| Type of Errors |
1 MPO |
3 MPO |
4 MPO |
5 MPO |
6.5 MPO |
8MPO |
| Intrusive/inaccurate production of a word |
21% |
6% |
5% |
4% |
7% |
6% |
| Intrusive/inaccurate production of a phoneme |
13% |
16% |
21% |
18% |
20% |
15% |
| Intrusive/inaccurate production of a syllable |
27% |
18% |
21% |
4% |
18% |
14% |
| Prolongation of vowel or consonant |
17% |
31% |
14% |
16% |
18% |
11% |
| Partial voicing or devoicing |
1% |
3% |
2% |
|
|
|
| Excessive Aspiration |
|
|
2% |
|
2% |
1% |
| Audible Groping |
8% |
10% |
11% |
43% |
12% |
36% |
| Vowel error or distortion |
1% |
3% |
7% |
2% |
7% |
3% |
| Reduced cluster/blend |
|
|
3% |
|
|
|
| Substitution |
1% |
|
5% |
|
2% |
|
| Insertion of a phoneme |
1% |
|
3% |
|
|
|
| Errors of prosody/stress |
|
3% |
2% |
4% |
2% |
|
| Repetition of a phrase/revision of language |
10% |
10% |
4% |
9% |
12% |
14% |
