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The article investigates the effects of early deprivation on speech development of 4-year-olds in a nursery school and in residential nurseries. In a comparative study, two groups of pre-school children, matched for age, sex, intelligence and home background, were given a battery of verbal tests and their conversations were recorded during periods of free play. Data were obtained on vocabulary and sentence structure under controlled and spontaneous conditions, on the children's ability to understand and express themselves in simple sentences and on verbal expression in social interaction.

The article focuses on the concept of communication development in relation to development of communication system of a society. It mentions the sociological variables proposed by Daniel Lerner that are associated with national development such as urbanization, literacy, and communication. It states the reason for communication to be absent which include the isolation or deprivation of social contact, ignorance or lack of information, and the reluctance of people to join conversations. It says that development of communication contributes in the modernization of the social system.