What are the characteristics of the methodological tradition of empirical science?

Early migration from natural science, the guiding ideology of natural research and how to study the theory, logic, hypothesis, premise and principle of nature. Such as the "economic man" hypothesis in economics. 1. World outlook and methodology: the intersection of methodology and epistemology 2. Methodology and theory: Methodology is a theory about methods, while theory is a viewpoint and systematic understanding of actual phenomena. Methodology does not involve specific phenomena, discipline theory is called phenomenology, and methodology is instrumental theory. 3. Methodology and specific methods: Methodology is an investigation of people's practical activities at the level of thinking, close to the philosophical level. The specific method is the application of specific technology at the operational level, which is close to the classics.