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Nasometer II Normative Data
The MacKay-Kummer SNAP TEST- R
Simplified
Nasometric Assessment Procedures
Revised 2005
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Name:
Date: |
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Age: Examiner: |
Syllable Repetition/Prolonged Sounds Subtest
Instructions: Repeat or prolong until the screen is full.
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Oral + /a/ Syllables |
Norms |
SD |
Score (Threshold:
≥15) |
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pa, pa, pa... |
6 |
3 |
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ta, ta, ta... |
7 |
4 |
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ka, ka, ka... |
7 |
4 |
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sa, sa, sa... |
7 |
5 |
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Sa,
Sa,
Sa... |
7 |
4 |
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Oral + /i/ Syllables |
Norms |
SD |
Score (Threshold:
≥35) |
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pi, pi, pi... |
17 |
7 |
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ti, ti, ti... |
17 |
7 |
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ki, ki, ki... |
18 |
8 |
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si, si, si... |
17 |
8 |
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Si,
Si,
Si... |
16 |
8 |
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Nasal+ /a/ Syllables |
Norms |
SD |
Score (Threshold:
≤40) |
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ma, ma, ma... |
53 |
13 |
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na, na, na... |
53 |
11 |
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Nasal+ /i/
Syllables |
Norms |
SD |
Score (Threshold:
≤60) |
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mi, mi, mi... |
72 |
13 |
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ni, ni, ni... |
74 |
11 |
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Prolonged
Sounds
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Norms |
SD |
Score (Threshold:
+/-2 SDs) |
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Prolonged /a/ |
6 |
3 |
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Prolonged /i/ |
19 |
9 |
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Prolonged /s/ |
0 |
0 |
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Prolonged /m/ |
93 |
3 |
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Name: _____________________________________________________________________
Picture-Cued Subtest
Instructions: Produce a sentence with
the carrier phrase and picture. Do each twice.
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Oral
Passages |
Norms |
SD |
Score (Threshold: ≥22) |
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Bilabial
Plosives |
11 |
5 |
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Lingual-Alveolar Plosives |
11 |
5 |
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Velar
Plosives |
13 |
6 |
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Sibilant
Fricatives |
12 |
5 |
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Nasal
Passage |
Norm |
SD |
Score (Threshold: ≤45) |
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Nasals |
54 |
9 |
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Reading Passages
Subtest
Instructions: Read or repeat each passage.
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Passages (Reading) |
Norms |
SD |
Score (Threshold: ≥25) |
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Bilabial
Plosives (w/ nasals) |
16 |
5 |
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Passages (Reading) |
Norms |
SD |
Score (Threshold: ≥20) |
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Sibilant
Fricatives (w/o nasals) |
10 |
4 |
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Notes:_____________________________________________________________________________________
_______________________________________________________________________________________________
_______________________________________________________________________________________________
_______________________________________________________________________________________________
Important:
The threshold value for each test is an approximation of the
beginning of a
borderline range of abnormal resonance. These values were estimated based on
standard deviations
(about two higher for orals, about one lower for nasals) and clinical
experience. It should be noted
that a small number of normal speakers will score outside two standard
deviations of the mean for
both orals and nasals. Therefore, the suggested threshold values should be
used as general
guidelines and not as absolute markers between normal and abnormal
resonance. The scores
on nasometry should always be used as a means to support clinical judgment,
but never to replace it.
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