The chapters in this volume provide the first comprehensive overview of trends in research on early phonological, lexical, syntactic and pragmatic development in children acquiring two (or more) languages simultaneously. Ongoing as well as emerging issues are examined and discussed by leading researchers in the field. Collectively, these studies extend our knowledge of bilingual acquisition and broaden our understanding of the child's ability to acquire and use language. This volume is of interest to researchers working on language acquisition by monolingual and bilingual children, graduate students of psychology, linguistics and communication sciences, and researchers and professionals concerned with the diagnosis and treatment of bilingual children with language impairment.

This book presents a comprehensive, state-of-the-art treatment of the acquisition of Indo- and Non-Indo-European languages in various contexts, such as L1, L2, L3/Ln, bi/multilingual, heritage languages, pathology as well as language impairment, and sign language acquisition. The book explores a broad mix of methodologies and issues in contemporary research. The text presents original research from several different perspectives, and provides a basis for dialogue between researchers working on diverse projects with the aim of furthering our understanding of how languages are acquired. The book proposes and refines new theoretical constructs, e.g. regarding the complexity of linguistic features as a relevant factor forming children’s, adults’ and bilingual individuals’ acquisition of morphological, syntactic, discursive, pragmatic, lexical and phonological structures. It appeals to students, researchers, and professionals in the field.

This volume presents recent generative research on the nature of grammars of child second language (L2) acquirers -- a learner population whose exposure to an L2 occurs between the ages of 4 to 8. The main goal is to define child L2 acquisition in relation to other types of acquisition such as child monolingual and bilingual acquisition, adult L2 acquisition, and specific language impairment. This comparative perspective opens up new angles for the discussion of currently debated issues such as the role of Universal Grammar in constraining development, developmental sequences in L2, maturational influences on the 'growth' of grammar, critical period effects for different linguistic domains, initial state and ultimate attainment in relation to length of exposure, and L1-transfer in relation to age of onset. These issues are explored using longitudinal, cross-sectional, and experimental data from L2 children acquiring a range of languages, including Dutch, English, French, and Greek.

Children acquiring two languages, either simultaneously or sequentially, have more variation in their linguistic input than their monolingual peers. Understanding the nature and consequences of this variability has been the focus of much recent research on childhood bilingualism. This volume constitutes the first collection of research solely dedicated to the topic of input in childhood bilingualism. Chapters represent a range of theoretical and methodological approaches to the study of childhood bilingualism, covering a variety of language combinations and sociocultural contexts in Europe, Israel, North and South America. As a reflection of the field’s current understanding of the intricate relationship between experience and development in children growing up with two or more languages, this volume will be of interest to scholars and practitioners working with bi- and multilingual learners in various sociolinguistic and educational contexts.

In recent years the field has seen an increasing realisation that the full complexity of language acquisition demands theories that (a) explain how children integrate information from multiple sources in the environment, (b) build linguistic representations at a number of different levels, and (c) learn how to combine these representations in order to communicate effectively. These new findings have stimulated new theoretical perspectives that are more centered on explaining learning as a complex dynamic interaction between the child and her environment. This book is the first attempt to bring some of these new perspectives together in one place. It is a collection of essays written by a group of researchers who all take an approach centered on child-environment interaction, and all of whom have been influenced by the work of Elena Lieven, to whom this collection is dedicated.

Differential Object marking (DOM), a linguistic phenomenon in which a direct object is morphologically marked for semantic and pragmatic reasons, has attracted the attention of several subfields of linguistics in the past few years. DOM has evolved diachronically in many languages, whereas it has disappeared from others; it is easily acquired by monolingual children, but presents high instability and variability in bilingual acquisition and language contact situations. This edited collection contributes to further our understanding of the nature and development of DOM in the languages of the world, in acquisition, and in language contact, variation, and change. The thirteen chapters in this volume present new empirical data from Estonian, Spanish, Turkish, Korean, Hindi, Romanian and Basque in different acquisition contexts and learner populations. They also bring together multiple theoretical and methodological perspectives to account for the complexity and dynamicity of this widespread linguistic phenomenon.

This is the second volume in the series 'Trends in language acquisition research'. The unusual combination in one volume of reports on various different sign languages in acquisition makes this book quite unique.