The present dissertation extracted 17,291 questions from Aki, Ryo, and Tai and their mother's spontaneously produced speech data available in the CHILDES database (MacWhinney, 2000; Oshima-Takane & MacWhinney, 1998). The children's age ranged from 1;3 to 3;0. Their questions were coded for (1) yes/no questions that include a sentence-final…

Analysis of doctor-parent-child interactions in terms of facework and politeness theory revealed that discourse was a matter of continuous negotiation between participants. Doctors' provision of indirect and direct information to parents was best understood sequentially because they changed approaches according to parent understanding. (20…

Analysis of mothers' pragmatic language use and children's language levels during free play sessions suggested that a mother-driven, direct influence model may be inappropriate for many mother speech-child language development relationships and points to the feasibility of child- and mother-driven explanatory models for indirect relationships.…

Research and theory on language acquisition and language socialization are examined and compared. The language acquisition perspective is that the central question is how children acquire forms and patterns of language, with syntax at the core, so early and so rapidly. From the viewpoint of language socialization, the issue is not only of…

Maternal infant-directed speech in Mandarin Chinese and Turkish (two mother-child dyads each) was examined to see if cues exist in input that might assist infants' assignments of words to lexical and functional item categories. Results show that sets of distributional, phonological, and acoustic cues distinguishing lexical and functional items are…

A case study analyzed the echolalia behavior of an autistic 11-year-old boy, based on recordings made in his home and school. Focus was on the subset of immediate echolalia referred to as pure echoing. Using an approach informed by conversation analysis and descriptive phonetics, distinctions are drawn between different forms of pure echo. It is…

A collection of papers addresses a variety of issues regarding the nature and structure of sign language, gesture, and gesture systems. Articles include: "Theoretical Issues Relating Language, Gesture, and Space: An Overview" (Karen Emmorey, Judy S. Reilly); "Real, Surrogate, and Token Space: Grammatical Consequences in ASL American…