[Rsiena-help] Mediation Test

Nate Doogan doogan.1 at osu.edu
Thu Sep 15 19:59:57 CEST 2011


Hi Group.

I want to test that the baseline tendency of subgroups on behavior z can be
explained by influence from peers on the behavior z. That is, I want to
perform a mediation test.

Here is a plan: Assume network selection effects are suitable; Include a
covariate effect on behavior for each subgroup to model the baseline
tendency of that group on the behavior; Estimate this model; Include either
a single influence effect (avg. similarity) or an influence effect plus
moderators (i.e. interaction of covariate by avg. similarity) per group;
Estimate this model; Calculate the difference in effect size of the
covariate effect on behavior effects between the two estimated models.

What important details am I not thinking about? I appreciate any input.

Nathan Doogan
Doctoral Student
The Ohio State University

P.S. I believe I sent this with the wrong email account initially, so the
previous attempt can be deleted by a moderator. Thank you.
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