Acknowledgements	6
	Table of contents	8
	List of abbreviations	12
	Chapter 1. Introduction	14
	Chapter 2. Conceptual considerations	29
	Chapter 3. Research methodology and study design	95
	Chapter 4. An ethnographic account of the study site	115
	Chapter 5. Classroom interaction ‘under repair’	164
	Chapter 6. Directives in aid of classroom organization and educational talk	239
	Chapter 7. Interactive explaining as negotiating knowledge	319
	Chapter 8. Synthesis	392
	Appendix A. Transcription conventions	424
	Appendix B. Questionnaires and guidelines for interviews	425
	Appendix C. Overview of transcribed lessons	431
	References	433
	Subject index	474