Table 4. Intervention Protocol

Name			Date / Sessions							/	session
Teaching Method	MPR (Modeling, Prompting, Reinforcement) based AAC App Intervention
Goal	The subject can express “Requesting,”“Rejecting,”and “Asking for help,”using the AAC app.
Target Skill	□ Requesting  □ Rejecting  □ Asking for help
Intervention Protocol and Response data	■ Environmental Setup: Establishes a situation appropriate for the target skill.① Requesting: Provides time for a break and says, “It’s time to take a break.”② Rejecting: Presents a repeated activity and suggests, “Do more.”③ Asking for help: Presents a task that is difficult to perform independently and asks, “Can I help you?”■ Correct response(Target button press): Reinforce ⇨ Restart activity within 2 minutes■ Incorrect response(Non-target button press) ⇨ Modeling is provided■ Modeling: Demonstrates the target skill according to the situation.① Requesting: Demonstrates the reinforcer button press, which produces voice output.② Rejecting: Demonstrates the “Stop it” button press, which produces voice output.③ Asking for help: Demonstrates the “Help me” button press, which produces voice output.■ Correct response(Target button press): Reinforce ⇨ Restart activity within 2 minutes■ Incorrect response(Non-target button press) ⇨ Prompting is provided■ Prompting: Provides assistance so the subject can perform the target skill.① Physical Guidance: Holding the hand to press the button.② Visual Cue: Pointing to the button.③ Verbal Cue: Saying “You need to press the button.”■ Reinforcement provided■ Reinforcement: Provides desired outcomes after the subject successfully performs the target skill.① Requesting: Providing reinforcer.② Rejecting: Stopping the activity.③ Asking for help: Providing assistance.■ After reinforcement:① Return to Environmental Setup② End session if activity is completed
	Trial	1	2	3	4	5	6	7	8	9	10
	Response
	Total
	■ Mark correct responses with + and incorrect responses with - in the squares.
Activities	□ Can trace numbers 1 through 10(5 times each).□ Can cut straight and curved lines(4 each).□ Can discriminate 5 words(2-3 syllables).□ Can imitate the teacher’s voice reading the book, “No Shouting.”□ Can trace his name(8 times each).□ Can trace circles and triangles(12 times each).□ Can brush teeth independently.□ Can answer the questions(animal sounds, family names, and own name).□ Can sort recycle materials(plastic, cans, glass, and paper).□ Can match two given colors simultaneously using both hands(5 times).