Performance Evaluation is a hands-on text for practitioners, researchers, educators, and students in how to use scientifically-based evaluations that are both rigorous and flexible. Author Ingrid Guerra-L?pez, an internationally-known evaluation expert, introduces the foundations of evaluation and presents the most applicable models for the performance improvement field. Her book offers a wide variety of tools and techniques that have proven successful and is organized to illustrate evaluation in the context of continual performance improvement.