Chapter 6 Part 3 Flashcards
Calculated based on the number of morphemes in an utterance
MLU
How many morphemes are in the following sentence: The girls walked their dogs to the park
11
How many morphemes are in the following sentence: My brothers were sitting on two benches
10
MLU = __________
Total utterances divided by the number of phrases
How many morphemes in “Mr. Bob”?
1; children think of it as 1 piece of information
Predisposed to word learning; innate biases for word learning
Lexical principles
Using social cues to learn new words
Social pragmatic framework
Words that have a referent
Reference
Words that label entire categories
Extendability
Words represent objects, whole objects
Object scope
What 3 things make up a Tier 1 lexical principle?
Reference, extendibility, object scope
Words that are used in their community
Conventionality
Choose word in the same category, rather than other features
Categorical scope
Assign word to object without name
Novel name-nameless category
What 3 things make up the tier 2 lexical principle?
Conventionality, categorical scope, novel name-nameless category
Rapid learning of new words, associated with the growth spurt at age 2, high frequency words are mapped more easily, words in categories learned more easily; they hear the word, retrieve it from stored memory and use word comprehension
Fast-mapping
Receptive lexicon by 24 months is ___ words
500
Receptive lexicon by 36 months is ___ words
900
Expressive lexicon at 18 - 20 months is ___ words
50
Vocabulary burst is at ___ word mark
50
Expressive lexicon by 24 months is ___ words
200
Expressive lexicon by 36 months is ____ words
500
