Affiliation: Department of Psychology, Vanderbilt University, Nashville, Tennessee 37240, USA. k.sobel(-atsign-)vanderbilt.edu

Journal and publication information

Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial

Journal: Journal of experimental psychology. Human perception and performance (J Exp Psychol Hum Percept Perform), published in United States. (Language: eng)

Reference: 2002-Oct; vol 28 (issue 5) : pp 1055-70

Dates: Created 2002/11/07; Completed 2003/02/26; Revised 2004/11/17;

PMID: 12421055, status: MEDLINE (last retrieval date: 11/6/2008)

Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.

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