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Related Experiment Videos

Grammaticality judgements of an extended optional infinitive grammar: evidence from English-speaking children with

M L Rice1, K Wexler, S M Redmond

  • 1Child Language Doctoral Program, University of Kansas, Lawrence 66045, USA. mabel@ukans.edu

Journal of Speech, Language, and Hearing Research : JSLHR
|August 18, 1999
PubMed
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Children with specific language impairment (SLI) demonstrate grammatical judgment abilities that align with their production skills. They can identify errors they typically avoid but accept errors they commonly produce, supporting underlying grammatical representation theories.

Area of Science:

  • Linguistics
  • Developmental Psychology
  • Child Language Acquisition

Background:

  • Specific Language Impairment (SLI) presents challenges in grammatical development.
  • Previous research (Rice et al., 1998) examined SLI grammatical morpheme production.
  • Competing theories exist regarding the nature of grammatical limitations in SLI.

Purpose of the Study:

  • To evaluate competing accounts of grammatical limitations in children with SLI.
  • To introduce and utilize a novel comprehension measure assessing well-formedness judgments.
  • To conduct the first longitudinal study on grammaticality judgments in children with SLI.

Main Methods:

  • Longitudinal data collection over 2 years with 5 measurement points.
  • Involved 3 groups of children: those with SLI and two control groups (matched for mean length of utterance and age).

Related Experiment Videos

  • Utilized a grammaticality judgment task focusing on morphosyntactic accuracy.

    • Main Results:

    • Children with SLI exhibited grammatical judgments that paralleled their production capabilities.
    • They could correctly reject morphosyntactic errors unlikely to be produced.
    • They tended to accept morphosyntactic errors that were characteristic of their own productions.

    Conclusions:

    • Findings support the Extended Optional Infinitive (EOI) account, emphasizing underlying grammatical representations.
    • Results do not support theories positing input processing deficits or production constraints as the primary cause of SLI grammatical limitations.