One concise way to help explain the introduction of new con...
Language-centered methods are those that seek to provide opportunities for learners to practice preselected linguistic structures through form-focused exercises in class. The assumption is that language practice will ultimately lead to a mastery of the target language and that learners can draw from this formal repertoire whenever they wish to communicate in the target language outside the class. According to this belief, language development is largely intentional rather than incidental; and language learning seen as a linear, additive process.
Learner-centered methods are those that are principally concerned with language use and learner needs. These methods seek to provide opportunities for learners to practice preselected, presequenced grammatical structures as well as communicative functions (i.e., speech acts such as apologizing, requesting, etc.) through meaning-focused activities. Proponents of learner-centered methods believe in accumulated entities, represented by structures plus notions and functions.
Learning-centered methods are those that are principally concerned with learning processes. These methods seek to provide opportunities for learners to participate in open-ended meaningful interaction through communicative activities or problem-solving tasks in class. The assumption is that a preoccupation with meaning-making will most likely lead to grammatical as well as communicative mastery of the language and that learners can learn through the process of communication. In this approach, unlike the other two, language development is a nonlinear process and considered more incidental than intentional. Proponents of learningcentered methods believe that language is best learned when the learner’s attention is focused on understanding, saying and doing something with language, and not when their attention is focused explicitly on linguistic features.
(Kumaravadivelu, B. Beyond Methods: Macrostrategies for language learning. Haven and London: Yale University Press. 2003. Adaptado)