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Re: st: Sign. Test for indirect effects x-->m1-->m2-->y
From
"Casey P. Durand" <[email protected]>
To
[email protected]
Subject
Re: st: Sign. Test for indirect effects x-->m1-->m2-->y
Date
Thu, 3 Mar 2011 14:33:31 -0800
Alan,
I believe the Sobel test can be extended to the situation you describe
with multiple mediators (see reference below for more detail), though
as you allude to, the Sobel test is a less than satisfactory test in a
mediation context. Bootstrapping would be ideal, though I can't offer
much advice on running the multiple mediator analysis in Stata. I
personally use Mplus for any situation like that, especially for the
bootstrapping capabilities.
Tests of the Three-Path Mediated Effect. Aaron B. Taylor, David P.
MacKinnon and Jenn-Yun Tein. Organizational Research Methods 2008 11:
241
Casey
On Thu, Mar 3, 2011 at 11:47 AM, Alan Acock <[email protected]> wrote:
>
> I hope this is a simple question. The Sobel test is okay for x-->m-->y models with a single mediator. The sureg and nlcom command is great for two parallel mediators x->m1-->y and x-->m2-->y,
> I can't figure out how to test it with m2 mediates m1 which mediates x as in
> x-->m1-->m2--y.
>
> --Alan Acock
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