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Searching for G: A New Evaluation of SPM-LS Dimensionality

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Title: Searching for G: A New Evaluation of SPM-LS Dimensionality
Authors: Garcia-Garzon, Eduardo, Abad, Francisco J., Garrido, Luis E.
Source: Journal of Intelligence. 2019 7.
Availability: MDPI AG. Klybeckstrasse 64, 4057 Basel, Switzerland. e-mail: indexing@mdpi.com; e-mail: jintelligence@mdpi.com; Web site: https://www.mdpi.com/journal/jintelligence
Peer Reviewed: Y
Page Count: 18
Publication Date: 2019
Document Type: Journal Articles
Reports - Research
Education Level: Higher Education
Postsecondary Education
Descriptors: Intelligence Tests, Test Validity, Evaluation Methods, Undergraduate Students, Matrices, Factor Structure, Statistical Analysis, Test Reliability
Assessment and Survey Identifiers: Raven Progressive Matrices, Raven Advanced Progressive Matrices
ISSN: 2079-3200
Abstract: There has been increased interest in assessing the quality and usefulness of short versions of the Raven's Progressive Matrices. A recent proposal, composed of the last twelve matrices of the Standard Progressive Matrices (SPM-LS), has been depicted as a valid measure of "g." Nonetheless, the results provided in the initial validation questioned the assumption of essential unidimensionality for SPM-LS scores. We tested this hypothesis through two different statistical techniques. Firstly, we applied exploratory graph analysis to assess SPM-LS dimensionality. Secondly, exploratory bi-factor modelling was employed to understand the extent that potential specific factors represent significant sources of variance after a general factor has been considered. Results evidenced that if modelled appropriately, SPM-LS scores are essentially unidimensional, and that constitute a reliable measure of "g." However, an additional specific factor was systematically identified for the last six items of the test. The implications of such findings for future work on the SPM-LS are discussed.
Abstractor: As Provided
Entry Date: 2022
Accession Number: EJ1356293
Database: ERIC
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  Availability: 0
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  Data: Searching for G: A New Evaluation of SPM-LS Dimensionality
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  Data: <searchLink fieldCode="AR" term="%22Garcia-Garzon%2C+Eduardo%22">Garcia-Garzon, Eduardo</searchLink><br /><searchLink fieldCode="AR" term="%22Abad%2C+Francisco+J%2E%22">Abad, Francisco J.</searchLink><br /><searchLink fieldCode="AR" term="%22Garrido%2C+Luis+E%2E%22">Garrido, Luis E.</searchLink>
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  Data: MDPI AG. Klybeckstrasse 64, 4057 Basel, Switzerland. e-mail: indexing@mdpi.com; e-mail: jintelligence@mdpi.com; Web site: https://www.mdpi.com/journal/jintelligence
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  Data: There has been increased interest in assessing the quality and usefulness of short versions of the Raven's Progressive Matrices. A recent proposal, composed of the last twelve matrices of the Standard Progressive Matrices (SPM-LS), has been depicted as a valid measure of "g." Nonetheless, the results provided in the initial validation questioned the assumption of essential unidimensionality for SPM-LS scores. We tested this hypothesis through two different statistical techniques. Firstly, we applied exploratory graph analysis to assess SPM-LS dimensionality. Secondly, exploratory bi-factor modelling was employed to understand the extent that potential specific factors represent significant sources of variance after a general factor has been considered. Results evidenced that if modelled appropriately, SPM-LS scores are essentially unidimensional, and that constitute a reliable measure of "g." However, an additional specific factor was systematically identified for the last six items of the test. The implications of such findings for future work on the SPM-LS are discussed.
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      Pagination:
        PageCount: 18
    Subjects:
      – SubjectFull: Intelligence Tests
        Type: general
      – SubjectFull: Test Validity
        Type: general
      – SubjectFull: Evaluation Methods
        Type: general
      – SubjectFull: Undergraduate Students
        Type: general
      – SubjectFull: Matrices
        Type: general
      – SubjectFull: Factor Structure
        Type: general
      – SubjectFull: Statistical Analysis
        Type: general
      – SubjectFull: Test Reliability
        Type: general
      – SubjectFull: Raven Progressive Matrices
        Type: general
      – SubjectFull: Raven Advanced Progressive Matrices
        Type: general
    Titles:
      – TitleFull: Searching for G: A New Evaluation of SPM-LS Dimensionality
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            NameFull: Garcia-Garzon, Eduardo
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            NameFull: Abad, Francisco J.
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            NameFull: Garrido, Luis E.
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              Type: published
              Y: 2019
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              Value: 2079-3200
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              Value: 7
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