A Failed Cross-Validation Study on the Relationship between LIWC Linguistic Indicators and Personality: Exemplifying the Lack of Generalizability of Exploratory Studies

Martínez-Huertas, José Ángel, David Moreno, José, Olmos,Ricardo, Martínez-Mingo, Alejandro y Jorge-Botana, Guillermo . (2022) A Failed Cross-Validation Study on the Relationship between LIWC Linguistic Indicators and Personality: Exemplifying the Lack of Generalizability of Exploratory Studies. Psych

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Título A Failed Cross-Validation Study on the Relationship between LIWC Linguistic Indicators and Personality: Exemplifying the Lack of Generalizability of Exploratory Studies
Autor(es) Martínez-Huertas, José Ángel
David Moreno, José
Olmos,Ricardo
Martínez-Mingo, Alejandro
Jorge-Botana, Guillermo
Materia(s) Psicología
Abstract (1) Background: Previous meta-analytic research found small to moderate relationships between the Big Five personality traits and different linguistic computational indicators. However, previous studies included multiple linguistic indicators to predict personality from an exploratory framework. The aim of this study was to conduct a cross-validation study analyzing the relationships between language indicators and personality traits to test the generalizability of previous results; (2) Methods: 643 Spanish undergraduate students were tasked to write a self-description in 500 words (which was evaluated with the LIWC) and to answer a standardized Big Five questionnaire. Two different analytical approaches using multiple linear regression were followed: first, using the complete data and, second, by conducting different cross-validation studies; (3) Results: The results showed medium effect sizes in the first analytical approach. On the contrary, it was found that language and personality relationships were not generalizable in the cross-validation studies; (4) Conclusions: We concluded that moderate effect sizes could be obtained when the language and personality relationships were analyzed in single samples, but it was not possible to generalize the model estimates to other samples. Thus, previous exploratory results found on this line of research appear to be incompatible with a nomothetic approach.
Palabras clave language
personality
LIWC
cross-validation
exploratory models
linguistic indicators
Editor(es) MDPI
Fecha 2022-10-13
Formato application/pdf
Identificador bibliuned:DptoMCC-FPSI-Articulos-Jamartinez-0005
http://e-spacio.uned.es/fez/view/bibliuned:DptoMCC-FPSI-Articulos-Jamartinez-0005
DOI - identifier https://doi.org/10.3390/psych4040059
ISSN - identifier 2624-8611
Nombre de la revista Psych
Número de Volumen 4
Página inicial 803
Página final 815
Publicado en la Revista Psych
Idioma eng
Versión de la publicación acceptedVersion
Tipo de recurso Article
Derechos de acceso y licencia http://creativecommons.org/licenses/by/4.0
info:eu-repo/semantics/openAccess
Tipo de acceso Acceso abierto
Notas adicionales La versión registrada de este artículo, publicado por primera vez en Psych (2022) 4, p. 803–815, está disponible en línea en el sitio web del editor: MDPI; https://doi.org/10.3390/psych4040059
Notas adicionales The copyrighted version of this article, first published in Psych (2022) 4, p. 803–815, is available online at the publisher's website: MDPI; https://doi.org/10.3390/psych4040059

 
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Creado: Thu, 29 Feb 2024, 20:12:53 CET