The master’s thesis analyzes active and passive vocabulary of
early age children. It is divided into four chapters. The first
three chapters focus on the theoretical knowledge, the fourth
chapter is devoted to the practical part. The first chapter
defines basic terminology relating to communication, speech and
language. Degrees in speech development and development of
vocabulary in the language level context are defined. It also
includes the description of the child’s development in terms of
ontogenetic developmental psychology. The second chapter deals
with the development of communication skills at early age
children. Role of the family and importance of basic senses in
speech development are described here. Two other subsections
describe speech development potentials in the family and
institutional facilities that may also be involved in speech
development.The third chapter focuses on the deficits in
language development and speech intervention. The first two
subsections concentrate on impaired and delayed speech
development, further use of communication strategies in the
speech development. The last subsection describes the system of
speech therapy in the Czech Republic. The fourth chapter is
devoted to the research study. Methodology and objectives of
the research are stated there. Another subsection is devoted to
the research and analysis. The conclusion summarizes the
findings of the research project.