Evaluating existing study results from different point-of-views can create many new insights and, at the same time, make research more efficient. The meta-analysis is a suitable mean of rediscovering old studies and making full use of available knowledge. Roland Herterich and Matea Platschek explain how to approach a meta-analysis in the context of market research and why it is sometimes superior to new research projects.

Take a look via the link below (only available in German).