sdm-help-list > Formula to calculate variance of Hedge's d
Sep 14, 2017 01:09 AM
Formula to calculate variance of Hedge's d
Dear Dr. Radua,
In your method, you used Hedge's d (or g*). You mentioned to look at your papers for how the T values were converted to Hedge's d and its variance. However, I can not find it in your papers.
Could you kindly point me the formulas to calculate Hedge's d (or g*) and its variance.
Furthermore, to combining across studies, did you use DerSimonian and Laird approach?
Chao-Gan YAN, Ph.D.
Deputy Director, Magnetic Resonance Imaging Research Center
Institute of Psychology, Chinese Academy of Sciences
16 Lincui Road, Chaoyang District, Beijing 100101, China
DPABI, DPARSF, PRN and The R-fMRI Network (RFMRI.ORG)
|Chao-Gan YAN||Sep 14, 2017|
|Joaquim Radua||Oct 11, 2017|