Verified 100% Correct
behavioural - Skinner
nativist - Chomksy (Language Acquisition Device)
Cognitive - Piaget, relies on cognitive process
Information Processing - organization, working memory, attention, auditory discrim
Social Interactionism - Vygotsky, scaffolding
MLU - # of morphemes/# of utterances
TTR - # of different words / # of total words
normal TTR - 1:2 or 0.5
functional assessment - in natural environment, language sample in home
play assessment - solitary, parallel, associative, collaborative
criterion reference assessment - standard or goal selected by clinician, not against norms,
good for students who don't fit norms, may have own stimulus materials
dynamic assessment - test-teach-re test, Mediated Learning Experience
expansion - making it grammatically correct "doggy bark" --> "yes the doggy is barking"
extension - SLP comments and adds new info "play ball" --> "yes you're playing with a
big, red ball that bounces"
focus stimulation - SLP repeatedly models target structure to get child to use it "look at
the pigs, I see two pigs. Over here are some boys, they are drinking from cups" (plural -s)
millieu teaching - functional communication in natural interactions, waits for child to
initiate, prompts verbal response, may use traditional model "say___" if the child does not
respond, hand over object as reward
recasting - changing sentence into new form (question, passive)
cooing - 0-2 months
,vocal play, raspberries, squeals, giggles - 4-6 months
when does some marginal babbling start? "baba" - 4-6 months
when does canonical (reduplicated) babbling begin? - 6-8 months
When does variegated babbling occur? - 8-12 months, around 9 months
when will babies raise arm up for "come up" - 4-6 months
when do babies look at family members being named? - 4-6 months
when will baby respond to name? - 4-6 months
when do babies understand "no" - 7-9 months
when do they imitate intonation patterns of adult? - 9 months
how many words do babies understand between 10-12 months? - 10 words
when do babies gesture and vocalize for wants and needs - 10-12 months
how many words should babies be using by 18 months? - 50 words
how many words should children be using by 24 months - 200-300
how many words should children be using by 30 months - 200-600 (avg 425)
how many words should children be using by 36 months - 900-1000
how many words should children be using by 4-5 years - 1500-2000
how many words does a 18 month old understand? - 200
how many words does a 30 month old understand? - 2400
how many words does a 36 month old understand? - 3600
How many words does a 42 month old understand? - 4200
how many words does a 4 year old understand? - 5600
when do babies start combining 2 word phrases? - 18-24 months
when do babies use holophrastic speech? - 1-2 years
when do babies use telegraphic speech? - 2-3 years
, how many words do 3 year olds combine? - 3-4 words
when do babies refer to themselves with pronoun and name? - 1-2 years
when do babies point to 5 body parts? - 1-2 years
when do children start using wh-questions, y/n questions? - 2-3 years
when do children use I and me pronouns? - 2-3 years
when do children understand plurals, -ing, on/in? - Stage 2 (2-2.5 years)
when do children start to tell simple stories? - 2-3 years
what is average MLU of 3-4 year old - 3.0-5.0
Brown's Stage 1 - 12-24 months 1.0-2.0 MLU
Brown's Stage 2 - -28-36 mo
-MLU: 2-2.5
-ing
-plurals
-in/ on
Brown's Stage 3 - - 36-42 mo
-MLU: 2.5-3
-irregular past tense (fell)
-possessive s (Dad's)
-uncontractable copula (it is)
Brown's Stage 4 - -40-46 mo
-MLU: 3-3.75
-articles
-regular past tense -ed
-third person regular -s (he cooks)
Brown's Stage 5 - -final stage