Addresses the issue of how we know what learners know based on evidence from second language (L2) learners' spontaneous speech samples gathered longitudinally. Examines some of the problems involved in the analysis of spontaneous speech, with focus on second language studies within the generative framework. Considers the effects of the comparative…

An issue currently being debated in second-language acquisition research is whether negative evidence (i.e., information to the learner that his or her utterance is ungrammatical) plays a positive role in the acquisition of the second language. Article reports the results of a small scale study that investigated the effects of formal instruction…

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)

Argues that, when considering subject pronouns, one must examine the input to the learner. English transcripts by two Spanish native speakers demonstrate that the pattern of learner-language pronoun use closely parallels native speaker use. Data suggest that considering principles of Universal Grammar devoid of contest is insufficient for…