Week 9: Severity of Impairment

Question 1

what contributes to our judgement of intelligibility?

Answer 1

1. number of sounds produced correctly
2. accuracy of production
3. producing sounds in different word positions
4. producing simple AND complex sounds and sound combinations
5. producing those sounds in utterances of increasing length

Question 2

when considering intelligibility, consider

Answer 2

subjective measurement: your perception

objective measurement: PCC

Question 3

what to consider regarding type and extent of error patterns

Answer 3

presence of developmental errors
presence of atypical errors
preservation of phonemic contrasts
number of errors

Question 4

severity levels in PCC

Answer 4

• mild = >85%
• mild to moderate = 65-85%
• moderate to severe = 50-65%
• severe = <50%

Question 5

severity judgements

Answer 5

comparison to developmental norms
error consistency
comparison between formal and informal testing
overall impact on comm skills

Question 6

also consider

Answer 6

chronological age
frequency of sounds in English
high impact sounds
results from stimulability testing