Investigating stable and dynamic aspects of student motivation using generalizability theory

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dc.contributor.author Lyndon, Mataroria en
dc.contributor.author Medvedev, Oleg en
dc.contributor.author Chen, Yan en
dc.contributor.author Henning, Marcus en
dc.date.accessioned 2020-02-14T02:49:05Z en
dc.date.issued 2019-11-14 en
dc.identifier.issn 0004-9530 en
dc.identifier.uri http://hdl.handle.net/2292/50023 en
dc.description.abstract Background The Academic Motivation Scale (AMS) is a commonly used 28‐item measure of motivation orientation. However, the scale has not been examined using methods to distinguish between state and trait aspects of motivation. We applied Generalizability Theory to appraise the psychometric properties of the AMS and to differentiate items measuring state or trait motivation within the AMS. Methods One hundred and thirty medical students completed the 28‐item AMS at three time points. Generalizability Theory was applied to examine the generalizability of the AMS (total and sub‐scales) and to estimate state and trait aspects of student motivation. Results The overall AMS showed high generalizability (G = .93) in assessing student motivation across student populations and occasions, whereas the AMS subscales demonstrated low levels of generalizability. The majority of the AMS items scored high for the state component index suggesting movement between motivational priorities while maintaining the overall stability of the individual motivation levels. Conclusions The total AMS is suitable as a reliable measurement of motivation among student populations with high generalizability of scores across students and assessment occasions. Measuring trait motivation using the total AMS score instead of subscale scores reduces measurement error and optimises instrument reliability. en
dc.publisher Wiley en
dc.relation.ispartofseries Australian Journal of Psychology en
dc.rights Items in ResearchSpace are protected by copyright, with all rights reserved, unless otherwise indicated. Previously published items are made available in accordance with the copyright policy of the publisher. en
dc.rights.uri https://researchspace.auckland.ac.nz/docs/uoa-docs/rights.htm en
dc.title Investigating stable and dynamic aspects of student motivation using generalizability theory en
dc.type Journal Article en
dc.identifier.doi 10.1111/ajpy.12276 en
pubs.volume online first en
dc.rights.holder Copyright: The author en
dc.rights.accessrights http://purl.org/eprint/accessRights/RestrictedAccess en
pubs.subtype Article en
pubs.elements-id 786843 en
pubs.org-id Medical and Health Sciences en
pubs.org-id School of Medicine en
pubs.org-id Cent Medical & Hlth Sci Educat en
pubs.record-created-at-source-date 2019-11-26 en
pubs.online-publication-date 2019-11-14 en


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