language development Flashcards
what is a morpheme
smallest meaningful unit of a language
what is a base, root, or free morpheme
words with meaning that cannot be broken down into smaller parts
what are bound morphemes
cannot convey meaning by themselves
what are derivational morphemes
prefixes and suffixes that change the whole class of the word ex. Happy + ily change word from adjective to adverb
what are inflectional morphems
suffixes only that change the state or increase such as plurals
what are passive sentences
where subject receives the action ex the cat was petted
what are active sentences
where subject performs the action ex. He patted the cat
what is a clause
a subject and a predicate which contains a verb that states something about the subject
what is a compound sentence
2 or more independent clauses joined by a comma and conjunction or by a semicolon
what is an independent or main clause
has a subject and predicate and can stand alone
what is a complex sentence
contains an independent clause or a dependent
ex. I will drive my car to Reno (Ind) if I have enough gas (dep)
what is fast mapping
ability to learn a new word after a few exposures
what is the age range for variegated babbling
9 months
when does object permanence emerge
7-9 months
what is canonical babbling
repeated syllables of consonant and vowels ma ma ma
what is perlocutionary behavior
the signals have an unintended effect on the listener. They lack intent
what is illocutionary behavior
signals that carry out some action such as pointing and laughing
what is locutionary stage
start of word use
what is the holophrastic stage
when child uses one word phrase to prepresent a complex idea. Between 12-18 months
how many words by 18 months
50
they begin to put 2 words together
how many words by2
200-300
how many words by 2.5
2.400
how may words by 3
3600
what morphemes are mastered between 19 to 33 months
- present progressive ing
- preposition in and on
- regular plural
what morphemes are mastered between 25-46 months
- irregular past tense
- possessive s daddy’s
- uncontractible copula Here it is
what morphemes are mastered between 28-46 months
- articles a and the
- regular past tense
- regular third person s Daddy cooks
what morphemes are mastered between 28-50 months
- irregular third person does has
- uncontractible auxiliary she was working
- contractible copula he’s nice
- contractile auxiliary Mom’s coming
when does a child use complex sentences
3-4
what plays an important role in language to a behavioral theroist
environment and social interactions