Diagnosis of reasoning speech development of pre-school age children with general speech underdevelopment

The article carries out a research of speech activity of pre-school age children with general speech underdevelopment of the 3d level. The undertaken study defines lexical-grammatical and structural-compositional features of children’s speech building. The research results are relevant for improvement of the methodology for developing the speech of the children with general speech underdevelopment of the 3d level.