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Mean length of utterance (or MLU) is a measure of linguistic productivity in children. It is traditionally calculated by collecting 100 utterances spoken by a child and dividing the number of morphemes by the number of utterances.
Utterance being spoken. In spoken language analysis, an utterance is a continuous piece of speech, by one person, before or after which there is silence on the part of the person. [1] In the case of oral languages, it is generally, but not always, bounded by silence. Utterances do not exist in written language; only their representations do.
In total there are 17 morphemes in this data set. In order to find the MLU, we divide the total number of morphemes (17) by the total number of utterances (4). In this particular data set, the mean length of utterance is 17/4 = 4.25. [34]
Speakers vary their speed of speaking according to contextual and physical factors. A typical speaking rate for English is 4 syllables per second, [5] but in different emotional or social contexts the rate may vary, one study reporting a range between 3.3 and 5.9 syl/sec, [6] Another study found significant differences in speaking rate between story-telling and taking part in an interview.
Prosodic units occur at a hierarchy of levels, from the syllable, the metrical foot and phonological word to the intonational unit (IU) and to a complete utterance. [1] However, the term is often restricted to intermediate levels which do not have a dedicated terminology.
In order to clarify this observation, Brown also conducted a "Usage Test" in which he used nonsense words in specific grammatical contexts and asked subjects what they understood the words to mean. Younger children answered in a similar fashion to the word association test, making thematic assumptions of the nonsense words, while adults again ...
Like many others who found themselves working remotely, Linette Miller, 59, noticed that she had become sedentary. “It suddenly dawned on me how little activity I get every day,” Miller, from ...
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