NEW in the fourth edition! Fully updated and revised based on the 2020 ASHA standards and recent AAA standards, the new edition of this bestseller is the core textbook for all students in clinical methods courses-and a reliable reference for practicing SLPs and audiologists. Leading authority Rhea Paul and newly minted research scholar Elizabeth Schoen Simmons bring together more than 20 academics and clinicians for a state-of-the-art guide to contemporary evidence-based practice. Covering a broad range of disorders and developmental levels, this text sets emerging professionals on the path toward mastering all the fundamentals of practice, from conducting effective assessment and intervention to ensuring that practices are family-centered and culturally inclusive. Tomorrow's clinicians will use this foundational textbook to guide their professional decision-making and provide the best possible services for people with communication disorders. What's new: New chapter on using principles of observation to gather accurate, valid data in clinical settings and more deeply understand clinical processes and procedures Expanded information on intervention principles, with case studies highlighting practical applications and an emphasis on evidence-based practice More on counseling in communication disorders, clinical documentation, relationships with supervisors, and single-case experimental design Updated information on technology in clinical practice New emphasis on automated analysis of communication samples Chapters on clinical competence and family-centered practice by renowned experts New student-friendly text features, such as learning objectives, study questions, and problem-solving questions Case studies and clinical examples throughout Reflects most recent ASHA and AAA standards With new faculty materials, including a test bank for each chapter and suggested projects that professors can assign students to practice the principles outlined in each chapter.