This book deals with the development of modality from a crosslinguistic perspective and is closely related to two earlier volumes on the development of verb and nominal inflection in first language acquisition (SOLA 21 and 30) both methodologically and theoretically. Each of the fourteen contributions studies the early development of the form and function of expressions of deontic and dynamic agent-oriented modality or epistemic and evidential propositional modality in one of fourteen languages belonging to different morphological types and language families (seven Indo-European and seven non-Indo-European). The analyses are mainly based on longitudinal observations of children in their 2nd and 3rd years of life in conversational interaction with their caregivers, mostly the mothers. Main issues addressed are the development of directives and modulations of information in terms of certainty and evidentiality, also taking into account children’s developing social-pragmatic and cognitive skills. One of the main findings is that agent-oriented and propositional modality may develop in parallel depending on the typological characteristics of the language acquired. The decisive factor is whether notions of propositional modality are grammaticized and obligatorily expressed in the language. The findings are interpreted within non-nativist theoretical frameworks (Usage-based theories, Natural Morphology).

An invaluable resource for students and professionals alike with an interest in child language acquisition.

Developmental research has long focused on regularities in language acquisition, minimizing factors that might be responsible for variation. Although researchers are now increasingly concerned with one or another of these factors, this volume brings together research on three different sources of variation: language-specific properties, the nature of the input to children across contexts, and several aspects of the learners themselves. Chapters explore these sources of variation within an interdisciplinary and comparative approach allying theories and methodologies stemming from linguistics, psycholinguistics, developmental psychology, and neuroscience. The comparative perspective involves different languages, contexts of use, types of learners (first/second language acquisition, monolingual/bilingual learners, autism, language impairment), as well as vocal and visuo-gestural communicative modalities (co-verbal gestures, sign language acquisition). The volume points to the need to enhance interdisciplinary research using complementary methodologies to further examine sources of variation and to integrate variation into a more general developmental theory.

This book deals with the development of modality from a crosslinguistic perspective and is closely related to two earlier volumes on the development of verb and nominal inflection in first language acquisition (SOLA 21 and 30) both methodologically and theoretically. Each of the fourteen contributions studies the early development of the form and function of expressions of deontic and dynamic agent-oriented modality or epistemic and evidential propositional modality in one of fourteen languages belonging to different morphological types and language families (seven Indo-European and seven non-Indo-European). The analyses are mainly based on longitudinal observations of children in their 2nd and 3rd years of life in conversational interaction with their caregivers, mostly the mothers. Main issues addressed are the development of directives and modulations of information in terms of certainty and evidentiality, also taking into account children’s developing social-pragmatic and cognitive skills. One of the main findings is that agent-oriented and propositional modality may develop in parallel depending on the typological characteristics of the language acquired. The decisive factor is whether notions of propositional modality are grammaticized and obligatorily expressed in the language. The findings are interpreted within non-nativist theoretical frameworks (Usage-based theories, Natural Morphology).

The volume deals with the emergence of verb morphology in children during their second and early third year of life from a cross-linguistic perspective. It covers 15 contributions - each analyzing one single language - based on parallel longitudinal investigations of children with parallel methodology and macrostructure in representation. The main question addressed is: How do children detect morphology and construct first subsystems of verbal inflection? The focus lies on the transition from a premorphological phase to a protomorphological phase. The main proposal consists in the concept of miniparadigms and of their relation to morpho-syntactic developments in early first language acquisition.