Download or read book Why Designers Can't Understand Their Users written by Leonard Verhoef and published by Human Efficiency, L. Verhoef. This book was released on 2007 with total page 231 pages. Available in PDF, EPUB and Kindle. Book excerpt: Why are computers difficult to use? It is so easy to design a userfriendly computer. Don't blame technicians, designers and managers. Blame cognitive psychology. The conclusions are based on experiments with train ticket vending machines and trains indicators. A typical European view on the application of cognitive psychology.