A method of determining the quality of polymerization catalysts comprises a) provision of the catalysts, b) polymerization of a monomer using these catalysts, c) isolation of the polymers obtained in b), d) characterization of the polymers, wherein the method is carried out in an assembly of n vessels in an essentially automated fashion, where the steps a) to d) are all carried out in parallel or are all carried out sequentially or some of the steps a) to d) are carried out in parallel and the remainder are carried out sequentially and n is a natural number greater than or equal to 2.