-
2 months
infants coo, making pleasant vowel sounds -
4 months
infants observe with interest as the caregiver plays turn-taking games, such as pat-a-cake and peekaboo -
6 months
infants babble, adding consonants to their cooing sounds and repeating syllables. 7months, babbling starts to include many sounds of spoken
infants begin to comprehend a fee commonly heard words -
Period: to
8 to 12 months
infants become more accurate at establishing joint attention with the caregiver, who often verbally labels what the baby is looking at they actively participate in turn-taking games, trading roles with caregiver they use preverbal gestures, such as showing and pointing, to influence others' goals and behavior and to convey information -
12 months
babbling includes sound and intonation patterns of the childs language community.
Speed and accuracy of word comprehension increase rapidly
Toddlers speak their first word -
Period: to
18 -24 months
spoken vocabulary expands forom 50 - 250 words
toddler combines to words -
Period: to
2yr - 5 yrs
toddler begins to learn more and more vocabulary
takes more action after words, like running and playing
communicate more with caregiver and makes friends -
Period: to
2yr - 3 yrs
expressive vocabulary increases in this 1 yr margin about 300 words
putting two words sentence together such as "more water" -
Period: to
6yrs - 12yrs
baby isnt a baby, toddler isnt a toddlers
caregiver gives more freedom 6 yr old avg expressive vocab is at 2600 words and receptive vocab at 20k - 24k by time 12yrs of age comes around average 12 year old should gain understanding of 50k receptive vocabulary