In this paper, which is methodological in nature, we propose to use an established method from the field of Operations Research, the Analytic Hierarchy Process (AHP), in the integrated, stakeholder- oriented evaluation of enterprise modeling sessions: their language, pro- cess, tool (medium), and products. We introduce the AHP and briefly explain its mechanics. We describe the factors we take into consideration, and demonstrate the approach at the hand of a case example we devised based on a semi-realistic collaborative modeling session. The method proposed is to be a key part of a larger setup: a laboratory for the study of operational (i.e. real) modeling sessions and related study and development of methods and tools deployed in them