Agendas for Language Learning Research

Lourdes Ortega is Professor in the Department of Linguistics at Georgetown University. She investigates additional language development in instructed contexts from cognitive-interactionist and usage based perspectives and has long-standing interests in second language writing, foreign language education, and research methods. She serves as Journal Editor of Language Learning.Alister Cumming is Professor and Head of the Centre for Educational Research on Languages and Literacies at the Ontario Institute for Studies in Education, University of Toronto.  His research and teaching focus on writing in second languages, language assessment, language program evaluation and policies, and research methods. He serves as Executive Director of Language Learning.Nick C. Ellis is Professor of Psychology, Professor of Linguistics, and Research Scientist in the English Language Institute at the University of Michigan. His research interests include language acquisition, cognition, emergentism, corpus linguistics, cognitive linguistics, applied linguistics, and psycholinguistics He serves a General Editor of Language Learning.

• Foreword vLourdes OrtegaSLA for the 21st Century: Disciplinary Progress, Transdisciplinary Relevance, and the Bi/multilingual Turn 1–24Nick C. Ellis, Matthew Brook O’Donnell, and Ute RömerUsage-Based Language: Investigating the Latent Structures That Underpin Acquisition 25– 51Robert M. DeKeyserAge Effects in Second Language Learning: Stepping Stones Toward Better Understanding 52– 67Kathleen Bardovi-HarligDevelopingL2Pragmatics 68– 86Scott JarvisCapturing the Diversity in Lexical Diversity 87– 106Diane Larsen-FreemanTransfer of Learning Transformed 107– 129Alister CummingMultiple Dimensions of Academic Language and Literacy Development 130– 152Mary J. SchleppegrellThe Role of Metalanguage in Supporting Academic Language Development 153– 170Richard F. Young and Alice C. AstaritaPractice Theory in Language Learning 171– 189John H. SchumannSocietal Responses to Adult Difficulties in L2 Acquisition: Toward an Evolutionary Perspective on Language Acquisition 190– 209Subject Index 210–215