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The Role of Paradigm Formation in Lexical Acquisition: Towards a Unified Account of Overgeneralization and Transfer Effects

This article argues for a theory of lexical acquisition that takes overgeneralization in monolinguals and syntactic transfer effects in bilinguals to be manifestations of the same underlying mechanism. The theory views both overgeneralization and transfer as epiphenomena of an updating system which spreads newly acquired information across paradigms. A consequence of this setup is that both overgeneralization and transfer effects are only expected to affect members of the same lexical paradigm. Experimental evidence, both old and new, is presented in support of this model.