Frontmatter -- Contents -- Acknowledgments -- Contributors -- 1. Profiling Learner Language from a Complex Dynamic System Perspective: An Introduction -- 2. A Dynamic View on Morphosyntactic Accuracy and Complexity in Dyadic Interaction -- 3. A Dynamic View on Prepositions, Modal Auxiliaries and Metaphorical Functions in Dyadic Interaction -- 4. A Dynamic View on Advice Giving in Dyadic Interaction -- 5. A Dynamic View on Relational Propositions in Dyadic Interaction -- 6. A Dynamic View on Topic Management in Dyadic Interaction -- 7. Researching CDST: Promises and Pitfalls -- Index