Researcher Keith Chan wrote Data Compare-o-Matic to easy verify double-entered data in Microsoft Excel.

• Easy-to-use interface
• Displays discrepancies individually
• Fix discrepancies with a click
• Write-in your own value to replace values in both tables

• Microsoft Excel (with macros enabled)
• Two sets of data arranged in the same order

Watch a video of Data Compare-o-Matic in action!

• Meta-Analysis at 25 (brief history of meta-analysis)
• The Cochrane Collaboration (advocate for health sciences meta-analyses)
• The Campbell Collaboration/ (advances public welfare by preparing, maintaining and disseminating systematic reviews in education, crime and justice, and social welfare)
• Comprehensive Meta-Analysis by Biostat (produces meta-analysis software)
• PRISMA Statement (guidelines for a minimum set of items for reporting meta-analyses)

• Borenstein, M., Hedges, L., Higgins, J., & Rothstein, H. (2009). Introduction to Meta-Analysis. West Sussex: John Wiley & Sons.
• Cooper, H. (2010). Research Synthesis and Meta-Analysis: A Step-by-Step Approach (4th ed.). Los Angeles: Sage Publications.
• Cooper, H., Hedges, L., & Valentine, J. (Eds.). (2009). The Handbook of Research Synthesis and Meta-Analysis (2nd ed.). New York: Russell Sage Foundation.
• Higgins, J., & Green, S. (Eds.). (2008). Cochrane Handbook for Systematic Reviews of Interventions. Southern Gate, United Kingdom: John Wiley & Sons.
• Lipsey, M., & Wilson, D. (2001). Practical meta-analysis. Thousand Oaks, CA: Sage.