Four methods for reviewing a body of research literature - narrative review, descriptive review, vote-counting, and meta-analysis - are compared. Meta-analysis as a formalized, systematic review method is discussed in detail in terms of its history, current status, advantages, common analytic methods, and recent developments.
King, William R. and He, Jun
"Understanding the Role and Methods of Meta-Analysis in IS Research,"
Communications of the Association for Information Systems:
Vol. 16, Article 32.
Available at: http://aisel.aisnet.org/cais/vol16/iss1/32