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dc.contributor.advisorCowan, Nelsoneng
dc.contributor.authorGilchrist, Amanda L.eng
dc.contributor.otherUniversity of Missouri-Columbia. Graduate School. Theses and Dissertations. Dissertations. 2011 Dissertationseng
dc.date.issued2011eng
dc.date.submitted2011 Springeng
dc.descriptionTitle from PDF of title page (University of Missouri--Columbia, viewed on October 18, 2012).eng
dc.descriptionThe entire thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file; a non-technical public abstract appears in the public.pdf file.eng
dc.descriptionDissertation advisor: Dr. Nelson Cowaneng
dc.descriptionVita.eng
dc.descriptionPh. D. University of Missouri--Columbia 2011eng
dc.description"May 2011"eng
dc.description.abstractResearchers of working memory currently debate capacity limits of the focus of attention, the proposed mental faculty in which items are most easily accessed. Cowan (1999) suggested that its capacity is about 4 chunks, whereas others have suggested that its capacity is only 1 chunk. Recently, Oberauer and Bialkova (2009) found evidence that 2 items could reside in the focus of attention, but only because they were combined into a single chunk. We modified their experimental procedure, which depends on a pattern of switch costs, to obtain a situation in which chunking was not likely to occur (i.e., each item remained a separate chunk), and still obtained results consistent with a capacity of at least 2 items. Therefore, either the focus of attention can hold multiple chunks, or the switch cost logic must be reconsidered.eng
dc.description.bibrefIncludes bibliographical referenceseng
dc.format.extentvi, 80 pageseng
dc.identifier.oclc872560305eng
dc.identifier.urihttps://doi.org/10.32469/10355/15772eng
dc.identifier.urihttps://hdl.handle.net/10355/15772
dc.languageEnglisheng
dc.publisherUniversity of Missouri--Columbiaeng
dc.relation.ispartofcollectionUniversity of Missouri--Columbia. Graduate School. Theses and Dissertations.eng
dc.rightsOpenAccess.eng
dc.rights.licenseThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 License.
dc.subjectfocus of attentioneng
dc.subjectworking memoryeng
dc.subjectmemory capacityeng
dc.subjectreaction timeeng
dc.subjectswitch costseng
dc.titleCan the focus of attention accommodate multiple, separate items?eng
dc.typeThesiseng
thesis.degree.disciplinePsychology (MU)eng
thesis.degree.grantorUniversity of Missouri--Columbiaeng
thesis.degree.levelDoctoraleng
thesis.degree.namePh. D.eng


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