Estimating the bias in meta analysis estimates based on fixed effect model for data with missing variability measures

• Main Author: Nik Idris, Nik Ruzni
• Format: Conference or Workshop Item
• Language: English; English
• Published: 2012
• Subjects: Q Science (General)
• Online Access: http://irep.iium.edu.my/25596/1/irie_2012_1212.pdf; http://irep.iium.edu.my/25596/4/cert_of_participation.pdf; http://irep.iium.edu.my/25596/
• Institution: Universiti Islam Antarabangsa Malaysia

A common drawback with meta analysis is when the variability measures, particularly the variances , are not reported, or “missing” in the individual study. Among the approaches adopted in handling this problem is through exclusion of the studies with missing variances. Alternatively, the missing s...