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Please use this identifier to cite or link to this item: https://nccur.lib.nccu.edu.tw/handle/140.119/135207

Title:	Specifying the Random Effect Structure in Linear Mixed Effect Models for Analyzing Psycholinguistic Data
Authors:	游琇婷 Yu, Hsiu-Ting Cardwell, Ramsey Park, Jungkyu
Contributors:	心理系
Keywords:	linear mixed-effect models;psycholinguistic data;random effect structure;model specification;random effects
Date:	2020-06
Issue Date:	2021-05-27 10:41:08 (UTC+8)
Abstract:	Linear Mixed Effect Models (LMEM) have become a popular method for analyzing nested experimental data, which are often encountered in psycholinguistics and other fields. This approach allows experimental results to be generalized to the greater population of both subjects and experimental stimuli. In an influential paper Bar and his colleagues (2013; https://doi.org/10.1016/j.jml.2012.11.001) recommend specifying the maximal random effect structure allowed by the experimental design, which includes random intercepts and random slopes for all within-subjects and within-items experimental factors, as well as correlations between the random effects components. The goal of this paper is to formally investigate whether their recommendations can be generalized to wider variety of experimental conditions. The simulation results revealed that complex models (i.e., with more parameters) lead to a dramatic increase in the non-convergence rate. Furthermore, AIC and BIC were found to select the true model in the majority of cases, although selection accuracy varied by LMEM random effect structure.
Relation:	Methodology: European Journal of Research Methods for the Behavioral and Social Sciences, Vol.16, No.2, pp.92-111
Data Type:	article
DOI link:	https://doi.org/10.5964/meth.2809
DOI:	10.5964/meth.2809
Appears in Collections:	[Department of Psychology] Periodical Articles

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