• Response surface, central composite, and Box-Behnken designs
• Summary of central composite designs
• Blocks in a central composite design
• Summary of Box-Behnken designs
• Blocks in a Box-Behnken design
• What is alpha in a central composite design?
• Should I include or exclude a term?
• What factor values should I use?
• Should I include center points?
• Which terms should I fit?