MEANING
A statistical model allowing effects to vary across sampled groups, studies, or units.
Use it for
Use when effects are expected to vary across sampled units.Describe modeling that allows genuine variation among groups or studies.
Words that belong together
- fit a random-effects model
- random-effects meta-analysis
- between-study variation
On the page
The reviewers selected a random-effects model because treatment effects differed across clinics.
Nearby words
Word forms
- Base
- random-effects model
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Usage notes
In meta-analysis, it models a distribution of underlying effects rather than assuming one identical true effect everywhere.
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