Methodology of the reasoning speech formation for senior pre-school age children with speech underdevelopment

The article presents results of the experimental research concerned with development and testing of the methodology of the reasoning speech formation of the senior pre-school age children with general speech underdevelopment of the third level. The developed methodology is of the stage-by-stage nature and supposes application of various methods and modes, such as: didactic games and exercises, models of text structure, problem situations, etc. The methods and modes allow formation of not only lexico-grammatical skills and compositional layout of the reasoning speech, but also development of the mental processes: perception, memory and thinking. The results of the experiment carried out under the research prove efficiency of the presented methodology.