[R-meta] Random vs. Fixed Effects model in metafor with multiple effect sizes per study

Mia Daucourt m|@d@ucourt @end|ng |rom gm@||@com
Tue Jun 25 18:31:50 CEST 2019

Good afternoon,

I’d like to run a fisher’s z meta-analysis with multiple effect sizes per study. As such, I have it set up in a multilevel framework. I have two questions:

1.Do I have to run it as a random effects model or can I run it as a fixed effects multilevel model?

2. If not, then I should run random effects model. However, when I run it as a random effects multilevel model I get non-significant heterogeneity. Is it still proper to run a moderator analysis when you do not find significant heterogeneity?

Please let me know if you have any insight on the best course of action to take!

My best,

Mia Daucourt

Florida State University
Developmental Psychology PhD student
IDCD Hart lab
daucourt using psy.fsu.edu

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