part 2: evaluating speech sound disorders Flashcards
when the final consonant in a word is left off
toad; toe
beep; bee
Final Consonant Deletion
when a weak syllable in a word is deleted; usually at the beginning of the word
banana; nana
potato; teto
weak syllable deletion
consonant cluster is reduced to a single consonant
stop; top
snow; no
consonant cluster reduction
Cluster remains intact but one sound will be changed to a sound that is easier for the child
slide; swide
ask; ast
consonant cluster simplification
when a sound is added between 2 consonants, typically the upside down e
black; bulack
sweet; suweet
epenthesis
reversal of 2 segments in a word (same sounds in a different order)
basket; bakset
metathesis
when a consonant sound starts to sound like another sound in the word
duck; guck
coat; coak
assimilation
when velar or palatal sounds like /k/, /g/ and sh, are sibstituted with alveolar sounds like, /t/, /d/, and /s/
coke; tote
go; do
fronting
fricatives (like /f/ or /s/) and/or affricates (ch, j) are replaced by stops (/p/ or /d/)
sun; tun
dump; jum[
stopping
liquids /l/ and /r/ turn to /w/ or /y/
yello; yeyo
run; wun
gliding
adding a vowel (typically /o/) to the end of a word
car; cao
table; tabo
vocalizations (vowelization)
affricates (ch & j) are replaced by fricatives (sound made by air that comes through a narrow space; f,v,sh,s,z,th) or stops like sh or /d/
chips; ship
deaffrication
voiceless consonants are replaced by their voice counterpart
comb; gomb
tom; dom
prevocalic voicing
voiced consonants in the final position are produced as voiceless
dog; dok
bed; bet
devoicing of final consonants
when a nasal consonant like /m/ or /n/ changes to a nonnasal consonant like /b/ or /d/
nose; doze
denasalization