This paper is devoted to the investigation of the possibility of identifying a complex process incorporating parallel independent reactions. The identification was achieved using a previously proposed method relying on the investigation of the form of the transformation-degree dependence of the effective activation energy. Using model data, we consider three main variants of the complex process and have established the characteristic dependences of their activation energy on the transformation degree. It is shown that the shape of these dependences is determined by the ratio of the rates of individual reactions and their partial contribution to the gross transformation degree and can be used for identifying the complex process under consideration.