Examines the concept of washback as an instance of the consequential aspect of construct validity, linking positive washback to direct assessments and the need to minimize construct underrepresentation and construct-irrelevant difficulty in the test. The article explains washback as referring to the extent to which test use influences language…

Analyzed and validated revised versions of the 2000 Word Level and the University Word Level of Nation's Vocabulary Levels Test, which can be administered for course planning and placement in language programs. Japanese high school and university students (n=496) completed four forms of the 2000 Word Test, and 464 completed four forms of the…