The fifth edition of this award-winning text continues to be the only advanced practice nursing resource to focus exclusively on outcome assessment, an integral aspect of quantifying the effectiveness of care, both clinically and financially. Written by expert practitioners, educators, and researchers, this text analyzes the foundations of outcome assessment, provides guidelines for selecting assessment instruments and measuring results, and discusses design and implementation challenges. It also covers specialty areas of practice and specialty-specific considerations for outcome evaluation. This revision provides APRN students, educators, and administrators with the most up-to-date resources and information on measuring outcomes of practice. The fifth edition has a strong focus on practice-specific quality metrics and covers a recent national collaborative project that showcased outcomes of nurse-led initiatives as part of the Choosing Wisely Campaign. Additionally, the fifth edition now includes an outcome assessment template to aid in the application of content.