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In the paper one tried to analyse the methodological views in the context of relations between theory and empiricism. The point of issue to the analysis is rational action and the purpose of science is true with Tarsky's conventionality. These premises causes a number of the cognitive methodological complications. To point out these complications and some solutions are main purpose of this paper.
The conceptual development of diffusion models within marketing has focused on marketing mix variables and on a simple process representing the influence of others in the social system. In most models only a limited number of variables is considered due to the difficulty of modeling interactions when multiple variables are incorporated. The final conclusion of the paper that can be derived from joining...
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