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Fletcher, Paul; Leonard, Laurence B.; Stokes, Stephanie F.; Wong, Anita M.-Y. – Journal of Speech, Language, and Hearing Research, 2005
Previous studies of verb morphology in children with specific language impairment (SLI) have been limited in the main to tense and agreement morphemes. Cantonese, which, like other Chinese languages, has no grammatical tense, presents an opportunity to investigate potential difficulties for children with SLI in other areas of verb morphology, via…
Descriptors: Verbs, Morphemes, Language Impairments, Sino Tibetan Languages

Leonard, Laurence B. – Applied Psycholinguistics, 1989
Attempts to demonstrate that specifically language-impaired (SLI) children can be viewed as normal learners faced with systematically altered input. By assuming SLI children are limited in their ability to perceive and hypothesize grammatical morphemes that are low in phonetic substance, many features of SLI children's language can be explained by…
Descriptors: Adolescents, Child Language, Grammar, Language Acquisition
Bortolini, Umberta; Arfe, Barbara; Caselli, Cristina M.; Degasperi, Luisa; Deevy, Patricia; Leonard, Laurence B. – International Journal of Language and Communication Disorders, 2006
Background: The discovery of clinical markers for specific language impairment (SLI) in children can assist in the accurate identification of children with this disorder, and in a description of the disorder's phenotype for genetic study. One challenge to this type of research is the fact that languages vary in the most salient symptoms of SLI.…
Descriptors: Language Impairments, Clinical Diagnosis, Italian, Speech Language Pathology

Leonard, Laurence B.; And Others – Applied Psycholinguistics, 1988
Analysis of the spontaneous speech of English- and Italian-speaking children with specific language impairment indicated that word-final consonants adversely influenced Italian subjects' tendency to use articles. There was no evidence of syntactic differences between the language groups. (Author/CB)
Descriptors: Child Language, Children, Comparative Analysis, Consonants

Leonard, Laurence B.; Bortolini, Umberta – Journal of Speech, Language, and Hearing Research, 1998
Twenty-five Italian-speaking children (ages 4 to 7) with specific language impairments were compared to younger control children in their use of auxiliary verbs, pronominal clitics, infinitives, present-tense verbal inflections, and articles. Differences favoring the control children were found for those morphemes that required the production of…
Descriptors: Articulation Impairments, Children, Comparative Analysis, Foreign Countries

Bortolini, Umberta; Leonard, Laurence B. – Applied Psycholinguistics, 1996
The purpose of this study was to determine whether individual differences observed in the grammatical morphology of children with specific language impairment (SLI) could be traced to another source, such as the use of weak syllables. Results show that imitations in prosody may restrict the degree of grammatical morpheme use by children with SLI.…
Descriptors: Child Language, Comparative Analysis, English, Individual Differences