TITLE

Differentiating Cantonese-Speaking Preschool Children With and Without SLI Using MLU and Lexical Diversity (D)

AUTHOR(S)
Wong, Anita M.-Y.; Klee, Thomas; Stokes, Stephanie F.; Fletcher, Paul; Leonard, Laurence B.
PUB. DATE
June 2010
SOURCE
Journal of Speech, Language & Hearing Research;Jun2010, Vol. 53 Issue 3, p794
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Purpose: In this study, the authors examined the diagnostic accuracy of a composite clinical assessment measure based on mean length of utterance (MLU), lexical diversity (D), and age (Klee, Stokes, Wong, Fletcher, & Gavin, 2004) in a second, independent sample of 4-year-old Cantonese-speaking children with and without specific language impairment (SLI). Method: The composite measure was calculated from play-based, conversational language samples of 15 children with SLI and 14 children without SLI. Scores were dichotomized and compared to diagnostic outcomes using a reference standard based on clinical judgment supported by test scores. Results: Eleven of 15 children with SLI and 8 of 14 children with typical language skills were correctly classified by the dichotomized composite measure. The measure's sensitivity in this second sample was 73.3% (95% confidence interval [CI] 48%-89%); specificity was 57.1% (95% CI 33%-79%); positive likelihood ratio was 1.71 (95% CI 0.87-3.37); and negative likelihood ratio was 0.47 (95% CI 0.18-1.21). Conclusions: The diagnostic accuracy of the composite measure was substantially lower than in the original study, suggesting that it is unlikely to be informative for clinical use in its present form. The value of replication studies is discussed.
ACCESSION #
51406281

 

Related Articles

  • The Perception of Lexical Tone Contrasts in Cantonese Children With and Without Specific Language Impairment (SLI). Wong, Anita M.-Y.; Ciocca, Valter; Sun Yung // Journal of Speech, Language & Hearing Research;Dec2009, Vol. 52 Issue 6, p1493 

    Purpose: This study examined the perception of fundamental frequency (f0) patterns by Cantonese children with and without specific language impairment (SLI). Method: Participants were 14 five-year-old children with SLI, and 14 age-matched (AM) and 13 four-year-old vocabulary-matched (VM)...

  • Utterance Length and Lexical Diversity in Cantonese-Speaking Children With and Without Specific Language Impairment. Klee, Thomas; Stokes, Stephanie F.; Wong, Anita M.-Y.; Fletcher, Paul; Gavin, William J. // Journal of Speech, Language & Hearing Research;Dec2004, Vol. 47 Issue 6, p1396 

    Two studies of children's conversational language abilities are reported. In the first, mean length of utterance (MLU) and lexical diversity (D) were examined in a group of typically developing Cantonese-speaking children in Hong Kong. Regression analyses indicated a significant linear...

  • The Expression of Aspect in Cantonese-Speaking Children With Specific Language Impairment. Fletcher, Paul; Leonard, Laurence B.; Stokes, Stephanie F.; Wong, Anita M.-Y. // Journal of Speech, Language & Hearing Research;Jun2005, Vol. 48 Issue 3, p621 

    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...

  • Questions Without Movement: A Study of Cantonese-Speaking Children With and Without Specific Language Impairment. Wong, Anita M.-Y.; Leonard, Laurence B.; Fletcher, Paul; Stokes, Stephanie F. // Journal of Speech, Language & Hearing Research;Dec2004, Vol. 47 Issue 6, p1440 

    English-speaking children with specific language impairment (SLI) appear to have special difficulty in the use of who-object questions (e.g., Who is the girl chasing?). It has been argued that the problems related to grammatical movement may be responsible for this difficulty. However, it is...

  • Investigating Mechanisms of Suppression in Preschool Children With Specific Language Impairment. Spaulding, Tammie J. // Journal of Speech, Language & Hearing Research;Jun2010, Vol. 53 Issue 3, p725 

    Purpose: This study investigated 2 suppression mechanisms—(a) resistance to distracter interference and (b) inhibition of a prepotent response—in preschool children with specific language impairment (SLI) and their typically developing peers. Method: Twenty-two preschool children...

  • Identification of Clinical Markers of Specific Language Impairment in Adults. Poll, Gerard H.; Betz, Stacy K.; Miller, Carol A. // Journal of Speech, Language & Hearing Research;Apr2010, Vol. 53 Issue 2, p414 

    Purpose: To investigate the usefulness of 3 tasks known to be effective diagnostic clinical markers of specific language impairment (SLI) in children: (a) nonword repetition, (b) sentence repetition, and (c) grammaticality judgments of finiteness marking. Method: Two groups of young adults, 13...

  • Measuring Preschool Attainment of Print-Concept Knowledge: A Study of Typical and At-Risk 3- to 5-Year-Old Children Using Item Response Theory. Justice, Laura M.; Bowles, Ryan P.; Skibbe, Lori E. // Language, Speech & Hearing Services in Schools;Jul2006, Vol. 37 Issue 3, p224 

    Purpose: This research determined the psychometric quality of a criterion-referenced measure that was thought to measure preschoolers' print-concept knowledge (PCK). Method: This measure, titled the Preschool Word and Print Awareness (PWPA), was examined using the partial credit model (PCM) to...

  • A method for assessing the use of first person verb forms by preschool-aged children with SLI. Polite, Elgustus J.; Leonard, Laurence B. // Child Language Teaching & Therapy;Oct2007, Vol. 23 Issue 3, p353 

    Children with specific language impairment (SLI) often have extraordinary difficulty in the use of tense and agreement morphemes. Because spontaneous speech samples may not provide a sufficient number of obligatory contexts for these morphemes, structured probe items are often employed. However,...

  • Emergence of Expressive Grammatical Morphology Following Discrete Trial Training & Incidental Teaching: A Case Study. Treasa, Maria Grace; Chengappa, Shyamala K. // Language in India;Jan2014, Vol. 14 Issue 1, p843 

    This article discusses a study which examined the effectiveness of discrete trial training (DTT) and incidental teaching on the emergence of expressive grammatical morphology in Malayalam-speaking children with autism spectrum disorder (ASD) and specific language impairment (SLI). Findings...

Share

Read the Article

Courtesy of VIRGINIA BEACH PUBLIC LIBRARY AND SYSTEM

Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics