The Optimal Age to Learn a Foreign Language

its advanced placement, especially in methodology and goals. Both levels influence each other if they have conferences which are freely attended and participated in by both sides. Perhaps Politzer is essentially correct when he says that changes in methods and aims of foreign language curricula are shaped primarily by forces outside th field of language teaching and even of education. The curriculum reflects the changing values of society, and changes in subject matter in turn influence content as well as method.'

[1]  K. Lorenz The evolution of behavior. , 1958, Scientific American.