The most complete and detailed book devoted to middle range theories, Middle Range Theories: Application to Nursing Research and Practice examines theories and their applications in clinical nursing research and practice. In this fourth edition, the authors address this dynamic relationship with increased emphasis on applications of middle range theories to practice. Every theory chapter includes examples of the theory's use in research, its application to clinical practice and critical thinking exercises. The authors provide expert advice on selecting the appropriate theory for a nursing research project and developing the critical thinking skills needed to critique theories. Each theory chapter provides the nurse researcher with a variety of tools. Key features of the fourth edition include: Brand New chapters exploring concepts surrounding Spiritual Care and Change Definitions of key terms to define concepts and aid the reader's understanding of theories New research studies, diagrams, and explanations to illustrate "The Arc"--how theory improves practice and practice shapes theory Research Application boxes provide a sample application of the theory modeling the research process Critical Thinking Exercises at the end of each chapter engage readers in analysis of the theory and its application to practice Examples of Theory in Practice tables link research to evidence-based practice