Recovering Crossed Random Effects in Mixed-Effects Models Using Model Averaging

Martínez-Huertas, José Ángel y Olmos, Ricardo . (2022) Recovering Crossed Random Effects in Mixed-Effects Models Using Model Averaging. Methodology

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Título Recovering Crossed Random Effects in Mixed-Effects Models Using Model Averaging
Autor(es) Martínez-Huertas, José Ángel
Olmos, Ricardo
Materia(s) Psicología
Abstract Random effects contain crucial information to understand the variability of the processes under study in mixed-effects models with crossed random effects (MEMs-CR). Given that model selection makes all-or-nothing decisions regarding to the inclusion of model parameters, we evaluated if model averaging could deal with model uncertainty to recover random effects of MEMs-CR. Specifically, we analyzed the bias and the root mean squared error (RMSE) of the estimations of the variances of random effects using model averaging with Akaike weights and Bayesian model averaging with BIC posterior probabilities, comparing them with two alternative analytical strategies as benchmarks: AIC and BIC model selection, and fitting a full random structure. A simulation study was conducted manipulating sample sizes for subjects and items, and the variance of random effects. Results showed that model averaging, especially Akaike weights, can adequately recover random variances, given a minimum sample size in the modeled clusters. Thus, we endorse using model averaging to deal with model uncertainty in MEMs-CR. An empirical illustration is provided to ease the usability of model averaging.
Palabras clave mixed-effects models
crossed random effects
random effects
model averaging
Akaike weights
Bayesian model averaging
AIC
BIC
Editor(es) PsychOpen
Fecha 2022-12-22
Formato application/pdf
Identificador bibliuned:DptoMCC-FPSI-Articulos-Jamartinez-0029
http://e-spacio.uned.es/fez/view/bibliuned:DptoMCC-FPSI-Articulos-Jamartinez-0029
DOI - identifier https://doi.org/10.5964/meth.9597
ISSN - identifier 1614-1881; eISSN 1614-2241
Nombre de la revista Methodology
Número de Volumen 18
Número de Issue 4
Página inicial 298
Página final 323
Publicado en la Revista Methodology
Idioma eng
Versión de la publicación publishedVersion
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 Methodology (2022) 18-4, p. 298–323, está disponible en línea en el sitio web del editor: PsychOpen; https://doi.org/10.5964/meth.9597
Notas adicionales The registered version of this article, first published in Methodology (2022) 18–4, p. 298–323, is available online at the publisher's website: PsychOpen; https://doi.org/10.5964/meth.9597

 
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Creado: Fri, 01 Mar 2024, 21:32:52 CET