The textbook presents methodological material for conducting a psycholinguistic experimental study, which can be used in the practice of correctional pedagogical and speech therapy work with children and adults with systemic speech disorders. The manual contains theoretical methodological material devoted to the problem of studying speech activity and the level of language competence, and a practical section - a description of the methods of psycholinguistic and linguistic research, psychological and pedagogical technologies for their use within the framework of a special pedagogical (speech therapy) and psychological and pedagogical examination of persons with speech impairments. and cognitive development. The manual presents the types of educational and practical tasks performed by students in the course of studying the academic disciplines "Psycholinguistics", "Ontogeny of Speech Activity" and "Methods for the Development of Speech of Persons with Disabilities".The manual is addressed to teachers and students of the defectological faculty, faculties of special pedagogy and psychology, pedagogy and psychology of pedagogical and humanitarian universities, as well as a wide range of correctional teachers and psychologists of special educational institutions.