Ph.D., Applied Linguistics, University of California, Los Angeles (UCLA).
Areas of interest: epistemological issues and theory change in SLA; age differences; maturational constraints and sensitive periods in SLA; SLA processes, e.g, stabilization/fossilization, interlanguage development, explicit and implicit learning, negative feedback (models and recasts) in second language acquisition; language aptitude; the advanced learner; second language research methods; foreign language needs analysis; task-based language teaching.