Figures and Tables Acknowledgements Jean-Marc Dewaele: Foreword: From Two to Three Dimensions in WTC Research Part 1: The WTC Construct and the Research Frontier Chapter 1. Introduction Chapter 2. The Pyramid Model and the Dynamic Turn in WTC Research Part 2: The Research Project Chapter 3. Language Choice and Willingness to Communicate in a Swedish Context Chapter 4. The Project Design and the Research Process Chapter 5. The Participants Part 3: Stories of Interactions in Community Contexts Chapter 6. Developmental Dynamics: Kesu, Maria and Jessie Chapter 7. Linguistic Self-Efficacy and Communication Willingness: Wafaa Chapter 8.

Willingness to Communicate and the Challenges of Tied Migration: Olivia and Titly Chapter 9. Willingness to Communicate and Translanguaging Ideologies: Pranisha and Sabrina Part 4: Syntheses, Conceptualisations and Ethics Chapter 10. At a Specific Time, with a Specific Person or Persons, Using a L2 (or Mix of Languages) Chapter 11. Introducing a 3D Model of the WTC Pyramid Chapter 12. The Probability of Initiating Communication, Given Choice and Opportunity Chapter 13. The 'Ethics of Walking Alongside': Ethical Engagement When Studying a Process in Motion Conclusion References Index.