I'm wondering about the interpretation of tau squared. In statistics, what kind of information does tau squared provide? Is it related to variance or some other measure of dispersion?
6 answers
Elena
Wed Nov 20 2024
RevMan, similar to other meta-analysis software, offers a method to estimate the between-study variance.
Michele
Tue Nov 19 2024
By taking the square root of tau-squared, we obtain tau.
Sara
Tue Nov 19 2024
Tau serves as the estimated standard deviation of the underlying effects across studies.
Bianca
Tue Nov 19 2024
This estimation is provided in the context of a random-effects meta-analysis.
SamuraiWarrior
Tue Nov 19 2024
The between-study variance is known as tau-squared (τ2 or Tau2).