Psycholinguistics is concerned with the study of human behaviour andlanguage
Its main interest is the relation between language and thinking.For example,the first language acquisition
.Sociolinguistic is the science concerned with the influence of social matters on language use and learning.In other words,its a branch of linguistics which studies all aspects of the relationship between language and society.For example,language of minority group like language of immigrants.
.Philosophical lingutistics studies the s role of language in relation to the understanding and explanation of philosophical concepts,as well as dealing with the philosophical status of lingutistics
theories and observation.
.Anthropological lingutistics is a branch of lingutistics which studies language variation and use in relation to the culture patterns and beliefs of man.
.Stylistic,traditionally ,stylistic analysis has been mainly concerned with the analysis of literary style,or the language variety
characteristic of a writer
.
Language teaching concerned with al educational theory and practice including instruction in both native language and the foreign language.
.Communicational engineering is information theory to communication,passing messages from source to receive.
.Computational lingutistics is to apply computer techniques to lingutistics and literary research,word-frequency counts
and machine translation
.
.Mathematical lingutistics is the application of mathematical models or procedures to lingutistics studies.its an interdisciplinary field concerned with the statistical or rule based modeling of natural language from a computational perspective.