The interactionist hypothesis holds that conversational interaction facilitates second language (L2) learning by providing learners opportunities to receive meaningful input, modify their output, and attend to language form. Although research has often explored the efficacy of different types of L2 instruction (deductive or inductive), few studies…

Reviews research findings on second-language (L2) interaction from the perspective of syntactic development. The article argues that better understanding of the role of negotiated interaction in L2 syntactic development requires examining the specific grammatical structures in interaction guided by the criteria of relevance, availability,…