Quality folks use and promote some standard problem solving and continuous improvement methods, and you’ll want to reference the right acronym when getting buy-in for your improvement project. You may have heard of PDCA, PDSA, and DMAIC. You vaguely know they’re improvement, but don’t really know what their differences are. When should you use which one, and for what? This installment demystifies the titles and explores the history of each so you can talk about the right tool for your project.