Описание на библ. документ: "Board on Testing and Assessment, Center for Education, Division of Behavioral and Social Sciences and Education; National Research Council of the National Academies."
Физически характеристики: 1 online resource (xv, 229 pages) : illustrations
Библиография: Includes bibliographical references (pages 171-183) and index.
ISBN: 0309550602
9780309550604