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Psychometric Derivation of the Short Form Teacher Disposition Scale (TDS-11)

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Title: Psychometric Derivation of the Short Form Teacher Disposition Scale (TDS-11)
Language: English
Authors: John Ehrich (ORCID 0000-0002-5317-4878), Stuart Woodcock (ORCID 0000-0002-2035-8638)
Source: Journal of Further and Higher Education. 2026 50(1):106-119.
Availability: Routledge. Available from: Taylor & Francis, Ltd. 530 Walnut Street Suite 850, Philadelphia, PA 19106. Tel: 800-354-1420; Tel: 215-625-8900; Fax: 215-207-0050; Web site: http://www.tandf.co.uk/journals
Peer Reviewed: Y
Page Count: 14
Publication Date: 2026
Document Type: Journal Articles
Reports - Research
Education Level: Higher Education
Postsecondary Education
Descriptors: Measures (Individuals), Teacher Characteristics, Psychometrics, Item Response Theory, Factor Analysis, Test Reliability, Preservice Teachers, Foreign Countries, Factor Structure, Personality Traits
Geographic Terms: Australia
DOI: 10.1080/0309877X.2025.2584535
ISSN: 0309-877X
1469-9486
Abstract: While there is growing awareness of the critical role teacher dispositions play in effective pedagogy there are few validated instruments available to provide reliable measurements for researchers and teacher educators. A notable exception is the Teacher Disposition Scale, a recently created multidimensional instrument which has shown potential as a measure of teaching dispositions. However, as a new scale, little psychometric information is available and, moreover, the limited prior research conducted has found poor psychometric functioning in a number of the subscales. Hence, the purpose of the current study was to provide further psychometric information on the scale using a large sample of undergraduate pre-service teachers (N = 1,318). Using a combination of factor analyses and Rasch modelling, a psychometrically sound, short form scale was derived consisting of 11 items. The paper concludes with a discussion of the utility of a reliable short form instrument to the field of teaching disposition research.
Abstractor: As Provided
Entry Date: 2026
Accession Number: EJ1505209
Database: ERIC
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  Data: <searchLink fieldCode="AR" term="%22John+Ehrich%22">John Ehrich</searchLink> (ORCID <externalLink term="https://orcid.org/0000-0002-5317-4878">0000-0002-5317-4878</externalLink>)<br /><searchLink fieldCode="AR" term="%22Stuart+Woodcock%22">Stuart Woodcock</searchLink> (ORCID <externalLink term="https://orcid.org/0000-0002-2035-8638">0000-0002-2035-8638</externalLink>)
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  Data: <searchLink fieldCode="SO" term="%22Journal+of+Further+and+Higher+Education%22"><i>Journal of Further and Higher Education</i></searchLink>. 2026 50(1):106-119.
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  Data: Routledge. Available from: Taylor & Francis, Ltd. 530 Walnut Street Suite 850, Philadelphia, PA 19106. Tel: 800-354-1420; Tel: 215-625-8900; Fax: 215-207-0050; Web site: http://www.tandf.co.uk/journals
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  Data: While there is growing awareness of the critical role teacher dispositions play in effective pedagogy there are few validated instruments available to provide reliable measurements for researchers and teacher educators. A notable exception is the Teacher Disposition Scale, a recently created multidimensional instrument which has shown potential as a measure of teaching dispositions. However, as a new scale, little psychometric information is available and, moreover, the limited prior research conducted has found poor psychometric functioning in a number of the subscales. Hence, the purpose of the current study was to provide further psychometric information on the scale using a large sample of undergraduate pre-service teachers (N = 1,318). Using a combination of factor analyses and Rasch modelling, a psychometrically sound, short form scale was derived consisting of 11 items. The paper concludes with a discussion of the utility of a reliable short form instrument to the field of teaching disposition research.
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  Data: 2026
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      – SubjectFull: Teacher Characteristics
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      – SubjectFull: Psychometrics
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      – SubjectFull: Australia
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