Glossary Terms Archive

DOE

The design of experiments (DOE, DOX, or experimental design) is the design of any task that aims to describe and explain the variation of information under conditions that are hypothesized to reflect the variation. The term is generally associated...

DMAIC: Definition, Five Phases, Tools, and How to Apply It in Six Sigma

DMAIC stands for Define, Measure, Analyze, Improve, and Control. It is the core problem-solving methodology of Six Sigma and the structured framework that every DMAIC project follows from start to finish. Each letter represents one phase. All five phases run in...

DMADV Methodology for Six Sigma

DMADV stands for Define, Measure, Analyze, Design, and Verify – a structured methodology that guides organizations through the systematic creation of new processes or complete redesign of existing ones. Unlike reactive improvement approaches, DMADV takes a...

What Is DFSS (Design for Six Sigma)? Methodology & Tools

DFSS (Design for Six Sigma) is the umbrella category of Six Sigma methodologies used to design new products, processes, or services with customer requirements and quality built in from the start, rather than fixed after the fact. It matters because standard Six Sigma...

Design Resolution

Design resolution classifies how severely effects are confounded (aliased) in a fractional factorial DOE, using Roman numerals (III, IV, V). It matters because a fractional factorial design deliberately runs fewer combinations than a full factorial, which means some...