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Misarticulations of [s] and [z]

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by

Sarah Mullins

on 6 October 2015

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Transcript of Misarticulations of [s] and [z]

Misarticulations of [s] and [z]
Sarah Adams & Laken Mitchell
Phonetic Description
Cognates: voiceless [s] and voiced [z]
Articulated in two different ways:
Apico-alveolar
Predorsal-alveolar
Direct airflow with sagittal tongue grooving
Types of Misarticulations
• Interdental [s] and [z]
• Addental [s] and [z]
• Lateral [s] and [z]
• Palatal [s] and [z]
• Strident [s] and [z]
• Substituting [s] and [z] (t and d)
• Nasal [s] and [z]

Therapeutic Suggestions
Smart Palate 2.0
Coarticulatory Conditions
Articulated in a relatively anterior position with some lip spreading
Stay away from rounded (back) vowels

Phonetic placement method
Describe positioning of articulators and manner of production
Sound modification method
Use another sound the child can produce and modify
Goals
Long Term Goal
Student
will correctly produce [s] in the initial and final position of words

in order to make choices and identify needed materials to complete an activity
with 80% accuracy in each position (initial and final) for three different sessions
behavior
criterion
condition
Short Term Goal
Student
will correctly produce [s] in the initial position of words

with visual aides

with 80% accuracy across two consecutive sessions
Session Objective
Student
will correctly produce [s] in the initial position of words

with models and visual cues
Preschool Activity
"Silly Soup"
School-Age Activity
"Angry Birds"
Let's Practice!
Let's Practice!
Short Term Goal
Student
will correctly produce [z] in the final position of words

when presented with a visual prompt

with 80% accuracy across two consecutive sessions
Long Term Goal
Student
will correctly produce [z] in the initial and final position of words at sentence level
when asking and answering questions in the classroom setting
with 80% accuracy in each position (initial and final) for three different sessions
Session Objective
Student
will correctly produce [z] in the final position of words

with tactile and visual cues
behavior
criterion
condition
Goals
Questions?
General Info
[s] is one of the most common speech sound errors
[s] and [z] are among the latest developing sounds
Why are they so difficult to produce?
Where To Begin?
[s] or [z]?
Full transcript