"The fully revised and updated second edition of this well-established reference provides over 400 new or improved terms and is an exhaustive guide to the key terms used in psychological testing, assessment and measurement." "Over 3000 definitions offer clear explanations of statistical procedures commonly used in psychology; major psychometric and other psychological tests; categories of mental illness, mental disability, and brain damage; frequently used medical terms; basic neuroanatomy; and types of psychological therapies." "This book is suitable for all levels of understanding, from undergraduate and postgraduate students to practitioners of psychology and associated fields, with particular attention to statistical terms used in typical university syllabuses, as well as tests commonly available in computer packages and cited in psychological journals and similar publications."--BOOK JACKET.