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Article

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

1
Facultad de Psicología, Universidad Autónoma de Madrid, 28049 Madrid, Spain
2
Facultad de Psicología, Pontificia Universidad Católica Madre y Maestra, Santo Domingo 10109, Dominican Republic
*
Author to whom correspondence should be addressed.
Received: 26 April 2019 / Revised: 20 June 2019 / Accepted: 25 June 2019 / Published: 28 June 2019
(This article belongs to the Special Issue Analysis of an Intelligence Dataset)
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. View Full-Text
Keywords: Raven matrices; Standard Progressive Matrices test; dimensionality; bi-factor; parallel analysis; target rotation; exploratory graph analysis Raven matrices; Standard Progressive Matrices test; dimensionality; bi-factor; parallel analysis; target rotation; exploratory graph analysis
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MDPI and ACS Style

Garcia-Garzon, E.; Abad, F.J.; Garrido, L.E. Searching for G: A New Evaluation of SPM-LS Dimensionality. J. Intell. 2019, 7, 14. https://0-doi-org.brum.beds.ac.uk/10.3390/jintelligence7030014

AMA Style

Garcia-Garzon E, Abad FJ, Garrido LE. Searching for G: A New Evaluation of SPM-LS Dimensionality. Journal of Intelligence. 2019; 7(3):14. https://0-doi-org.brum.beds.ac.uk/10.3390/jintelligence7030014

Chicago/Turabian Style

Garcia-Garzon, Eduardo, Francisco J. Abad, and Luis E. Garrido. 2019. "Searching for G: A New Evaluation of SPM-LS Dimensionality" Journal of Intelligence 7, no. 3: 14. https://0-doi-org.brum.beds.ac.uk/10.3390/jintelligence7030014

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