Age-Relation, Reliability and Grammatical Validity of Measures of Utterance Length.

Rondal, Jean A.; And Others

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Peer reviewed

ERIC Number: EJ361160

Record Type: Journal

Publication Date: 1987

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Age-Relation, Reliability and Grammatical Validity of Measures of Utterance Length.

Rondal, Jean A.; And Others

Journal of Child Language, v14 n3 p433-46 Oct 1987

Analysis of the free speech of one- to three-year-olds (N=21) found that measures of mean length of utterance (MLU) are positively related to age, are reliable, and can predict grammatical development, although there are identifiable points in the developmental evolution of MLU and MLU-like indices beyond which their reliability and validity have serious problems. (Author/CB)

Descriptors: Age Differences, Child Development, Child Language, Cognitive Development, Correlation, Language Acquisition, Language Patterns, Language Tests, Speech Acts, Test Reliability, Test Validity, Young Children

Publication Type: Journal Articles; Reports - Research

Education Level: N/A

Audience: N/A

Language: English

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