Two commonly used test types to assess vocabulary knowledge for the purpose of reading are size and levels tests. This article first reviews several frequently stated purposes of such tests (e.g., materials selection, tracking vocabulary growth) and provides a reasoned argument for the precision needed to serve such purposes. Then three sources of…

This study investigates the effects of receptive and productive vocabulary learning on word knowledge. Japanese students studying English as a foreign language learned target words in three glossed sentences and in a sentence production task in two experiments. Five aspects of vocabulary knowledge--orthography, syntax, association, grammatical…

Context of learning, such as whether a learner studies a second language (L2) in a formal classroom--"at home" or abroad--may be a key factor in developing grammatical and lexical abilities. Yet, little empirical data is available comparing the effects of study abroad (SA) and formal instruction "at home" (AH) experiences on…