Purpose: This review article summarizes programmatic research on sentence diversity in toddlers developing language typically and explores developmental patterns of sentence diversity in toddlers at risk for specific language impairment. Method: The first half of this review article presents a sentence-focused approach to language assessment and…

SV sentences with unaccusative verbs like "The leaf fell" involve movement from object to subject position. This line of studies tested whether young children can produce this movement and whether they represent SV sentences with unaccusatives as derived by movement. In Hebrew, unaccusatives appear in both SV and VS orders. This optionality allows…

To test hypothesis that young children may be open to learning non-SVO structures with novel transitive verbs, 12 children in each of three age groups (2-year olds, 3-year olds, and 4-year olds) were taught novel verbs, one in each of three sentence positions: medial, final, and initial. Results suggest English-speaking children's acquisition of a…

An analysis of one theory of the acquisition of head movement by children is presented, using longitudinal data from the Mayan language, K'iche'. This theory assumes that children would just require positive evidence of head movement in the input language to instantiate the constructions of their own grammar. The Incorporation Theory addresses the…

A study investigated Japanese children's acquisition of the syntactical subcategorization of action verbs. Aspects of caregiver language that provide children with information about the characteristics of an action verb are detailed, and the utterances of four Japanese toddlers are analyzed for their usage characteristics. Caregiver sentences are…

A group of studies on child language development between ages 2 and 3 is presented. The studies, originally published between 1970 and 1989, are the result of a longitudinal research program. An introductory section describes the contents, offers background information on several different perspectives (developmental, learnability, cross-cultural)…

It is argued that the correct placement of sentential negation with respect to model auxiliaries in Swedish is an example of delayed acquisition resulting from a parametric preference in Universal Grammar. A syntactic analysis is proposed for four recognized stages in the acquisition of negative word order in Swedish. (Contains 41 references.)…

A cross-linguistic comparison of syntax acquisition patterns examined preferential subject omission in the naturally-occurring speech of three Japanese toddlers from the Tokyo area and compared the findings to data on English acquisition. Results indicate that acquisition patterns of Japanese do not mirror those of English with regard to this…