"This evidence scan addresses the following questions: How has the experience of patients and careres been measured in healthcare What are the pros and cons of different approaches for measuring improvement over time? It provides and accessible overview of the range of methods that have been used to measure patient experience, in order to help practitioners, planners, and researchers consider the best approaches for their own local improvement initiatives. However, the focus is on compiling broad themes from literature, not providing summaries of individual studies or tools."