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Burrows, Lauren; Goldstein, Brian A. – Clinical Linguistics & Phonetics, 2010
Phonological acquisition traditionally has been measured using constructs that focus on segments rather than the whole words. Findings from recent research have suggested whole-word productions be evaluated using measures such as phonological mean length of utterance (pMLU) and the proportion of whole-word proximity (PWP). These measures have been…
Descriptors: Phonemes, Monolingualism, Bilingualism, English

Johnston, Judith R.; Kamhi, Alan G. – Merrill-Palmer Quarterly, 1984
Investigated the hypotheses that language-impaired children produce fewer logical propositions per utterance and evidence less control of formal syntactic markers. Matched for mean length of utterance, language samples from 10 language-impaired children approximately five years of age and 10 normal children about three years of age were analyzed.…
Descriptors: Comparative Analysis, Grammar, Language Handicaps, Language Research
Hemmeter, Mary Louise; And Others – 1986
The adequacy of mean length of utterance (MLU) as a criterion for matching retarded and normally developing children was investigated. Six normally developing and four retarded subjects were matched on MLU. Although matched on MLU, these two groups of children demonstrated both quantitative and qualitative differences in their use of language.…
Descriptors: Children, Comparative Testing, Criteria, Language Acquisition

Meline, Timothy J.; Meline, Nannette C. – Perceptual and Motor Skills, 1981
The variation of mean length of utterance, a linguistic measure, is explored among 50 normally developing three-, four-, and five-year-olds. It is suggested that mean length of utterance, as a measure of language status, is limited in differentiating language-impaired from normally developing children. (Author/SJL)
Descriptors: Age Differences, Child Language, Diagnostic Tests, Disability Identification