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Construct Validity of Computer-Based Physics Test (CBPsyT) through Confirmatory and Item Response Theory: A Complementary Approach to Test Development

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Τίτλος: Construct Validity of Computer-Based Physics Test (CBPsyT) through Confirmatory and Item Response Theory: A Complementary Approach to Test Development
Γλώσσα: English
Συγγραφείς: Godelfridus Hadung Lamanepa (ORCID 0009-0008-8800-209X), Edi Istiyono (ORCID 0000-0001-6034-142X), Raden Rosnawati (ORCID 0000-0002-8841-0412), Ayen Arsisari (ORCID 0009-0008-6669-200X), Fitriyani Hali (ORCID 0009-0000-4384-0892)
Πηγή: Educational Process: International Journal. Article e2026054 2026 22.
Διαθεσιμότητα: UNIVERSITEPARK Limited. iTOWER Plaza (No61, 9th floor) Merkez Mh Akar Cd No3, Sisli, Istanbul, Turkey 34382. e-mail: editor@edupij.com; Web site: http://www.edupij.com/
Peer Reviewed: Y
Page Count: 18
Ημερομηνία έκδοσης: 2026
Intended Audience: Researchers
Τύπος εγγράφου: Journal Articles
Reports - Research
Education Level: High Schools
Secondary Education
Descriptors: Physics, Science Tests, Computer Assisted Testing, Construct Validity, Test Validity, Item Response Theory, High School Students, Foreign Countries
Γεωγραφικοί όροι: Indonesia
ISSN: 2147-0901
2564-8020
Περίληψη: Background/purpose: This study aims to validate the computer-based physics test (CBPsyT) construct through confirmatory factor analysis (CFA) to ensure that CBPsyT is suitable for its intended use. However, CFA studies are based on weak theoretical perspectives, a lack of testing of alternative theoretical views, or insufficient evidence for construct validity, so item response theory (IRT) analysis needs to be added to this study. Materials/methods: The research is exploratory and includes a quantitative approach. We developed CBPsyT according to test development procedures consisting of twelve steps and administered it to 516 students. Construct validity analysis based on the CFA and IRT perspectives using the R program. Results: The relationship between indicators and latent constructs, with multiple representations in CBPsyT, is indicated by indicator loadings > 0.70, which denote a strong relationship between the two. Internal consistency is demonstrated by a composite reliability > 0.80, and CFA model fit values indicate that the hypothesized model is consistent with the empirical data. The IRT results add that discrimination and difficulty scores range from -2 to +2. The test information function indicated that the instrument was reliable for ability (Theta) scores ranging from -3 to +3. Conclusion: The test quality profile was complete when CFA and IRT were combined. To the best of our knowledge, this article provides practical information on the psychometric characteristics of CBPsyT and guides new researchers in demonstrating construct validity.
Abstractor: As Provided
Entry Date: 2026
Αριθμός Καταχώρησης: EJ1514635
Βάση Δεδομένων: ERIC
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  Data: Construct Validity of Computer-Based Physics Test (CBPsyT) through Confirmatory and Item Response Theory: A Complementary Approach to Test Development
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  Data: <searchLink fieldCode="AR" term="%22Godelfridus+Hadung+Lamanepa%22">Godelfridus Hadung Lamanepa</searchLink> (ORCID <externalLink term="http://orcid.org/0009-0008-8800-209X">0009-0008-8800-209X</externalLink>)<br /><searchLink fieldCode="AR" term="%22Edi+Istiyono%22">Edi Istiyono</searchLink> (ORCID <externalLink term="https://orcid.org/0000-0001-6034-142X">0000-0001-6034-142X</externalLink>)<br /><searchLink fieldCode="AR" term="%22Raden+Rosnawati%22">Raden Rosnawati</searchLink> (ORCID <externalLink term="https://orcid.org/0000-0002-8841-0412">0000-0002-8841-0412</externalLink>)<br /><searchLink fieldCode="AR" term="%22Ayen+Arsisari%22">Ayen Arsisari</searchLink> (ORCID <externalLink term="https://orcid.org/0009-0008-6669-200X">0009-0008-6669-200X</externalLink>)<br /><searchLink fieldCode="AR" term="%22Fitriyani+Hali%22">Fitriyani Hali</searchLink> (ORCID <externalLink term="https://orcid.org/0009-0000-4384-0892">0009-0000-4384-0892</externalLink>)
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  Data: UNIVERSITEPARK Limited. iTOWER Plaza (No61, 9th floor) Merkez Mh Akar Cd No3, Sisli, Istanbul, Turkey 34382. e-mail: editor@edupij.com; Web site: http://www.edupij.com/
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  Data: <searchLink fieldCode="DE" term="%22Physics%22">Physics</searchLink><br /><searchLink fieldCode="DE" term="%22Science+Tests%22">Science Tests</searchLink><br /><searchLink fieldCode="DE" term="%22Computer+Assisted+Testing%22">Computer Assisted Testing</searchLink><br /><searchLink fieldCode="DE" term="%22Construct+Validity%22">Construct Validity</searchLink><br /><searchLink fieldCode="DE" term="%22Test+Validity%22">Test Validity</searchLink><br /><searchLink fieldCode="DE" term="%22Item+Response+Theory%22">Item Response Theory</searchLink><br /><searchLink fieldCode="DE" term="%22High+School+Students%22">High School Students</searchLink><br /><searchLink fieldCode="DE" term="%22Foreign+Countries%22">Foreign Countries</searchLink>
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  Data: 2147-0901<br />2564-8020
– Name: Abstract
  Label: Abstract
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  Data: Background/purpose: This study aims to validate the computer-based physics test (CBPsyT) construct through confirmatory factor analysis (CFA) to ensure that CBPsyT is suitable for its intended use. However, CFA studies are based on weak theoretical perspectives, a lack of testing of alternative theoretical views, or insufficient evidence for construct validity, so item response theory (IRT) analysis needs to be added to this study. Materials/methods: The research is exploratory and includes a quantitative approach. We developed CBPsyT according to test development procedures consisting of twelve steps and administered it to 516 students. Construct validity analysis based on the CFA and IRT perspectives using the R program. Results: The relationship between indicators and latent constructs, with multiple representations in CBPsyT, is indicated by indicator loadings > 0.70, which denote a strong relationship between the two. Internal consistency is demonstrated by a composite reliability > 0.80, and CFA model fit values indicate that the hypothesized model is consistent with the empirical data. The IRT results add that discrimination and difficulty scores range from -2 to +2. The test information function indicated that the instrument was reliable for ability (Theta) scores ranging from -3 to +3. Conclusion: The test quality profile was complete when CFA and IRT were combined. To the best of our knowledge, this article provides practical information on the psychometric characteristics of CBPsyT and guides new researchers in demonstrating construct validity.
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      – Text: English
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        PageCount: 18
    Subjects:
      – SubjectFull: Physics
        Type: general
      – SubjectFull: Science Tests
        Type: general
      – SubjectFull: Computer Assisted Testing
        Type: general
      – SubjectFull: Construct Validity
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      – SubjectFull: Test Validity
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      – SubjectFull: Item Response Theory
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      – SubjectFull: High School Students
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      – SubjectFull: Foreign Countries
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      – SubjectFull: Indonesia
        Type: general
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      – TitleFull: Construct Validity of Computer-Based Physics Test (CBPsyT) through Confirmatory and Item Response Theory: A Complementary Approach to Test Development
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