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Con tents

Chapter 1 What is interaction design? 1
1 .I Introduction 1
1.2 Good and poor design 2
1.2.1 What to design 4
1.3 What is interaction design? 6
1.3.1 The makeup of interaction design 6
1.3.2 Working together as a multidisciplinary team 9
1.3.3 Interaction design in business 10
1.4 What is involved in the process of interaction design? 12
1.5 The goals of interaction design 13
1.5.1 Usability goals 1 A
1.5.2 User experience goals 18
1.6 More on usability: design and usability principles 20
1.6.1 Heuristics and usability principles 26
Interview with Gitta Salomon 3 1

Chapter 2 Understanding and concep~alizing interaction 35
2.1 lntroduction 35
2.2 Understanding the problem space 36
2.3 Conceptual models 39
2.3.1 Conceptual models based on activities 41
2.3.2 Conceptual models based on objects 51
2.3.3 A case of mix and match? 54
2.4 Interface metaphors 55
2.5 Interaction paradigms 60
2.6 From conceptual models to physical design 64
Interview with Terry Winograd 70

Chapter 3 Understanding users 73
3.1 Introduction 73
3.2 What is cognition? 74
3.3 Applying knowledge from the physical world to the digital world 90
3.4 Conceptual frameworks for cognition 92
3.4.1 Mental models 92