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ERIC Number: EJ1055987
Record Type: Journal
Publication Date: 2013-Jul
Pages: 14
Abstractor: As Provided
Reference Count: 46
ISBN: N/A
ISSN: ISSN-0278-7393
The Effect of Hierarchical Task Representations on Task Selection in Voluntary Task Switching
Weaver, Starla M.; Arrington, Catherine M.
Journal of Experimental Psychology: Learning, Memory, and Cognition, v39 n4 p1128-1141 Jul 2013
The current study explored the potential for hierarchical representations to influence action selection during voluntary task switching. Participants switched between 4 individual task elements. In Experiment 1, participants were encouraged to represent the task elements as grouped within a hierarchy based on experimental manipulations of varying complexity. Manipulations implemented only during the practice phase of the experiment failed to influence action selection; however, manipulations that persisted throughout the experiment influenced action selection in a manner suggestive of a hierarchical task representation. Experiment 2 demonstrated that, once established, the influences of hierarchical representations appear to persist, regardless of whether they are required. The results suggest that hierarchical representations may play a functional role of goal shielding in action selection.
American Psychological Association. Journals Department, 750 First Street NE, Washington, DC 20002. Tel: 800-374-2721; Tel: 202-336-5510; Fax: 202-336-5502; e-mail: order@apa.org; Web site: http://www.apa.org
Publication Type: Journal Articles; Reports - Research
Education Level: Higher Education; Postsecondary Education
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A