In this complete survey of the theories, methods, and key findings within applied linguistics, students are introduced to core research questions and the various approaches to tackling these. In this complete survey of the theories, methods, and key findings within applied linguistics, students are introduced to core research questions and the various approaches to tackling these. Notes on Contributors vii Acknowledgements ix 1 Introducing Applied Linguistics 1 Li Wei Part I Language in Development 27 2 First Language Acquisition 29 Zhu Hua 3 Second and Additional Language Acquisition 46 Jean-Marc Dewaele 4 Language and the Brain 69 Marjorie Lorch Part II Language in Use 89 5 Language in Interaction 91 María Elena Placencia 6 Intercultural Communication 112 Zhu Hua 7 Literacy and Multimodality 130 Li Wei, Lisa J. McEntee-Atalianis and Marjorie Lorch Part III Language in Society 149 8 Language Diversity and Contact 151 Penelope Gardner-Chloros 9 Language, Identity and Power 172 Lisa J. McEntee-Atalianis 10 Language Planning and Language Policy 191 Li Wei Part IV Language in Public Life 211 11 Language Assessment 213 Li Wei 12 Language in Media, Health and Law 228 Malcolm Edwards 13 Translation and Interpreting 245 Malcolm Edwards Glossary 262 Resources List 270 Li Wei and Zhu Hua References 285 Index 303