Written Language Ability in Mandarin-Speaking Children with Cochlear Implants

Table 6

Criteria of Categorical Auditory Performance and Speech Intelligibility Rating scales.

Rating	Criteria of Categorical Auditory Performance	Criteria of Speech Intelligibility Rating
7	Use of telephone with known listener	n/a
6	Understanding of conversation without lip-reading	n/a
5	Understanding of common phrases without lip-reading	Connected speech is intelligible to all listeners. Child is understood easily in everyday contexts
4	Discrimination of some speech sounds without lip-reading	Connected speech is intelligible to a listener who has a little experience of a deaf person’s speech
3	Identification of environmental sounds	Connected speech is intelligible to a listener who concentrates and lip-reads
2	Response to speech sounds	Connected speech is unintelligible. Intelligible speech is developing in single words when context and lip-reading cues are available
1	Awareness of environmental sounds	Connected speech is unintelligible. Prerecognizable words in spoken language, primary mode of communication may be manual
0	No awareness of environmental sounds	n/a

n/a = not applicable.