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Article

A Mokken Scale Analysis of the Last Series of the Standard Progressive Matrices (SPM-LS)

Department of Psychology, Pace University, New York, NY 10038, USA
Received: 10 January 2020 / Revised: 22 April 2020 / Accepted: 24 April 2020 / Published: 6 May 2020
(This article belongs to the Special Issue Analysis of an Intelligence Dataset)
Raven’s Standard Progressive Matrices (Raven 1941) is a widely used 60-item long measure of general mental ability. It was recently suggested that, for situations where taking this test is too time consuming, a shorter version, comprised of only the last series of the Standard Progressive Matrices (Myszkowski and Storme 2018) could be used, while preserving satisfactory psychometric properties (Garcia-Garzon et al. 2019; Myszkowski and Storme 2018). In this study, I argue, however, that some psychometric properties have been left aside by previous investigations. As part of this special issue on the reinvestigation of Myszkowski and Storme’s dataset, I propose to use the non-parametric Item Response Theory framework of Mokken Scale Analysis (Mokken 1971, 1997) and its current developments (Sijtsma and van der Ark 2017) to shed new light on the SPM-LS. Extending previous findings, this investigation indicated that the SPM-LS had satisfactory scalability ( H = 0.469 ), local independence and reliability ( M S = 0.841 , L C R C = 0.874 ). Further, all item response functions were monotonically increasing, and there was overall evidence for invariant item ordering ( H T = 0.475 ), supporting the Double Monotonicity Model (Mokken 1997). Item 1, however, appeared problematic in most analyses. I discuss the implications of these results, notably regarding whether to discard item 1, whether the SPM-LS sum scores can confidently be used to order persons, and whether the invariant item ordering of the SPM-LS allows to use a stopping rule to further shorten test administration. View Full-Text
Keywords: Mokken scale analysis; non-parametric item response theory; psychometrics; invariant item ordering Mokken scale analysis; non-parametric item response theory; psychometrics; invariant item ordering
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MDPI and ACS Style

Myszkowski, N. A Mokken Scale Analysis of the Last Series of the Standard Progressive Matrices (SPM-LS). J. Intell. 2020, 8, 22. https://doi.org/10.3390/jintelligence8020022

AMA Style

Myszkowski N. A Mokken Scale Analysis of the Last Series of the Standard Progressive Matrices (SPM-LS). Journal of Intelligence. 2020; 8(2):22. https://doi.org/10.3390/jintelligence8020022

Chicago/Turabian Style

Myszkowski, Nils. 2020. "A Mokken Scale Analysis of the Last Series of the Standard Progressive Matrices (SPM-LS)" Journal of Intelligence 8, no. 2: 22. https://doi.org/10.3390/jintelligence8020022

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