The document discusses Kansei Engineering and its application in user-centered design. It introduces the speaker's research focusing on emotional design and how products' formal properties impact semantic experiential properties. It then explains the three levels of Kansei Engineering - visceral, behavioral, and reflective - and provides examples. Finally, it outlines the methodology for a Kansei Engineering study conducted on designing jewelry for young Iranian women, including identifying relevant kansei words, designing product features, and testing designs.