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The Bottleneck Hypothesis [23] suggests that certain linguistic features in second-language acquisition (SLA) act as a bottleneck, limiting the progression of learners in acquiring the full grammatical system of the target language. According to this hypothesis, functional morphology is the most challenging aspect for adult L2 learners to acquire.
Processability Theory is now a mature theory of grammatical development of learners' interlanguage. It is cognitively founded (hence applicable to any language), formal and explicit (hence empirically testable), and extended, having not only formulated and tested hypotheses about morphology, syntax and discourse-pragmatics, but having also paved the way for further developments at the ...
In second-language acquisition, the acculturation model is a theory proposed by John Schumann to describe the acquisition process of a second language (L2) by members of ethnic minorities [1] that typically include immigrants, migrant workers, or the children of such groups. [2]
For example, if we acquire the rules of language in a linear order (1, 2, 3...), then i represents the last rule or language form learned, and i+1 is the next structure that should be learned. [4] It must be stressed, however, that just any input is not sufficient; the input received must be comprehensible. [ 3 ]
The Input Processing theory, put forth by Bill VanPatten in 1993, [1] describes the process of strategies and mechanisms that learners use to link linguistic form with its meaning or function. [2] Input Processing is a theory in second language acquisition that focuses on how learners process linguistic data in spoken or written language.
One theory of language acquisition is the comprehensible output hypothesis. Developed by Merrill Swain, the comprehensible output (CO) hypothesis states that learning takes place when learners encounter a gap in their linguistic knowledge of the second language (L2). By noticing this gap, learners become aware of it and may be able to modify ...
Crosslinguistic influence (CLI) refers to the different ways in which one language can affect another within an individual speaker. It typically involves two languages that can affect one another in a bilingual speaker. [1] An example of CLI is the influence of Korean on a Korean native speaker who is learning Japanese or French.
These theories conceive of second-language acquisition as being learned in the same way as any other skill, such as learning to drive a car or play the piano. That is, they see practice as the key ingredient of language acquisition. The most well-known of these theories is based on John Anderson's adaptive control of thought model. [1]