Reports on a study which explored the intonational differences between constant plus variable utterances and variable plus variable utterances, and which sought to use intonation to resolve the lexical additive vs syntactic representation of beginning productions. (AM)

Describes a model that allows children to control the complexity of the speech they hear within conversations on a moment-to-moment basis. Experimental and observational data clearly delineate the reciprocal nature of how speakers "fine-tune" their speech to listeners. The effects of child-directed speech on language development are discussed.…

Paper presented at Indiana University, Bloomington, Indiana, on December 2, 1970. (DS)

Attempts to demonstrate that a complete description of elliptical coordinations can be obtained only if the uses of elliptical and nonelliptical coordinations are investigated also. Future research on elliptical coordinations should be directed towards more full-scale analyses of the genres discussed here and other genres. (31 references) (CK)