Other Designed Experiment Types include one-factor designs like randomized block plans, Latin square designs, and Garaceo-Latin designs.
Response surface modeling is a mathematical and statistical technique useful for developing, improving, and optimizing the process.
The Pugh Analysis Matrix is an analysis tool that results in an optimal concept. You refine a list of ideas by using a matrix to compare the designs.
Invented by Genrikh Altshuller, TRIZ analyzes engineering problems and then suggests solutions based on structure. Inventive problems contain at least one contradiction which arise when improving one feature detracts from another.
Brainstorming generates a large number of creative ideas in a short period of time. In Six Sigma, it helps you find solutions to issues.