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Correct Answer: mlu.
the correct answer to the question of which method would be used to indicate an understanding of linguistic structure by calculating morphemes used in a 50 to 100 word sample is mlu, which stands for mean length of utterance.
mlu stands for mean length of utterance, a measure widely used in the field of language development to assess the complexity of children's linguistic capabilities. mlu is particularly useful for quantifying the developmental progress of language in young children, or in individuals who are learning a new language. it provides a numerical value that represents the average length of utterances, calculated in morphemes, within a given language sample.
to calculate mlu, a sample of spoken language (typically ranging from 50 to 100 words) is transcribed and analyzed. each utterance in the sample is broken down into its constituent morphemes. a morpheme is the smallest grammatical unit in a language; for example, in the word "cats," "cat" is one morpheme, and "s" (indicating plural) is another morpheme, making the total count for this word two morphemes.
the mlu is then calculated by dividing the total number of morphemes by the total number of utterances in the sample. this calculation gives an average that represents the complexity of the speech output. for instance, if a 100-word sample contains 200 morphemes divided over 50 utterances, the mlu would be 200/50 = 4 morphemes per utterance.
this measure helps researchers and clinicians determine not just how many words a person uses, but also how complex their expressions are in terms of grammatical construction. higher mlu values typically indicate more advanced linguistic skills, reflecting the use of longer, more complex utterances.
the other acronyms provided, such as iep (individualized education program), mls (multiple listing service), and asl (american sign language), are not relevant to the context of calculating linguistic structure through morpheme analysis in a language sample. iep is a document and a set of services provided for students with special needs, mls commonly refers to a real estate service that compiles properties in listings, and asl is a language in itself, specifically the sign language used by the american deaf community. none of these are methodologies or tools for analyzing morpheme usage in spoken or written language samples.
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