Plan, Do, Study, Act, or PDSA, is a four-stage problem-solving model used for improving a process, testing possible solutions, or implementing a change. It goes like this: you plan for a change, do or implement that change, study the effects of what you did, and then act according to the results of your analysis. In this course, we'll discuss how to use this valuable tool to develop solutions that address problems and opportunities for improvement in your workplace.