In the United States, when English language learners (ELLs) are tested, they are usually tested in English and their limited English proficiency is a potential cause of construct-irrelevant variance. When such irrelevancies affect test scores, inaccurate interpretations of ELLs' knowledge, skills, and abilities may occur. In this article, we…

The standards outlined in this book have been developed to provide criteria for the evaluation of tests, testing practices, and the effects of test use. The "Standards" provides a frame of reference to ensure that relevant issues are addressed. The first part of the book, "Test Construction, Evaluation, and Documentation,"…