Successful interaction with products, tools, and technologies depends on usable designs, accommodating the needs of potential users and does not require costly training. In this context, this book covers emerging concepts, theories and applications of human factors knowledge focusing on the discovery and understanding of human interaction with products and systems for their improvement. It focuses on the following subjects: usability methods and tools; theoretical issues in usability; and usability in web environment.

Section I: Usability Methods and ToolsUsing Space Exploration Matrices to Evaluate Interaction with Virtual Environments, L. Teixeira, E. Duarte, J. Teles, M. Vital, F. Rebelo and F. Moreira da SilvaMeasuring and Managing the Consistency and Effectiveness of Checklists Used to Assess Jobs at Risk for Musculoskeletal Disorders, T. AlbinCan Virtual Reality Methodologies Improve the Quality of Life of People with Disabilities? L. Braccialli, F. Rebelo and L. PereiraA Proposal of Usability Task Analysis for User Requirements and Evaluation, T. YamaokaAn Application of the Objects' Layout Optimization Models in an Ergonomic Analysis - A Case Study, J. Koszela, J. Grobelny and R. MichalskiEye Movement and Environmental Affordances in a Emergency Egress Task: A Pilot Study, P. Noriega, E. Vilar, F. Rebelo, L. Pereira and I. SantosComparing Likert and Pictorial Scales to Assess User Feedback, F. Campos, R. Belfort and W. CorreiaEvaluation of Safety and Usability in Projectual Methodologies with Focus on Design of Physical Artifacts, W. Correia, F. Campos, M. Soares and M. BarrosDrillis and Contini Revisited, J. Peacock, M. Aravindakshan, T. Xin, C. Ping, L. Ping, F. Ding, , T. Chuan, Singapore, M. Hartono, Indonesia, and N. StellaUsability Evaluation of a Virtual Reality System for Motor Skill Training, W. Jeon, M. Clamann, B. Zhu, G.-H. Gil and D. Kaber"ERGOMASTER" - The Software Solution to Ergonomic Design of UI, J. Bessonova, A. Oboznov and A. BakanovProposal of Human Interface Architect Framework ¿ Application Human-Centered Design Process To Software / System Development Process, S. Fukuzumi and Y. TanikawaA Study on the Interaction Styles of an Augmented Reality Game for Active Learning with a Folk Festival Book, C.-W. Chiang and L.-C. ChenUX Embodying and Systematizing Method to improve user experience in sys