
Phonological Development
Phonological Development
Elimination of Phonological Processes in Typical Development
Phonological processes are typically gone by these ages (in years ; months)
|
PHONOLOGICAL PROCESS |
EXAMPLE |
GONE BY APPROXIMATELY |
|
Pre-vocalic voicing |
pig = big |
3;0 |
|
Word-final de-voicing |
pig = pick |
3;0 |
|
Final consonant deletion |
comb = coe |
3;3 |
|
Fronting |
car = tar ship = sip |
3;6 |
|
Consonant harmony |
mine = mime kittycat = tittytat |
3;9 |
|
Weak syllable deletion |
elephant = efant potato = tato television =tevision banana = nana |
4;0 |
|
Cluster reduction |
spoon = poon train = chain clean = keen |
4;0 |
|
Gliding of liquids |
run = one leg = weg leg = yeg |
5;0 |
|
Stopping /f/ |
fish = tish |
3;0 |
|
Stopping /s/ |
soap = dope |
3;0 |
|
Stopping /v/ |
very = berry |
3;6 |
|
Stopping /z/ |
zoo = doo |
3;6 |
|
Stopping 'sh' |
shop = dop |
4;6 |
|
Stopping 'j' |
jump = dump |
4;6 |
|
Stopping 'ch' |
chair = tare |
4;6 |
|
Stopping voiceless 'th' |
thing = ting |
5;0 |
|
Stopping voiced 'th' |
them = dem |
5;0 |