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…

The concept of "washback," especially prominent in the field of applied linguistics, refers to the extent to which a test influences teachers and learners to do things they would not otherwise necessarily do. Some writers invoke the notion of washback validity, holding that a test's validity should be gauged by the degree to which it has…