Review article: Instructed second language vocabulary learning

This article overviews current research on second language vocabulary learning. It concludes that a large vocabulary is necessary to function in English: 8000—9000 word families for reading, and perhaps as many as 5000—7000 families for oral discourse. In addition, a number of word knowledge aspects need to be learned about each lexical item. Taken together, this amounts to a substantial lexical learning challenge, one which many/most learners fail to meet. To facilitate adequate vocabulary learning, four vocabulary learning partners (students, teachers, materials writers, and researchers) need to contribute to the learning process. Vocabulary learning programs need to include both an explicit, intentional…