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      An Introduction to Linear Mixed-Effects Modeling in R

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      Advances in Methods and Practices in Psychological Science
      SAGE Publications

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          Abstract

          This Tutorial serves as both an approachable theoretical introduction to mixed-effects modeling and a practical introduction to how to implement mixed-effects models in R. The intended audience is researchers who have some basic statistical knowledge, but little or no experience implementing mixed-effects models in R using their own data. In an attempt to increase the accessibility of this Tutorial, I deliberately avoid using mathematical terminology beyond what a student would learn in a standard graduate-level statistics course, but I reference articles and textbooks that provide more detail for interested readers. This Tutorial includes snippets of R code throughout; the data and R script used to build the models described in the text are available via OSF at https://osf.io/v6qag/ , so readers can follow along if they wish. The goal of this practical introduction is to provide researchers with the tools they need to begin implementing mixed-effects models in their own research.

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          Hierarchical Linear Models : Applications and Data Analysis Methods

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            Multilevel analysis: An introduction to basic and advanced multilevel modeling

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              Growth curve analysis and visualization using R

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                Author and article information

                Contributors
                (View ORCID Profile)
                Journal
                Advances in Methods and Practices in Psychological Science
                Advances in Methods and Practices in Psychological Science
                SAGE Publications
                2515-2459
                2515-2467
                January 2021
                March 25 2021
                January 2021
                : 4
                : 1
                : 251524592096035
                Affiliations
                [1 ]Department of Psychological & Brain Sciences, Washington University in St. Louis
                Article
                10.1177/2515245920960351
                35821764
                335a1adf-b9a0-48d3-878e-f60cd78df29c
                © 2021

                https://creativecommons.org/licenses/by-nc/4.0/

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