Figure 2From: Development and validation of MIX: comprehensive free software for meta-analysis of causal research data Structure of the MIX program. The MIX program is started by simply clicking the MIX icon on the desktop or in the Windows Start Menu. The program uses a number of Excel workbooks, of which only the output file (*) is directly accessible by the user. Via the custom interface, several educational features can be accessed and custom meta-analysis reports can be produced.Back to article page