The basic point of reading shu? (environmental determinism) theory is that human development mainly depends on external forces, such as environmental stimuli or requirements, the influence of others and school education.
This is a term about explaining the motivation of individual physical and mental development, as opposed to endogenous theory.
Because WaiShuo emphasizes the role of external factors in physical and mental development, it generally emphasizes the value and role of education, and holds a positive and optimistic attitude towards education to transform human nature and form the knowledge, ability and attitude needed for social development.