Many studies have shown that reading can have a beneficial effect on second language learning, but relatively few of these have focused on extensive reading in classroom environments over a period of time. This study compares an extensive reading class against a more traditional class involving intensive reading and vocabulary exercises. The…

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.…

Following growing interest in vocabulary acquisition, a number of researchers have proposed how learners' vocabulary knowledge can be measured both in terms of how many words they know (vocabulary size) and how well they know those words (depth of knowledge). However, most of the depth measures have addressed only a single depth aspect (often for…