Table 1.

Mean error rates in the test blocks by error subtype and syllable type.

Syllable Type
Sequencing Errors	Practiced CCVCC	Practiced CC	Practiced CVC	Novel CCVCC
Phoneme omission	34.3	26.6	28.9	31.5
Phoneme substitution	2.3	8.8	7.4	7.7
Serial ordering error	1.1	3.7	1.1	4.0
Gross disfluency	0.3	2.0	1.1	1.1
Unrecognizable	0.0	0.9	1.4	0.3
Phoneme insertion	0.0	0.3	0.3	0.6
Non-Sequencing Errors	Practiced CCVCC	Practiced CC	Practiced CVC	Novel CCVCC
Vocoid epenthesis	20.2	21.0	29.8	23.3
Voicing assimilation	2.6	1.1	2.8	1.4