From: Methods for calculating confidence and credible intervals for the residual between-study variance in random effects meta-regression models
Method
Estimate
Interval
REML
0.083
(0.011, 0.633)
Gen Q ( a i = σ i - 2 )
0.115
(0.003, 0.691)
Gen Q ( a i = σ i - 1 )
0.261
(0.000, 1.125)
Paule-Mandel/Q profile
0.219
(0.002, 1.487)
Bayesian
0.135
(0.011, 0.495)