[R-meta] Can we call moderators in subgroup analysis predictors?

[Simon Harmel]

Hello All,

A quick question. In classic meta-analysis, moderators help to form groups
of studies and conduct meta analysis separately in each group.

In meta-regression, moderators are directly predictors of effect size in a
regression analysis.

But, can we still call moderators in classic meta-analysis predictors of
effect size?

Thank you,
Simon

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