Acquisition sequence (or order) is one of the core issues in language acquisition research. The present paper discusses second language research on developmental sequences, focusing on a psycholinguistically based theory-Processability Theory. Based on a number of L1 speech production models and Lexical-Functional Grammar, Processability Theory describes, explains and predicts how a learner's ability to process new linguistic rules develops. From a language processing perspective, L2...[Show more]
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