3 browns stages. brown stages of language development

language developmet

2. Brown’s stages of
Language Development
TAYYABA USMAN
Lecturer ; University of Lahore
BS-SLP (University of child health sciences, children’s hospital-UHS)
MS-SLP ( Riphah International university )
M.A-SPL.EDU (AIOU)

4. Mean length of utterance
Mean length of
utterance(orMLU) is a measure
of linguistic productivity in
children.

5. Itiscalculatedbycollecting100
utterancesspokenbyachildand
dividingthenumberofmorphemesby
thenumberofutterances.

6. Morpheme:
Ameaningfulmorphologicalunitofa
languagethatcannotbefurther
divided

7. Example
(e.g. in, come, -ing,
formingincoming).

8. Stage 1
•Age Limit:15 to 30 months
•MLU :1.75
•Two Word Stage after 50 to 60
single word Utterances

9. Example:
Daddy car, give ball, water hot.

10. No unbound morphemes.
Syntax in the form of Word Order
Pronouns. I, IT
100-250 words across 2 pragmatic
functions

11. Stage 2
28 to 36 months
MLU 2.25
Example:
Bound and Unbound morphemes
(inflections)

12. Present Progressive
•Falling
•Going
•Eating
•Making ( ‘ing’ ending on words)

13. Prepositions
Regular Plurals
Cars, Toys, etc
Irregular Past Tense
He ate.
Pronouns
My, me, mine, you, your, she, he,

14. Asks,whatandwhere.
Answersomequestions.
250-50wordacrosspragmatic
functions

16. Stage 3
36 to 42 months
MLU 2.75
Example:
•Possessive-mommy’s hat
•Negations-not a ball

17. •Prepositions
•Nounand
•Adverb

18. Phrases-S-V-O
Daveeatsbanana
Pronouns-
they,his,her,them
Phraseshavemultiplepragmatic
functions.

19. DeclarationImperative,interrogative
andnegative.
800-1500wordsacrosspragmatic
functions

20. Copula Verbs
She was nice
Articles-a, the
Adjectives & Adverbs
She has a blue hat. He runs quickly

21. Stage 4
42-46 months MLU 3.50
Example:
•Articles
e.g. The book

22. Regular Past Tense
e.g. She jumped
Auxiliary verbs
e.g. She is Coming?

23. Clauses that include Conjunctions
e.g.(after, although, before, until, etc.)
Asks many ‘wh’ questions

25. Responds to others comments and
describes events in multiple utterance
responses.
e.g.
Tell me what happened at school?
I played with my friends during
recess.

27. Stage5
•46 to 53 months
•MLU 4.00
Example:
•Third Person Irregular
e.g. He does

28. Copula contractions
e.g. They’re here
Auxiliary Contractions-
e.g. Tommy’s going to the movies.

29. Compound Sentences that are joined.
e.g. We went to school after we ate
breakfast.
900-2000 Words