Infants & Toddlers

Question 1

IDS

Answer 1

Infant Direct Speech

Question 2

overextension/overgeneralization

Answer 2

process by which children use words in an overly general manner

Question 3

underextension

Answer 3

process by which toddlers use words to refer to only a subset of possible referents

Question 4

fast mapping

Answer 4

a child’s ability to learn novel words with just a few incidental exposures
-comes after slow mapping

Question 5

extended mapping

Answer 5

a full understanding of the meaning of a word.

Question 6

receptive lexicon
expressive lexicon

Answer 6

receptive: words children comprehend
expressive: words or vocabulary that an individual uses to convey their ideas, emotions, and thoughts

Question 7

Brown’s morpheme

Answer 7

-ing is the first grammatical morpheme acquired by children

Question 8

joint attention

Answer 8

established when a child figures out how to focus on an object and then a person simultaneously

Question 9

age of mastery

Answer 9

when most children (more than 50%) produce a sound in an adult-like manner

Question 10

false belief

Answer 10

tasks assess whether children demonstrate understanding that another’s beliefs can differ from their own

Question 11

expressive language

Answer 11

language that infants produce spontaneously, not imitating another’

Question 12

babbling stages

Answer 12

1. phonation/ reflexive sounds
2. cooing stage/control of phonation
3. marginalized babbling/ expansion
4. variegated babbling
   5.jargon

Question 13

dipthongs

Answer 13

gliding vowel (advanced 9-18 mo.)