A Critique of the Contributions of Linguistic, Psychological, Sociological and Pedagogical Principles to the Development of Applied Linguistics in Nigeria

Language is central to the development and integration of any nation. Applied linguistics is essential because, as an interdisciplinary field, it identifies, examines and recommends solutions to language-related existential challenges. Historically, development of Applied Linguistics in Nigeria has been influenced by linguistic, psychological, sociological and pedagogical concepts or principles. This paper has therefore, carried out a critique of the contributions of these principles to the development of language in Nigeria. Some recommendations have also been made toward an improved concepts and practice of English in the teaching-learning process, taking into account the historical and current linguistic contexts of Nigeria.