Presents data on the past and present state of research on the interlanguage hypothesis, with specific attention to its extension to children. Outlines a dual approach to developing a theory of second language acquisition--a macrobehavioral approach and a neurofunctional approach. Finally, problems for the interlanguage hypothesis are discussed.…

Examined the development of the complementizer system in the second-language learning of two four-year olds, providing evidence which suggests that the tensed complimentizer in embedded declaratives may be treated as a obligatorily null complimentizer by these children. Also examined restrictive relative clauses produced by the two subjects. (MDM)

Six tentative conclusions about the role of extrinsic feedback in interlanguage fossilization are presented and discussed in light of hypotheses made by Virgil and Oller regarding this phenomenon. Extrinsic factors are those characteristics of the learner which are oriented toward the environment and which act as the interface between the learner…

Discusses an alternative framework for handling language testing and proposes some tentative hypotheses concerning principles of language testing. Suggests that taking account of both interlanguage domain engagement and contextualization in testing research, production, and interpretation allows for a richer conceptualization of the language…

Reports on a study investigating whether a field-specific oral proficiency test would be a better predictor of field-specific performance than a general purpose oral proficiency test. A theoretical discussion is presented on field-specific language testing and guidelines for the construction of oral proficiency tests in specific purpose contexts.…

This study builds on research that identified empirical evidence indicating that at least one language for special purposes (LSP) domain and one non-LSP domain are in fact associated with some differential results in the consequent interlanguage (IL) structure of non-native users of English. The current study focuses on the methodological problems…

Six papers on interlanguage are presented. The first, "Language Transfer," experimentally tests Robert Lado's contrastive analysis principles on the transfer of language skills to second language acquisition. The second paper, called "Interlanguage," builds on this work in discussing the structured nature of interlanguage and…