TAILIEUCHUNG - The human-Computer Interaction

These lecture notes have evolved over many years of teaching HCI at Graz University of Technology and teaching User Interface Design at Technikum K¨arnten. I would like to thank my students past and present for their many suggestions and corrections which have helped to massage these notes into their current form. | Human-Computer Interaction 2VO Mensch-Maschine-Kommunikation SS 2002 Graz University of Technology Austria Lecture Notes Draft Version of 25th February 2002 Dr. Keith Andrews IICM Graz University of Technology Inffeldgasse 16c A-8010 Graz kandrews@ These lecture notes are available online at http hci Copyright 2002 Keith Andrews Contents Preface viii Credits ix 1 Human Computer Interaction 1 2 Would You Use Untested Software 3 Zippy Evaluating a UI Specification. 3 MANTEL UI Exercise. 11 3 The Psychology of Usable Things 17 The Psychopathology of Everyday Things. 17 The Psychology of Everyday Things. 24 The Psychopathology of Computers. 34 Interface Hall of Shame. 37 User Centered Design. 40 4 Usability Engineering 41 Defining Usability . 42 Usability Engineering Lifecycle . 43 Planning Usability Activities . 45 5 Goal-Oriented Interaction Design 47 Interviewing Users . 50 Creating Personas. 51 Defining Goals for each Persona. 56 Defining Scenarios for each Persona. 56 Moving to a Design Solution . 57 6 Prototyping 60 Verbal Prototype . 60 Paper Mock-Ups . 60 Interactive Sketches . 62 Working Prototypes . 62 Implementation . 64 7 Usability Inspection Methods 66 Heuristic Evaluation . 66 Prioritising Found Usability Problems . 72 Cognitive Walkthrough . 73 Action Analysis . 76 i 8 Usability Testing 78 Preparing for Usability Testing. 79 Six Stages of Conducting a Test. 84 Paper and Pencil Test. 93 Thinking Aloud. 94 Co-Discovery. 95 Formal Experiments. 96 Query Techniques. 99 9 Usability in Practice 101 Comparison of Evaluation Techniques. 101 Discount Usability Engineering. 101 Case Study Touchscreen Toggle Design . 102 Differences in Evaluation Practices . 102 10 Visual Design and Typography 107 Typography . 107 Factors Influencing the Legibility of Text . 107 11 Icon Design 114

• Hệ điều hành
• human computer
• interaction
• management
• computational power
• products embedded
• Electrolux screen