Studies examining productive syntax have used varying elicitation methods and have tended to focus on either young children or adolescents/adults, so we lack an account of syntactic development throughout middle childhood. We describe here the results of an analysis of clause complexity in narratives produced by 354 speakers aged from four years…

Previous studies on children's pragmatic abilities have tended to focus on just one pragmatic phenomenon and one expressive means at a time, mainly concentrating on comprehension, and overlooking the production side. We assessed both comprehension and production in relation to several pragmatic phenomena (simple and complex standard…

Videotapes of 45 subjects at 1;1 and 1;8 showed preexisting differences between mothers of earlier and later talkers as early as 1 year, 1 month. When the sample was divided according to stylistic preference at 1;8 (referential or expressive), associations between maternal language at 1;1 and mean length of utterance at 1;8 emerged only for the…