This volume sheds empirical light on Complex Dynamic Systems Theory (CDST) by providing five sets of analyses of two longitudinal, interactional datasets, involving two dyads exchanging emails over one academic semester. The collective study on CDST is the first of its kind, in that it delves into multiple subsystems of learner language,…

The chapters in this volume, all written by experts in the field, present an array of new research on second language acquisition (SLA) that touches on several current theoretical debates in the field and present a rich range of new empirical data and a number of innovative findings. The studies address questions relating to ultimate attainment,…

A classroom-oriented therapeutic program was devised for four pragmatically impaired preschoolers who showed little spontaneous language use within the classroom. Intervention strategies focused on facilitating interactions during free play and were based on four principles for practitioners: be child-oriented; engineer the environment; use…

A study of five adult males with autism investigated which combination of input/output modalities (typed or spoken) enhanced the syntactic, semantic, and/or pragmatic performance of individuals with autism when engaging in conversations with a normal language adult. Results found that typed communications facilitated the use of longer utterances.…