Trofymenko L. Lexical and grammatical sides of the speech development of five years old children with general underdevelopment of speech habits.

The thesis is devoted to the problem of differentiated study of the condition of lexical and grammatical sides development and to correction of definite defects which are typical for five years old children with general underdevelopment of speech habits. The special methodical complex of revealing of the level of lexical and grammatical development of five years old children is elaborated on the named positions. The comparative experimental research of children with normal speech development and with general underdevelopment of speech habits was realized. The mechanisms of violations and difficulties are specified. The contents and methods of correction-developing and preventive training of children of the middle preschool age with general underdevelopment of speech habits were elaborated.