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- Mean Length of Utterance (MLU) | Meaning, Norms, and Goals
Mean length of utterance, or MLU, refers to the average length of the sentences that a child typically uses For example, when children are first learning to talk, their MLU is often 1 because they only use one word at a time: “ball?”, “mommy”, “mine”, “no”
- Handy Handout #561: Brown’s Stages
Each stage has an age range (in months), an MLU range, structure types, and examples MLU stands for “Mean Length of Utterance” – this does not always refer to number of words, but to number of morphemes, or units or meaning, in an utterance For example, “happy” contains only one unit of meaning, so it is one morpheme
- Mean Length of Utterance Levels in 6-month Intervals for Children 3 to . . .
One of the most robust indices of young children’s language acquisition is the number of words or morphemes in each of their spontaneous utterances, conventionally described as the mean length of utterance (MLU) The potential utility of this measure has long been recognized
- Mean Length of Utterance (MLU) - SLT info
the mean length of utterance is 17 4 = 4 25 What we need to do now is determine the age at which the majority of children would present with a mean length of utterance equivalent to the one our
- Language Sampling – Language Disorders In School-Age Children And . . .
For reliable measures of mean length of utterance, clausal density, and percentage of maze words, 10-minute samples may be needed, which are still shorter than the 15-30 minutes previously thought to be necessary (Wilder Redmond, 2022)
- Journal of Speech, Language, and Hearing Research
Mean length of utterance has been a documented measure of language development for almost a century, but a recent study has upgraded the age-performance database available for everyone interested in child development
- A Sweet Introduction to Language Sampling
Moving Beyond Mean Length of Utterance: Analyzing Language Samples to Identify Intervention Targets Perspectives ASHA SIGs, 3 (SIG 1), 5–22 doi: 10 1044 persp3 SIG1 5 We’re really talking about probability If 80% of kids use a language feature within 50 utterances, we can safely assume more than 80% have that feature
- Measurement Properties of Mean Length of Utterance in School-Age . . .
Mean length of utterance (MLU) is one of the most widely reported measures of syntactic development in the developmental literature, but its responsiveness in young school-age children's language has been questioned, and it has been shown to correlate with nonsyntactic measures
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