Two experiments examined the role of common ground in the production and on-line interpretation of wh-questions such as "What's above the cow with shoes?" Experiment 1 examined unscripted conversation, and found that speakers consistently use wh-questions to inquire about information known only to the addressee. Addressees were sensitive to this…

We examine the referential choices (pronouns/zeros vs. names/descriptions) made during a narrative by high-functioning children and adolescents with autism and a well-matched typically developing control group. The process of choosing appropriate referring expressions has been proposed to depend on two areas of cognitive functioning: (a) judging…

Examined the spontaneous speech of four children and their parents for use of determiners with NP-type nouns and count nouns. Found that the parents made a clear distinction between the two kinds of nouns, omitting determiners with the NP-type nouns but not with the count nouns. The children all made the same distinction by four years of age. (HTH)

Examined large corpus of spontaneous English conversation for pronunciation of "the" and speech patterns immediately following. Found that speakers use "thiy" (versus "thuh") pronunciation to signal immediate suspension of speech to deal with a problem in production; problems were at many levels of production, including articulation, word…