Kansei Engineering is a design methodology that uses various methods, including think-aloud laddering, Quantification Theory I (QTI), Partial Least Squares (PLS) analysis, and genetic algorithms combined with fuzzy logic. These methods aim to translate customers' feelings and impressions (Kansei) into product design elements, ensuring the product aligns closely with user emotions and experiences. Reference: Schutte, S., Eklund, J., Axelsson, J., & Nagamachi, M. (2004). Concepts, methods and tools in Kansei engineering.
Theoretical Issues in Ergonomics Science.