This thoroughly expanded edition of Howard Rosenthal's Human Services Dictionary is an essential resource for counselors tackling licensing and certification exams such as the National Counselor Examination (NCE) and human service workers who wish to pass the Human Services Board Certified Practitioner's Examination (HS-BCPE). With over 650 new entries, including terminology related to new areas such as neuroscience, emerging psychotherapeutic strategies, and the new NCE domain areas, definitions are purposely worded to help test takers answer typical questions that commonly show up on exams. Key features include reader-friendly definitions with accompanying examples and extensive cross-referencing, as well as short biographies of important figures in the field, a short history of human services, summaries of popular research experiments, and specialized and slang terms specific to the human service profession. Finally, a useful and up-to-date resource guide is included that delineates common statistical tests, psychoeducational instruments, and organizations. Written in a clear and accessible style, this resource is suitable for anyone in the helping professions, from beginning undergraduate students to seasoned professionals.