This paper investigates the effect of using L1 translations versus L2 definitions on the learning and testing of L2 vocabulary recognition knowledge. For this study, 48 Japanese L2 learners of English studied 200 lexical items from the academic word list (AWL) over a 10-week period. To support their learning, the participants were provided with…

Testing learners' English proficiency is central to university English classes in Japan. This study developed and implemented a set of parallel online receptive aural and visual vocabulary tests that would predict learners' English proficiency. The tests shared the same target words and choices--the main difference was the presentation of the…

The purposes of this study are (1) to longitudinally measure the receptive vocabulary size (VS) of Japanese EFL senior high school learners; (2) to investigate how the learners develop their VS; and (3) to describe the longitudinal developmental patterns of VS of each learner during their three years of high school. Kasahara's (2005) VS tests, a…