Introducing a proven user interface design model for the design and development of high-quality user interfaces, this new edition is a professional guide to designing traditional graphical user interfaces (GUIs) and object- oriented graphical user interfaces, plus high-quality character-based interfaces, and state- of-the-art multimedia user interfaces. Covers prototyping and usability testing; multimedia user interfaces, including discussions of sound, high- resolution images, and full-motion video; task analysis; the three most popular statistical methods; and documentation and training issues. For user interface specialists, programmers, systems analysts, system designers, project leaders, and system engineers.