Language Acquisition Theory

2.1 Theory of Psycholinguistics

Rachmat (1986: 279) explains that language can be defined in two ways: functional and formal. The definition of functional view of language in terms of its function, so that the language is defined as a shared-tool to reveal idea, while formal definition declares, language as all sentences are unimaginable, which can be made according to the rules of language procedure. In terms of all the functions of language was used as a communication tool and in terms of formal all languages have rules of grammar respectively. All languages are not necessarily the same in grammar, provided that already a deal of their respective owners languages, it is not a problem.Psycholinguistics is the science that describes the psychological

2.2 Theory of Language Acquisition

Language is crucial to young children’s development; it is the essential key for learning, for communicating and building relationships with others as well as enabling children to make sense of the world around them. The role of the environment on a child 's language development is important. Through the neighborhood, children can absorb all the acquired information. However, the most important is a concern of parents and family. Parents help the children develop their first language.

In addition, Krashen (1982:10) explains about language acquisition:

“The first way language acquisition, a process similar, if not identical, to the way children develop ability in their first language. Language acquisition is a subconscious process; language acquirers are not usually aware of the fact that they are acquiring language, but are only aware of the fact that they are using the language for communication. The result of language acquisition, acquired competence, is also subconscious. We are generally not consciously aware of the rules of the languages we have acquired. Instead, we have a “feel” for correctness. Grammatical sentences “sound” right, or “feel” right, and errors feel wrong, even if we do not consciously know what rule was violated. Other ways of describing acquisition include implicit learning, informal learning, and natural learning. In non-technical language, acquisition is “picking-up” a

The nature of children 's language development and stages of language development is very important. A child 's language skills will go hand in hand with the development of physical, mental, intellectual, and social. Therefore the child 's language development is characterized by a continuum that moves from the sounds or simple utterance to the more complex speech. According to Tarigan (1998) there are two basic rules that allow a child can acquire language skills, that are potential biological factors which are owned by the child, as well as social support