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A Rasch-Based Validation of the Reading Section of Test of English for Thai Engineers and Technologists (TETET)

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Title: A Rasch-Based Validation of the Reading Section of Test of English for Thai Engineers and Technologists (TETET)
Language: English
Authors: Natjiree Jaturapitakkul, Paul Horness, Duangjaichanok Pansa
Source: rEFLections. 2025 32(3):1660-1681.
Availability: King Mongkut's University of Technology Thonburi School of Liberal Arts. 126 Pracha Uthit Road, Bang Mod, Thung Khru, Bangkok, Thailand 10140. Tel: +66-2470-8756; Fax: +66-2428-3375; Web site: https://so05.tci-thaijo.org/index.php/reflections/index
Peer Reviewed: Y
Page Count: 22
Publication Date: 2025
Document Type: Journal Articles
Reports - Research
Education Level: Higher Education
Postsecondary Education
Descriptors: Language Tests, English for Special Purposes, Test Validity, Reading Tests, Engineering, Technical Occupations, Foreign Countries, Undergraduate Students
Geographic Terms: Thailand (Bangkok)
ISSN: 1513-5934
2651-1479
Abstract: This study examined the validity of the reading section of the English for Specific Purposes (ESP) test, the Test of English for Thai Engineers and Technologists (TETET), using the Rasch model in relation to Messick's (1989, 1995) six aspects of validity. Data were collected from 179 participants at a science and technology university in Bangkok, Thailand, and analyzed with WINSTEPS Rasch software version 5.4.1. The results indicated that the reading section generally met Messick's criteria, with strong evidence for content, substantive, and structural validity, and preliminary evidence for external, generalizability, and consequential validity. To distinguish it from general English tests, some items, particularly in the survival and internet reading sections, required revision to enhance content (representativeness and technical quality), and substantive aspects. These findings not only provide practical guidance for refining TETET and similar ESP assessments, but also highlight both the strengths and the limits of Rasch analysis in addressing a comprehensive validity framework. Future research should therefore complement psychometric findings with qualitative evidence to build a more complete validity argument.
Abstractor: As Provided
Entry Date: 2026
Accession Number: EJ1498353
Database: ERIC
FullText Text:
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  Data: A Rasch-Based Validation of the Reading Section of Test of English for Thai Engineers and Technologists (TETET)
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  Data: <searchLink fieldCode="AR" term="%22Natjiree+Jaturapitakkul%22">Natjiree Jaturapitakkul</searchLink><br /><searchLink fieldCode="AR" term="%22Paul+Horness%22">Paul Horness</searchLink><br /><searchLink fieldCode="AR" term="%22Duangjaichanok+Pansa%22">Duangjaichanok Pansa</searchLink>
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  Data: King Mongkut's University of Technology Thonburi School of Liberal Arts. 126 Pracha Uthit Road, Bang Mod, Thung Khru, Bangkok, Thailand 10140. Tel: +66-2470-8756; Fax: +66-2428-3375; Web site: https://so05.tci-thaijo.org/index.php/reflections/index
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  Data: 22
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  Data: 2025
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  Data: <searchLink fieldCode="DE" term="%22Language+Tests%22">Language Tests</searchLink><br /><searchLink fieldCode="DE" term="%22English+for+Special+Purposes%22">English for Special Purposes</searchLink><br /><searchLink fieldCode="DE" term="%22Test+Validity%22">Test Validity</searchLink><br /><searchLink fieldCode="DE" term="%22Reading+Tests%22">Reading Tests</searchLink><br /><searchLink fieldCode="DE" term="%22Engineering%22">Engineering</searchLink><br /><searchLink fieldCode="DE" term="%22Technical+Occupations%22">Technical Occupations</searchLink><br /><searchLink fieldCode="DE" term="%22Foreign+Countries%22">Foreign Countries</searchLink><br /><searchLink fieldCode="DE" term="%22Undergraduate+Students%22">Undergraduate Students</searchLink>
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  Data: This study examined the validity of the reading section of the English for Specific Purposes (ESP) test, the Test of English for Thai Engineers and Technologists (TETET), using the Rasch model in relation to Messick's (1989, 1995) six aspects of validity. Data were collected from 179 participants at a science and technology university in Bangkok, Thailand, and analyzed with WINSTEPS Rasch software version 5.4.1. The results indicated that the reading section generally met Messick's criteria, with strong evidence for content, substantive, and structural validity, and preliminary evidence for external, generalizability, and consequential validity. To distinguish it from general English tests, some items, particularly in the survival and internet reading sections, required revision to enhance content (representativeness and technical quality), and substantive aspects. These findings not only provide practical guidance for refining TETET and similar ESP assessments, but also highlight both the strengths and the limits of Rasch analysis in addressing a comprehensive validity framework. Future research should therefore complement psychometric findings with qualitative evidence to build a more complete validity argument.
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  Data: 2026
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      – Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 22
        StartPage: 1660
    Subjects:
      – SubjectFull: Language Tests
        Type: general
      – SubjectFull: English for Special Purposes
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      – SubjectFull: Test Validity
        Type: general
      – SubjectFull: Reading Tests
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      – SubjectFull: Engineering
        Type: general
      – SubjectFull: Technical Occupations
        Type: general
      – SubjectFull: Foreign Countries
        Type: general
      – SubjectFull: Undergraduate Students
        Type: general
      – SubjectFull: Thailand (Bangkok)
        Type: general
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      – TitleFull: A Rasch-Based Validation of the Reading Section of Test of English for Thai Engineers and Technologists (TETET)
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            NameFull: Paul Horness
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            NameFull: Duangjaichanok Pansa
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              Type: published
              Y: 2025
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