Meta-Analysis Resources

Tools for Those Who Summarize the Evidence Base

Resources and networking for those who conduct or interpret meta-analyses related to any phenomenon that is gauged in multiple studies.

Mike Cheung
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  • Singapore
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Empi commented on Mike Cheung's group Meta-analytic structural equation modeling
"Dear all, my question is whether there is an established minimum number of studies necessary to conduct a random effects meta analysis? In the neighboring field of multilevel analaysis, the typical advice is to use at least 20-30 groups for random…"
Sep 15
Mike Cheung commented on Mike Cheung's group Meta-analytic structural equation modeling
"Dear Empi, #1: I think so though I have not tested it yet. The standard error with the “stdyx” is based on the delta method, which should be the same as the one with the SEM approach. #2 Yes. #3 Regarding synthesizing interaction…"
Sep 7
Empi commented on Mike Cheung's group Meta-analytic structural equation modeling
"Dear Mike, another question I am struggling with is how to best synthesize interaction effects (product terms). Again, I have individual-data from several samples with different operationalisations. The interactions are pretty similar across the…"
Sep 7
Empi commented on Mike Cheung's group Meta-analytic structural equation modeling
"Dear Mike, I just read your paper “Comparison of methods for constructing confidence intervals of standardized indirect effects”, and would like to ask 2 questions.   #1: Mplus can be used to request standardized indirect effects…"
Sep 7
Mike Cheung replied to Nina Lasek's discussion Meta-analysis & moderated mediation? in the group Meta-analytic structural equation modeling
"Dear Nina, I would only consider MASEM or meta-analysis on the moderated mediated effects when the raw data are not available. If you have the raw data, I think that the multiple-group SEM approach is more easier. Best, Mike"
Jun 4
Mike Cheung replied to saneesh edacherian's discussion Interaction effects through Meta-analysis in the group Meta-analytic structural equation modeling
"The correlation matrix of A, B, C, and D does not include any information on the moderating effect. Unless you have the product terms, I do not think that it is possible to test the moderation effect."
Jun 4
Mike Cheung commented on Mike Cheung's group Meta-analytic structural equation modeling
"Dear Nina, If the data (scales) are comparable across studies, I would suggest using either a multiple-group SEM (fixed-effects model) or a multilevel SEM (random-effects model) in Mplus. MASEM or using the moderated mediation as the effect size…"
May 28
Nina Lasek commented on Mike Cheung's group Meta-analytic structural equation modeling
"A message from Nina Lasek to all members of Meta-analytic structural equation modeling on Meta-Analysis Resources! Dear meta-analysers, I replicated a moderated mediation path model across k=11 samples. Indicators and sample sizes (individual data…"
May 27
Mike Cheung left a comment for Nina Lasek
"Hi Nina, I have received your message. I would suggest posting the questions in the forum; otherwise, we cannot post the replies. Best,Mike"
May 25
Nina Lasek joined Mike Cheung's group
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Meta-analytic structural equation modeling

A technique to synthesizing correlation/covariance matrices for the purpose of fitting structural equation models.
May 21
9 Comments
Empi commented on Mike Cheung's group Meta-analytic structural equation modeling
"Thank you for your reply - I'll definitely learn R, best Empi"
May 18
saneesh edacherian joined Mike Cheung's group
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Meta-analytic structural equation modeling

A technique to synthesizing correlation/covariance matrices for the purpose of fitting structural equation models.
May 14
9 Comments
Mike Cheung commented on Mike Cheung's group Meta-analytic structural equation modeling
"Dear Empi, There is no grouping variable because the data are summary statistics (correlation matrices). test.cov may include the stacked correlation matrices, e.g., 1 .2 1 .3 .4 1 1 .3 1 .4 .5 1 The sample sizes are specified by NOBSERVATIONS = 100…"
May 13
Empi commented on Mike Cheung's group Meta-analytic structural equation modeling
"Dear Mike et al.,   this post http://www.statmodel.com/discussion/messages/11/3993.html shows how to use Mplus for pooling correlation matrices.   However, I wonder why there is no need to indicate the sample/group the original data refer…"
May 13
Mike Cheung replied to Empi's discussion MASEM for individual-level survey data? in the group Meta-analytic structural equation modeling
"Dear Empi, I did not suggest conducting a meta-analysis with the multiple-group analysis though it is possible. You mentioned that you have the raw data. That's why I suggested that there are several possible ways to analyze the data including…"
May 10
Mike Cheung replied to Empi's discussion MASEM for individual-level survey data? in the group Meta-analytic structural equation modeling
"Hi Empi, The WLS estimation in Mplus is meant for covariance matrices. It will not work for correlation matrices which are usually required for MASEM. Best,Mike"
May 2

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At 5:23am on February 19, 2018, Sophie Reyer said…

Good Day,

How is everything with you, I picked interest on you after going
through your short profile and deemed it necessary to write you
immediately. I have something very vital to disclose to you, but I
found it difficult to express myself here, since it's a public
site.Could you please get back to me on:(sophiereyer6@gmail.com) for
the full details.

Have a nice day

My Best Regards.

Sophie.

At 10:34am on May 30, 2014, ya said…

Dear Mike,

Could you tell me how to send email to the discussion group please? or do I have to log in to the webpage every time I want to post something?

Thank you.

ya

 
 
 

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