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Modeling of the UCLA Loneliness Scale According to the Multidimensional Item Response Theory

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Abstract

The authors of the University of California Los Angeles Loneliness Scale (UCLA-LS) have considered its structure to be unidimensional. Nevertheless, it has been repeatedly found that response direction can generate groupings of items. In this study, the multidimensional item response theory was applied to examine the psychometric properties of the Argentine version of the UCLA-LS. The participants were 556 residents of the Metropolitan Area of Buenos Aires, Argentina (55% female) with an average age of 43.8. The model fits of three models were compared: the unidimensional Graded Response Model (GRM), the multidimensional GRM, and the bifactor GRM. The results indicated that the bifactor GRM, which considered a general factor and two specific factors related to response direction, was the most adequate one. Loneliness, which was the general factor, explained 70.38% of the common variance. Direct response direction toward loneliness explained 20.09% of the common variance; in other words, it clearly biases item responses, whereas response direction toward companionship has a much lower impact (9.52%).

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Funding

The research was supported by UBACyT 2018 code 20020170100200BA and 20020170200001BA research grants from Faculty of Psychology, University of Buenos Aires and also National Agency for Scientific and Technological Promotion (ANPCyT) PICT-2017-3226.

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Correspondence to Sofía Esmeralda Auné.

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On behalf of all authors, the corresponding author states that there is no conflict of interest.

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Informed consent was obtained from all individual participants included in the study.

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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional Responsible Behavior Committee Ref: 20020170100200BA and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

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Table 3 The Revised UCLA Loneliness Scale (Russell, 1980)

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Auné, S.E., Abal, F.J.P. & Attorresi, H.F. Modeling of the UCLA Loneliness Scale According to the Multidimensional Item Response Theory. Curr Psychol 41, 1213–1220 (2022). https://doi.org/10.1007/s12144-020-00646-y

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  • DOI: https://doi.org/10.1007/s12144-020-00646-y

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