Features of a sound that are acoustic and indicated a difference in how the sound is made. These may or may not actually matter for meaning.
What are descriptive features?
100
A type of babbling that is the same syllable repeated over and over again.
What is canonical/reduplicated babbling?
100
A type of experimental method in which the researcher presents one thing to the child until they are bored then the researcher presents something new to see if the child can tell the difference
What are habituation procedures?
100
The acquisition of words, their meanings, and the links between them
What is lexical development?
100
Words such as nouns to refer to people/objects
What are nominals?
200
Features of a sound that are perceptual and indicate a difference in meaning.
What are distinctive features?
200
Made-up words that are unique to the child, but are used consistently.
What are protowords?
200
Perception of a group of related sounds as a single phoneme
What is categorical perception?
200
Extending a word beyond the concept. Such as calling all four-legged animals "dog"
What is overextension?
200
Words that primarily have a grammatical purpose and link words
What are function words?
300
The type of phones that are contrastive in a given language.
What are phonemes?
300
Developmental processes that allow production of adult language.
What are growth of the vocal tract, nervous system maturation and experience?
300
Child-directed speech; baby talk
What is motherese?
300
Not extending a concept to an entire category. For example, only calling your pet cat "cat"
What is underextension?
300
When it comes to birth order, the child that is likely to be more referential
What is the first born?
400
Sounds that are produced with an unobstructed vocal tract.
What are vowels?
400
A type of babbling that features alternating consonants and vowels.
What is variegated/nonreduplicated babbling?
400
Systematic transformations of sounds that children use as a strategy in early language production to make the sounds easier to pronounce.
What are phonological processes?
400
A type of vocabulary that is more advanced than productive vocabulary in children and also in adults.
What is receptive vocabulary?
400
Determining what a word refers to
What is mapping?
500
The descriptive features of consonants.
What are place, manner and voicing?
500
The stage of vocal development in which children do things such as blow raspberries, push their voice to extremes and produce long, sustained vowels.
What is laughter and vocal play?
500
A type of phonological process in which children change one sound in the word to make it similar to another sound in the word. Ex. bump=mump. bug=bug
What is assimilation/consonant harmony?
500
A type of vocabulary assessment in which mothers keep diaries or fill out checklists of the words their child knows.
What is maternal-report?
500
A type of labeling in which an adult points out an object, says the word for that object and explains it