Table of Contents

""Acknowledgements""; ""Chapter 1. Introduction""; ""Chapter 2. Internal analysis. CHP alternation and the organization of discourse""; ""Chapter 3. Field methodology. Consequences of rules of speaking on the collection of data""; ""Chapter 4. Sociolinguistic analysis. Interactional factors as they affect the occurence of CHP""; ""Chapter 5. Conclusion""; ""Epiloque""; ""References""; ""Index""