Completely revised and expanded, this edition maintains a balance between design and analysis topics, but includes new material and numerous updated examples. Coverage includes a discussion of the Taguchi approach to parameter design, along with a critique of this method and recommended alternatives; additional topics on the selection of a response surface design and an introduction to the mixture problem. Throughout, the book stresses the importance of experimental design (as a tool for the practising engineer) to product design and development, process development and improvement, and process troubleshooting.