Tailoring Web Pages for Persuasion on Prevention Topics: Message Framing, Color Priming and Gender -- Supporting Users in Setting Effective Goals in Activity Tracking -- Persuasive and Culture-aware Feedback Acquisition -- Crowd-Designed Motivation: Combining Personality and the Trans-theoretical Model -- The EDIE Method - Towards an Approach to Collaboration-Based Persuasive Design -- Persuasive Backfiring: When Behavior Change Interventions Trigger Unintended Negative Outcomes -- Captology and Technology Appropriation: Unintended Use as a Source for Designing Persuasive Technologies -- Self-Reflection and Mindfulness States: Designing Mobile Tools for Cultivating Curiosity and Decentering Situated in Everyday Life -- Alcohol Behaviour Change: Lessons Learned from User Reviews of iTunes Apps -- Persuasive Strategies to Improve Driving Behaviour of Elderly Drivers by a Feedback Approach -- Creating Awareness of Sleep-Wake Hours by Gamification -- Cicero: Middleware for Developing Persuasive Mobile Applications -- Formalization of Computational Human Behavior Models for Contextual Persuasive Technology -- The Persuasive Potential Questionnaire (PPQ): Challenges, Drawbacks, and Lessons Learned -- Persuasive Practices: Learning from Home Security Advisory Services -- Persuasive Patterns in Q&A Social Networks -- Utilizing a Digital Game as a Mediatory Artifact for Social Persuasion to Prevent Speeding -- Smile Catcher: Can Game Design Lead To Positive Social Interactions -- More than Sex: The Role of Femininity and Masculinity in the Design of Personalized Persuasive Games -- A Gamified Solution to Brief Interventions for Nightlife Well-Being -- Long-Term Effects of Computerized Simulations in Protracted Conflicts: The Case of Global Conflicts -- Understanding Changes in the Motivation of Stroke Patients Undergoing Rehabilitation in Hospital -- Developing a Virtual Coach for Chronic Patients: A User Study on the Impact of Similarity, Familiarity and Realism -- Improving Adherence in Automated e-Coaching -- Online Peer Groups as a Persuasive Tool to Combat Digital Addiction -- Red Radiators Versus Red Tulips: The Influence of Context on the Interpretation and Effectiveness of Color-Based Ambient Persuasive Technology -- Investigating Politeness Strategies and Their Persuasiveness for a Robotic Elderly Assistant -- RightOnTime: The Role of Timing and Unobtrusiveness in Behavior Change Support Systems -- Persuasive Information Security: Techniques to Help Employees Protect Organizational Information Security -- Lock Up the Lighter: Experience Prototyping of a Lively Reflective Design for Smoking Habit Control. .