This study examined the effectiveness of explicit instruction on second language (L2) learners' implicit and explicit knowledge of English. Explicit instruction on the generic and non-generic use of English articles was delivered by CALL activities. Four tasks assessed acquisition: elicited imitation, oral production, grammaticality judgement, and…

Describes a case study and a follow-up comparative study that focused on expert foreign language teachers' professional knowledge as it was reflected in their spoken and written discourse. Both studies provide evidence indicating that professional knowledge can develop via its verbalization in reflective-narrative discourse from personal…