Presenter: Nadiya Destiny Case Study: Andre.
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Transcript of Presenter: Nadiya Destiny Case Study: Andre.
Variables
Dependent Variable Making a choice
Independent Variable Use of Picture Symbols versus using a voice output
communication aide (VOCA)
Alternating Treatment Design Determine which form of augmentative communication
is best for the student
The Participant
Andre 4 year old Mental Retardation Speech and language difficulties Receives 30 minutes of speech therapy each week Receives 30 minutes of occupational therapy each
week Receives 10 hours in a specialized preschool classroom
each week
The Student’s Strengths
Make choices consistentlyAttention span increased from two to four
minutesFollow one-step directionsWonderful imagination that comes through in
his playSort by color and shapeCount verbally to threeIdentify picture symbols and photographsVocalize words following a model (computer,
spoken, etc.)
The Student’s Weaknesses
Babbles, but words are unable to be understood
Fine motor skillsSharing toys
Setting:Otterbein Preschool
Otterbein Preschool Specialized preschool that serves children between
three to five years old Placed after evaluation by the clinic team at Yorkshire
Center All students have a cognitive disorder and a speech
and language disorder Some have fine motor, gross motor, visual, and/or
hearing needs as well Most students live in the York City School District
Setting:Physical Environment
Second floor in a churchClassroom divided into several areas
including: Circle Area Table Play Area Centers (based on current learning unit) Snack Area Sensory Area
Sessions occurred in the snack area, table play area, and centers
Setting:Classroom Staff
Each day the teacher and paraprofessional were in the classroom
Additional support staff included: Speech and Language Pathologist – Mondays Occupational Therapist – Mondays Physical Therapist – Wednesdays Instructional Advisor – Varied Classroom Psychologist – Varied
Second classroom located downstairs
Materials
Chart used to collect dataSentence strip
“I want ________ please.” BoardMaker symbol for available choices
VOCA programmed with available choices DynaMyte Array of up to 25 images
Design
Alternative Treatment Design Dependent Variable
Choicemaking Independent Variable
Use of a communication aid to make choices Use of picture symbols to make choices
Question What is the best method for this student to make clear
choices?
General Procedure:General Description
Data collected for 11 daysTwo sessions
Snack Time One-on-One Time
Three opportunities to make a choice each day33 observable choicesOccurred on different days of the week to ensure
better variabilityFirst Intervention
Picture Symbols – IPSecond Intervention
VOCA - IV
General Procedure:Snack Week 1
Two choices Snack Drink
Snack supervisor “What do you want for snack?” Point to choices and label
Andre pointed to choiceSnack supervisor prompts him to say full
sentence by modeling and pointing Second adult physically prompt to point and speak
General Procedure:One-On-One Session Week 1
Adult Asks – “What would you like to do?” Labels two choices
Andre makes choice between twoAdult models the sentence
General Procedure:Week 2
Use of the VOCA was implementedPointed to his choice on the VOCA Chose images on VOCA to complete the
sentence
Data Collection
Snack Data Form Chart with 15 boxes containing three rows Top row left blank to put the date in Other two rows contained a positive and negative sign
One-on-One Data Collection “Y” for yes “N” for no Index card staple to other forms
Appropriate choices Andre readily accepted his choice Did not push choice away or refuse to participate in the
activitySome anecdotal records were kept on the form or
index card when necessary