Continues to provide a systematic introduction and overview of behavioral and cognitive principles and their applications to a wide range of problems and situations encountered in the human service professions. The authors feature a detailed and sequential organization that encourages readers to move progressively through material of increasing complexity and to conduct self-assessments of their knowledge. Any student pursuing a career in the helping professions, including social work, psychology, counseling, special education, nursing, and psychiatry, will find this book valuable.