External validity

The external validity or general regards the generalization of the research results. Are the conclusions made valid for other areas then the one studied i.e., are results from one case company also valid at other case companies and maybe in a general context.

This can either be assured by theory or replicate case studies at other companies in different areas. Yin propose to use analytical generalization for case studies, meaning that the result should be compared with existing theory. By comparing with established theory there can be support or not for the proposed findings. I

n this research, that has been explorative in nature, this has been performed in order to identify research gaps. Moreover, in this research seven companies from different domains have been involved and the resulting tools are conceptual, hence general in their nature in order to be able to adapt them according to different contexts. These tools can therefore only be validated by having the conceptual tools proven in practice.