MLU and MLRs
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what is a catenative
shortening of verb + to into one word (ie, gonna)
what is an auxiliary verb?
verb that supports another verb (he IS eating)
4 steps of calculating a MLR
Step 1 - collect language sample - (ie 100 utterances) Step 2 - mark words in each utterance Step 3 - count # words in each utterance Step 4 - average
this type of utterance averaging uses words as its unit of measurement
mean length of response
what are the five types of weird MLR words
• Contractions of subject and predicate (ie it’s, we’re) = 2 words • Contraction of verb and negative (ie don’t) = 1 word • Fillers don’t count • Expressions that function as a unit (ie oh boy!) = 1 word • Repetitions or false starts only count in complete forms (ignore repeats, ie my my mom) UNLESS the word has a different intention/meaning (ie it’s big BIG)
4 steps in calculating MLU
1) collect language sample 2) mark morphemes 3) count # morphemes/utterance and total # utterances 4) average
What are three types of words/utterances that get eliminated in MLU analysis?
1) unintelligible utterances 2) repeats (unless repeated for emphasis) 3) fillers
what are the ten types of utterances whose morphemes get reduced to one in MLU analysis?
Drag Picnic 1) compound words 2) proper names 3) ritualized reduplications (ie night-night) 4) irregular past-tense verbs 5) indefinite pronouns 6) diminutive (ie doggie) 7) catenatives 8) negative contractions (unless use non-contracted version later) 9) gerunds and predicate adjectives 10) affixes (ie around would normally be a-round, but instead is one)
What is the difference between MLU and MLU-w/MLR?
Former is morphemes, latter is words
how many utterances is the minimum requires for a language sample?
50