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    Verb-focused language intervention for late talkers: a single-subject experimental design

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    Author
    Moyle, Charmain Larnay
    Date
    2014
    Permanent Link
    http://hdl.handle.net/10092/10061
    Thesis Discipline
    Speech and Language Sciences
    Degree Grantor
    University of Canterbury
    Degree Level
    Masters
    Degree Name
    Master of Science

    Purpose: The aim of this study was to examine whether a verb-focused language intervention was effective in increasing children’s verb-vocabulary. In particular, this study investigated whether the treatment resulted in changes to children’s production of target words compared to control words for children who are late talkers.

    Method: The study utilised a single-subject, multiple baseline across behaviours design. Four children, aged 26-to-39 months who exhibited delayed expressive language development participated in the study. At the beginning of the study, all children had poor expressive language performance indicated by a mean length of utterance two standard deviations below the mean expected for their age and limited vocabulary measured by the New Zealand Communicative Development Inventory: Words and Sentences. New verb-vocabulary items were randomly assigned to intervention and untreated control conditions and probed at regular intervals over a period of eight weeks.

    Results: All the participants showed increased use of the target verbs compared to the control verbs during the intervention and post-intervention phase.

    Conclusion: The findings suggest that a verb-focused language intervention was effective in increasing the verb-vocabulary of late talkers. Further research is warranted to determine whether similar results can be found with a larger cohort and whether these gains are sustained over time.

    Subjects
    late talker
     
    language
     
    verb
     
    focused language stimulation
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    • Science: Theses and Dissertations [3292]
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