Expressive vocabulary of selected parts of speech in children of preschool age

Abstact This thesis relates to logopedic theme. It is focused on the issue of expressive vocabulary in preschool age. The main goal is an analysis of this area in children with specific language impairment and in intact children. In the research survey the analysis of the expressive vocabulary is carried out by using a test which was created for this intent. The test contains three subtests focused on different parts of speech. These are nouns, verbs and adjectives. With this test the evaluation of a range of expressive vocabulary and quality of expression is possible. The resulting data show that within the quality of expresion there is a greater difference between proband groups than in the range of expressive vocabulary. The thesis also describes in detail the differences in range of expressive vocabulary depending on individual parts of speech and on ways of inquiring about test entries which are different in individual parts of subtests. The research also includes the analysis of influence of a few chosen social aspects on range of expressive vocabulary and on quality of expression. In the group of intact probands the length of preschool education and number of siblings seems to be a statistically significant factor in relation to the range of expressive vocabulary. The quality of expression correlated..