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20 Cards in this Set
- Front
- Back
What is a Grammatical Morpheme?
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A morpheme that adds to the grammatical structure of the word or phrase, including the 14 free and bound morphemes Brown studied
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Early Stage I
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Age: 19-22 months
Grammatical Morpheme: Occasional Use |
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Late Stage I
Early Stage II |
Age: 23-26 months
Grammatical Morpheme: Occasional Use |
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Stage II
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Age: 27-30
Grammatical Morpheme: 1. present progressive verb -ing 2. regular plural -s 3. preposition "in" |
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Stage III
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Age: 31-34 months
Grammatical Morpheme: 1. preposition "on" 2. possessive -s |
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Early Stage IV
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Age: 35-38 months
Grammatical Morpheme: 1. preposition "on" 2. possessive -s |
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Late Stage IV
Early Stage V |
Age: 39-42 months
Grammatical Morpheme: No others mastered at this age |
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Late Stage V
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Age: 43-46 months:
Grammatical Morpheme: 6. regular past tense of verb -ed 7. irregular past tense of verb 8. regular 3rd person singular present tense -s 9.definite & indefinite articles 10. contractible copula |
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Stage V+
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Age: 47-50 months
Grammatical Morpheme: 11. contractible auxiliary 12. uncontractible copula 13. uncontractible auxiliary 14. irregular 3rd person singular |
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Stage V++
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Age: 51-67 months
All Grammatical Morphemes aquired |
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Early Stage I
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Age: 19-22 months
MLU: 1.01-1.49 |
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Late Stage I
Early Stage II |
Age: 23-26 months
MLU: 1.50-1.99 |
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Stage II
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Age: 27-30 months
MLU: 2.00-2.49 |
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Stage III
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Age: 31-34 months
MLU: 2.50- 2.99 |
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Early Stage IV
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Age: 35-38 months
MLU: 3.00-3.49 |
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Late Stage IV
Early Stage V |
Age: 39-42 months
MLU: 3.50-3.99 |
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Late Stage V
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Age: 43-46 months
MLU: 4.00-4.49 |
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Stage V+
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Age: 47-50 months
MLU: 4.50-4.99 |
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Stage V++
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Age: 51-67 months
MLU: 5.00-5.99 |
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What is MLU?
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MLU stands for Mean Length of Utterance which is the average number of morphemes per utterance
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