This article considers linguadidactics being closely related to linguistics, psychology, psycholinguistics and didactics and applies their theoretical statements and regularities in its scientific studies. Methodology refers to linguistics which investigates the language as a teaching subject. Methodology is linked to psychology in two ways. First of all, it is based on psychology as the teaching process is an intellectual psychical act and its regularities are necessary to know. On the other hand, methodology applies rules of pedagogy that predicts ways of learning and development of language skills. The article emphasizes that sustainable work experience and analysis of scientific research show that teaching process is more effective if consistent patterns of linguistics and psychology are appropriately applied.