Multilevel Mediation
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Hi everyone,
I have used the Bauer (2006) syntax in order to run a multilevel mediation (lower level: 1-1-1) with my data and everything seems to work great. However, I was wondering if there's any syntax/code available in order to add a Level 1 covariate ? Thanks in advance, O. |
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I suspect that many list members will not bother taking the time to do a Google search to figure out what Bauer (2006) is all about. TRANSLATION: You'll be far more likely to get some help if provide some links!
Also, have you tried asking Bauer?
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Bruce Weaver bweaver@lakeheadu.ca http://sites.google.com/a/lakeheadu.ca/bweaver/ "When all else fails, RTFM." PLEASE NOTE THE FOLLOWING: 1. My Hotmail account is not monitored regularly. To send me an e-mail, please use the address shown above. 2. The SPSSX Discussion forum on Nabble is no longer linked to the SPSSX-L listserv administered by UGA (https://listserv.uga.edu/). |
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Couldn't have said it better myself Bruce.
I might add: I for one am not going to bother to Google Bauer (2006). If a link is provided I might bother to click it. If it isn't a free article then I won't bother any further. If it is free I might bother to read it. If it is interesting I may muck with the code. If it is ugly and complicated, I do have paypal! --
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In reply to this post by Oliver
O. There appears to be an explanation of how to apply Bauer's method (excluding covariates) on the UCLA website: I don't have time to figure out how to incorporate a first level covariate at this time, although on the face of it, it does not appear that difficult. I would suggest you contact Bauer directly, and if possible share the syntax with SPSS-L when you learn it. Interesting question. Good luck! Ryan On Sat, Jul 4, 2015 at 9:04 PM, Oliver <[hidden email]> wrote: Hi everyone, |
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I often forget about the level of resources from IDRE at UCLA. Thanks. Oliver,
So, where is this covariate supposed to go in the mediation sequence? Is it a)
X + C1 -> M; M -> Y b)
X -> M; M +C1 -> Y c)
X + C1 -> M; M + C1 -> Y From: SPSSX(r) Discussion [mailto:[hidden email]]
On Behalf Of Ryan Black O. There appears to be an explanation of how to apply Bauer's method (excluding covariates) on the UCLA website: I don't have time to figure out how to incorporate a first level covariate at this time, although on the face of it, it does not appear that difficult. I would suggest you contact Bauer directly, and if possible share the syntax with SPSS-L when you learn it. Interesting question.
Good luck! Ryan On Sat, Jul 4, 2015 at 9:04 PM, Oliver <[hidden email]> wrote:
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Hi guys, As suggested by Ryan, I did contact Bauer directly and he provided me with the answer on how to model a Level-1 covariate in a 1-1-1 multilevel mediation model. Just as a reminder, the step-by-step procedure in order to conduct a multilevel mediation analysis in SPSS is described here: dbauer.web.unc.edu/files/2014/08/SPSSinstructions.pdf Now, in order to add a Level-1 covariate, here's the response from Bauer (see below), which is directly related to the step-by-step procedure posted above: Hi, Sure, you can add a level 1 covariate. You would just use the indicator variables to toggle which equations it enters. So let's say it's called X2, then you'd have Sm*X2 and Sy*X2. I'd probably not include random slopes for the covariate, however, as these models have a lot of random effects already and may not tolerate more. Best, Dan |
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