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A Bayesian approach to the mixed-effects analysis of accuracy data in repeated-measures designs

We present logistic and probit mixed models that allow for random subject and item effects, as well as interactions between experimental conditions and both items and subjects in either one- or two-factor repeated-measures designs. The effect of experimental conditions on accuracy is assessed through Bayesian model selection and we consider two such approaches to model selection: (a) the Bayes factor via the Bayesian Information Criterion approximation and (b) the Watanabe-Akaike Information Criterion. Simulation studies are used to assess the methodology and to demonstrate its advantages over the more standard approach that consists of aggregating the accuracy data across trials within each condition and over the contemporary use of logistic and probit mixed models with model selection based on the Akaike Information Criterion. Software and examples in R and JAGS for implementing the analysis are available at https://v2south.github.io/BinBayes/.
Source: Journal of Memory and Language - Category: Speech-Language Pathology Source Type: research

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