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    Conceptualizing and testing random indirect effects and moderated mediation in multilevel models: New procedures and recommendations

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    Issue Date
    2006
    Author
    Bauer, Daniel J.
    Preacher, Kristopher J.
    Gil, Karen M.
    Type
    Article
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    Abstract
    The authors propose new procedures for evaluating direct, indirect, and total effects in multilevel models when all relevant variables are measured at Level 1 and all effects are random. Formulas are provided for the mean and variance of the indirect and total effects and for the sampling variances of the average indirect and total effects. Simulations show that the estimates are unbiased under most conditions. Confidence intervals based on a normal approximation or a simulated sampling distribution perform well when the random effects are normally distributed but less so when they are nonnormally distributed. These methods are further developed to address hypotheses of moderated mediation in the multilevel context. An example demonstrates the feasibility and usefulness of the proposed methods.
    URI
    http://hdl.handle.net/1808/1488
    Collections
    • Psychology Scholarly Works [247]
    Citation
    Psychological Methods, 11, 142-163.

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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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