[R-meta] including uninformative levels

[Cátia Ferreira De Oliveira]

Hello,

I hope you are well.
Is there any benefit/disadvantage of including levels in your model that
only have information coming from a single study? I always remove the
intercept and do not include it in the follow-up comparisons between levels
but wonder if there's a consequence to doing it this way since this one
study will potentially introduce more heterogeneity and does not add much
empirical value for this particular analysis.

Best wishes,

Catia

-- 
Cátia Margarida Ferreira de Oliveira
Psychology PhD Student
Department of Psychology, Room A105
University of York, YO10 5DD
Twitter: @CatiaMOliveira
pronouns: she, her

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