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Article: Exploring the developmental changes in automatic two-digit number processing

TitleExploring the developmental changes in automatic two-digit number processing
Authors
KeywordsAutomaticity
Development
Number magnitude
Numerical processing
Stroop
Two-digit numbers
Issue Date2011
PublisherElsevier Inc. The Journal's web site is located at http://www.elsevier.com/wps/find/journaldescription.cws_home/622873/description
Citation
Journal Of Experimental Child Psychology, 2011, v. 109 n. 3, p. 263-274 How to Cite?
AbstractEven when two-digit numbers are irrelevant to the task at hand, adults process them. Do children process numbers automatically, and if so, what kind of information is activated? In a novel dot-number Stroop task, children (Grades 1-5) and adults were shown two different two-digit numbers made up of dots. Participants were asked to select the number that contained the larger dots. If numbers are processed automatically, reaction time for dot size judgment should be affected by numerical characteristics. The results suggest that, like adults, children process two-digit numbers automatically. Based on the current findings, we propose a developmental trend for automatic two-digit number processing that goes from decomposed sequential (activation of decade digit followed by that of unit digit) to decomposed parallel processing (simultaneous activation of decade and unit digits). © 2011 Elsevier Inc.
Persistent Identifierhttp://hdl.handle.net/10722/169084
ISSN
2015 Impact Factor: 2.333
2015 SCImago Journal Rankings: 1.954
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorChan, WWLen_HK
dc.contributor.authorAu, TKen_HK
dc.contributor.authorTang, Jen_HK
dc.date.accessioned2012-10-08T03:41:36Z-
dc.date.available2012-10-08T03:41:36Z-
dc.date.issued2011en_HK
dc.identifier.citationJournal Of Experimental Child Psychology, 2011, v. 109 n. 3, p. 263-274en_HK
dc.identifier.issn0022-0965en_HK
dc.identifier.urihttp://hdl.handle.net/10722/169084-
dc.description.abstractEven when two-digit numbers are irrelevant to the task at hand, adults process them. Do children process numbers automatically, and if so, what kind of information is activated? In a novel dot-number Stroop task, children (Grades 1-5) and adults were shown two different two-digit numbers made up of dots. Participants were asked to select the number that contained the larger dots. If numbers are processed automatically, reaction time for dot size judgment should be affected by numerical characteristics. The results suggest that, like adults, children process two-digit numbers automatically. Based on the current findings, we propose a developmental trend for automatic two-digit number processing that goes from decomposed sequential (activation of decade digit followed by that of unit digit) to decomposed parallel processing (simultaneous activation of decade and unit digits). © 2011 Elsevier Inc.en_HK
dc.languageengen_US
dc.publisherElsevier Inc. The Journal's web site is located at http://www.elsevier.com/wps/find/journaldescription.cws_home/622873/descriptionen_HK
dc.relation.ispartofJournal of Experimental Child Psychologyen_HK
dc.rightsNOTICE: this is the author’s version of a work that was accepted for publication in Journal of Experimental Child Psychology. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Journal of Experimental Child Psychology, 2011, v. 109 n. 3, p. 263-274. DOI: 10.1016/j.jecp.2011.01.010-
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectAutomaticityen_HK
dc.subjectDevelopmenten_HK
dc.subjectNumber magnitudeen_HK
dc.subjectNumerical processingen_HK
dc.subjectStroopen_HK
dc.subjectTwo-digit numbersen_HK
dc.subject.meshAdulten_US
dc.subject.meshAge Factorsen_US
dc.subject.meshAttentionen_US
dc.subject.meshAutomatism - Psychologyen_US
dc.subject.meshChilden_US
dc.subject.meshFemaleen_US
dc.subject.meshHumansen_US
dc.subject.meshMaleen_US
dc.subject.meshMathematicsen_US
dc.subject.meshNeuropsychological Testsen_US
dc.subject.meshPattern Recognition, Visualen_US
dc.subject.meshPhotic Stimulation - Methodsen_US
dc.subject.meshReaction Timeen_US
dc.titleExploring the developmental changes in automatic two-digit number processingen_HK
dc.typeArticleen_HK
dc.identifier.emailAu, TK: terryau@hku.hken_HK
dc.identifier.emailTang, J: joeytang@hkucc.hku.hken_HK
dc.identifier.authorityAu, TK=rp00580en_HK
dc.identifier.authorityTang, J=rp00639en_HK
dc.description.naturepostprinten_US
dc.identifier.doi10.1016/j.jecp.2011.01.010en_HK
dc.identifier.pmid21397247-
dc.identifier.scopuseid_2-s2.0-79953029405en_HK
dc.identifier.hkuros184884-
dc.identifier.hkuros246169-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-79953029405&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume109en_HK
dc.identifier.issue3en_HK
dc.identifier.spage263en_HK
dc.identifier.epage274en_HK
dc.identifier.eissn1096-0457-
dc.identifier.isiWOS:000290070600001-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridChan, WWL=55471394200en_HK
dc.identifier.scopusauthoridAu, TK=9435174900en_HK
dc.identifier.scopusauthoridTang, J=15520029000en_HK
dc.identifier.citeulike9004831-

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