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dc.contributor.authorMcGonnell, Melissa
dc.date.accessioned2011-08-04T18:26:52Z
dc.date.available2011-08-04T18:26:52Z
dc.date.issued2011-08-04
dc.identifier.urihttp://hdl.handle.net/10222/13989
dc.description.abstractMath difficulties (MD) are nearly as common as difficulties with reading. Despite this, MDs have received much less attention from researchers and we have yet to define a core cognitive process for MD. Knowledge about a core cognitive process would assist with early identification and remediation of MDs. Working memory has been identified as one cognitive process that is strongly associated with math difficulties. Most research examining the association between working memory and math calculation skills has been predicated on Baddeley and Hitch’s (1974) multicomponent model of working memory. Results of studies are inconclusive with respect to which component of Baddeley and Hitch’s model is most associated with math calculation skills. The wide variety of tasks that have been used to measure the components of Baddeley and Hitch’s model may be one reason for the lack of consistent findings. In the Introduction, common tasks used to measure the components of Baddeley and Hitch’s model are described and discussed. The Automated Working Memory Assessment Battery (AWMA) is suggested as a measure that adequately assesses all components of Baddeley and Hitch’s model. The AWMA was used in two studies examining the role of the components of working memory in math calculation skill in elementary-school (Study 1) and university (Study 2) students. Participants in Study 1were 94 (42 female) elementary-school children (M age = 9 years 1 month; Range 6 years 0 months – 11 years 8 months). Participants in Study 2 were 42 university students (M age 20 years 9 months; Range 18 years 6 months to 22 years 11 months). In both studies, the visuospatial sketchpad (short-term visuospatial memory) emerged as the component of working memory that explained the most variance in math calculation scores. In elementary-school children, phonological processing was also important. Evidence points to a developmental path emphasizing both verbal and visuospatial skills in math calculation skills of younger children and a more specific role for visuospatial memory in adults (university students). Explicit instruction using visuospatial strategies in the teaching of math calculation skills will be important at all ages.en_US
dc.language.isoenen_US
dc.subjectmathen_US
dc.subjectworking memoryen_US
dc.subjectelementary school studentsen_US
dc.subjectuniversity studentsen_US
dc.titleWhat are they counting on? An investigation of the role of working memory in math difficulties in elementary school-age and university studentsen_US
dc.date.defence2011-06-13
dc.contributor.departmentDepartment of Psychologyen_US
dc.contributor.degreeDoctor of Philosophyen_US
dc.contributor.external-examinerDr. Marcia Barnesen_US
dc.contributor.graduate-coordinatorDr. Tracy Taylor-Helmicken_US
dc.contributor.thesis-readerDr. Joan Backmanen_US
dc.contributor.thesis-readerDr. Shannon Johnsonen_US
dc.contributor.thesis-supervisorDr. Penny Corkumen_US
dc.contributor.ethics-approvalReceiveden_US
dc.contributor.manuscriptsYesen_US
dc.contributor.copyright-releaseNot Applicableen_US
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