This report is a cross-linguistic study that compares the sequence of emergence of semantic relations in English with the sequence of emergence of these relations in the acquisition of American Sign Language. American Sign Language (ASL) differs from English in modality (it is a visual-gesture language rather than an auditory-vocal one) and in the…

Down Syndrome children exhibit language delays, particularly in expressive abilities, more severe than would be anticipated from their cognitive level alone. This research project sought to develop a procedure for introducing total communication into the home environment of prelinguistic Down Syndrome infants and for comparing the relative…

The Verbotonal method of teaching the deaf (that is, training the deaf to make maximum use of their limited hearing) is considered in relation to the effect it has on verbal communication. Results from a sample of 50 nursery school students indicate that (1) the speech of the children taught by Verbotonal improved significantly more than did the…

Papers presented at a 1977 symposium on language acquisition held at the University of Wisconsin/Milwaukee are included. Contents are as follows: "Assumptions, Methods and Goals in Language Acquisition Research" (Sheldon); "The Mother as LAD: Interaction between Order and Frequency of Parental Input and Child Production"…