Combining a strong clinical emphasis with new chapter learning aids, the Third Edition ofArticulatory and Phonological Impairmentsprovides students with a clinical framework that encompasses basic terms and concepts, phonetic transcription, and several theoretical perspectives that are extensively applied to clinical examples. While this text offers a thorough discussion of phonetic principles (also known as the traditional or motor approach) applied to the diagnosis and treatment of motor-based disorders, emphasis is placed on phonemic approaches. Contemporary issues such as features of a phonological assessment, various phonemic-based therapies, and newer nonlinear/ multi-linear phonologies and their role in the assessment and intervention process are treated in detail New to The Third Edition: Extensive revisions to Chapter 4includeNEWadditional analysis procedureswhich demonstrate the clinical applicability of distinctive feature theory and natural phonology. ANEWsection inChapter 5provides new information and research onphonological awareness, emerging literacy, and phonological disorders. Chapter 6includesNEW contentonregional and ethnic dialectsas well asEnglish as a second language, with expanded information on theTelsur Projectat the University of Pennsylvania andAfrican American Vernacular English. NEW Learning objectivesthat encompass the key points of that chapter have beenadded to the beginning of each chapterto focus the student learning experience. NEW learning aids, including case studies, websites, further readings, critical thinking activities, and test questions, at the end of each chapterprovide students with the needed tools to assess and improve their understanding of the chapter content.