[Mediation-information] Mediation analysis multilevel data ordered mediator

[Kosuke Imai]

As far as I know, there is no reliable frequentist implementation of
ordered multi-level in most packages such as R or Stata.  My suggestion
would be to dichotomize the outcome variable (or use a linear model
approximation if you have a large number of categories) or use a Bayesian
MCMC approach.

Best,
Kosuke

Kosuke Imai
Department of Politics
Princeton University
http://imai.princeton.edu

On Tue, Sep 16, 2014 at 6:46 AM, Angel Rodriguez <
angel.rodriguez at matiainstituto.net> wrote:

>
> Dear subscribers,
>
> I've read that for causal mediation analysis of multilevel data, lmer or
> glmer have to be used. Isn't possible therefore to use an ordered
> categorical mediator in the analysis?
>
> Thank you very much.
>
> Angel Rodriguez-Laso
>
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