Marc Hassenzahl explains the fascinating concept of User Experience and Experience Design. Commentaries by Don Norman, Eric Reiss, Mark Blythe, and Whitney Hess
User Experience and Experience Design !
Funke, Frederik, Reips, Ulf-Dietrich and Thomas, Randall K. (2011): Sliders for the smart: Type of rating scale on the Web interacts with educational level. In Social Science Computer Review, 29 pp. 221-231. Available online