Gustav Freytag idf Freytag’s Pyramid Dramatic structure is the structure of a dramatic work such as a book, play, or film. There are different kinds of dramatic structures
alan dix Donald Norman Frank Spillers idf Interaction Design Foundation The World’s Leading Online Design School We’re market leaders in online design education because the world’s leading experts create our
adaptative design idf responsive design Responsive Design Responsive web design (RWD) is an approach to web design that makes web pages render well on a variety of devices and window or screen sizes from
idf usabillity testing Frank Spillers Frank Spillers is the founder of Experience Dynamics, a leading UX consulting firm with Fortune 500 clients worldwide. For over 20 years, Frank has
Donald Norman idf Jakob Nielsen nngroup ux Nielsen Norman Group World Leaders in Research-Based User Experience We are a UX research and consulting firm trusted by leading organizations world-wide to provide
hci idf tog Bruce Tognazzini Bruce «Tog» Tognazzini (born 1945) is an American usability consultant and designer. He currently works in partnership with Donald Norman and Jakob
idf nngroup Jakob Nielsen Jakob Nielsen (born October 5, 1957, in Copenhagen, Denmark) is one of the most respected people in the world on usability on the web. This interface
idf nngroup Donald Norman Donald A. Norman (December 25, 1935) is Emeritus Professor of Cognitive Science at the University of California, San Diego and Professor of Computer