Provides an explanation for the existence of free variation in learner language. Argues that interlanguage is best conceptualized as sets of loose lexical networks that are gradually reorganized into a system or systems. Free variation arises when learners add items to those they have already acquired and before they analyze these items and…

Defines language transfer as a psycholinguistic procedure by which second language learners activate prior knowledge in developing or using their interlanguage. A functional differentiation of language transfer is proposed, according to its activation in learning, reception, and production. (Author/LMO)