Needs, affect, and interactive products: Facets of user experience
“Subsumed under the umbrella of User Experience, practitioners and academics of Human–Computer Interaction look for ways to broaden their understanding of what constitutes ‘pleasurable experiences’ with technology. The present study considered the fulfilment of universal psychological needs, such as competence, relatedness, popularity, stimulation, meaning, security, or autonomy, to be the major source of positive experience with interactive technologies.” (Hassenzahl, M., Diefenbach, S., and Göritz, A. ~ Experience Design)