Abstract 9
Keywords 11
1. Introduction 11
1.1. Framework of Persuasive technology 14
1.1.1. Online Persuasive Technology 15
1.1.2. Mass Interpersonal Persuasion 16
1.1.3. Mobile Persuasion 16
1.2. Wearable devices – technologies 17
1.2.1. The arm or wristbands 18
1.2.2. Data presentation in dashboards and apps that come with these devices 21
1.2.3. Taxonomy of selftracking process 23
1.2.3.1. Goal setting 23
1.2.3.2. Data upload and interpretation 24
1.2.3.3. Communication - coaching 24
1.2.3.4. Personal coaching 25
2. Personal Informatics 25
2.1. Goal setting in Personal Informtics a deeper understanding 29
2.2. Digital history - Mirrors of life experience 30
2.3. Different effects in Personal Informatics 36
2.3.1. The Big Data idea 36
2.3.2 A data-driven life or living by numbers 38
2.4. The relationship between humans, conscious and machines. 40
2.5. The Digital divide 41
3. Behavior change and self monitoring 42
3.1. Self-monitoring and self-observation 43
3.2. Self-knowledge and self - insight 47
3.3. Behavior change and motivation 49
3.4 Intrinsic and extrinsic motivation 50
3.5 Fogg Behavior Model 52
3.6 Behavior Grid 54
3.6.1.The Transtheoretical Model 56
4. From Quantified Self to Preventive Healthcare 61
4.1. Preventive health care – preventive medicine 62
4.2. Different ideas in realizing Preventive health care 65
4.2.1. The quantified Self 65
4.2.2 Social Health Networks 66
4.2.3 Big Health Data 67
4.2.4. Privacy and ownership 68
5. Empirical data on ‘Designing for Personal Health’. 70
5.1. Why this research? 70
5.2. Target audience for this research and motivation 72
5.3. What do we research and what method did we use. 72
5.3.1 Exploration phase 72
5.3.2. Research method 74
5.3.3. Sampling - Data collection 75
5.3.3.1 Mid Long term research 77
5.3.4. Data collection 77
5.3.4.1 Body Media Data collection reports 77
5.3.4.2 Fogg’s behavior model 79
5.3.4.3. Fogg’s Behavior grid 80
5.4 The Particpants 81
5.5 Limitations of research 86
6. Research Results 89
6.1.The affordance of Body Media device 89
6.2. Body Media and Fogg’s Behavior Model 90
6.3. Qualitative analysis 91
6.3.1. Phase I Fall 91
6.3.2. Ease of use and adaptation process of the Body Media armband 91
6.3.3. Identification with the device 94
6.3.4. Making small changes 95
6.3.5. Contextual factors 96
6.3.6. Services around the device 98
6.3.7. Phase I Conclusion 98
6.4. Phase II Winter 99
The silent period - experimental group 99
6.4.1. The mental and physical triggers 100
6.4.2. The awareness 100
6.4.3. Habit forming 101
The silent period - the controlgroup 101
6.4.4. Awareness and habit forming 101
6.4.5. Silent period conclusion 102
6.5. Phase III Spring 102
6.5.1. Starting up again in the experimental group 104
6.5.2. Mental triggers in the reboot phase. 104
6.5.3. Mental roadblocks in the reboot phase 105
6.5.3. Physical side of the device 106
6.5.4. Long term use 107
6.5.5. Data analysis 107
6.5.6. Overall accomplishment after 7 months self-tracking 109
The exerimental group 109
6.5.7. Startup phase in the controlgroup. 110
6.5.8. The overall accomplishment after 7 months 110
The controlgroup 110
6.5.9. Contextual factors in changing behavior 111
7. Quantitave data from the expiremental group. 114
7.1. Conclusion of the Quantitave data 127
7.2. Behavior grid model applied 128
8. Conclusion 130
References 133