This book constitutes the refereed post-conference proceedings the 19th International Conference on Persuasive Technology, PERSUASIVE 2024 held in Wollongong, NSW, Australia, during April 10–12, 2024.The 14 revised full papers and 8 short papers presented in this book were carefully reviewed and selected from 51 submissions.

.- Harnessing Large Language Models for Automatic Evaluation of Mobile Health Applications based on Persuasive System Design Principles and Mobile Application Rating Scale. .- Evaluating the Persuasive Potential from Software Design Specification. .- Exploring the Effect of Using a Single Versus Multiple Behaviour Change Strategies on Motivation to Use Gratitude App and Possible Gender Differences. .- Persuasive design principles for a medication adherence app for chronic arthritis conditions. .- DROP DASH: A Persuasive Mobile Game to Promote Healthy Hydration Choices Using Machine Learning. .- Predicting Ethical Orientation based on Personality for Tailored Cyberethics Training. .- Design and Development of mHealth App: Eye Donor Aust. .- Persuasive Systems Features in Digital Health Interventions for Diabetes Management: A Scoping Review. .- Collaboratively Setting Daily Step Goals with a Virtual Coach: Using Reinforcement Learning to Personalize Initial Proposals. .- Persuasive System Design Features for Mobile Mental Health Applications. .- How would I be perceived if I challenge individuals sharing misinformation? Exploring misperceptions in the UK and Arab samples and the potential for the social norms approach. .- Persuasive Technology through Behavior and Emotion with Pet-type Artifacts. .- An Embodied Conversational Agent to Support Wellbeing After Injury: Insights from a Stakeholder Inclusive Design Approach. .- Exploring Self-competition as a Viable Motivation to Promote Healthy Behavior. .- The Effect of Dark Patterns and User Knowledge on User Experience and Decision-Making. .- Exploring the Influence of Game Framing and Gamer Types on the Effectiveness of Persuasive Games. .- Exploring the influence of persuasive strategies on student motivation: self-determination theory perspective. .- SmileApp: The design and evaluation of an mHealth app for Stress Reduction through Artificial Intelligence and Persuasive Technology. .- How the role of a persuasive robot impacts one's attitude towards it. .- Experiential Learning or direct training: Fostering ethical cybersecurity decision-making via serious games. .- Estimating Sense of Agency from Behavioral Logs of Smartphones and Wearable Devices: Toward a Just-in-Time Adaptive Intervention System. .- Counterfactual Reasoning Using Predicted Latent Personality Dimensions for Optimizing Persuasion Outcome.