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Picture Exchange Communication System - PowerPoint PPT Presentation


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Picture Exchange Communication System. Why PECS?. Requires no prerequisite skills Teaches student to initiate communication Can lead to speech development . Phase I. 2 trainers are needed Second trainer provides total physical assistance to the student No direct verbal prompts are used

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Presentation Transcript
why pecs
Why PECS?
  • Requires no prerequisite skills
  • Teaches student to initiate communication
  • Can lead to speech development
phase i
Phase I
  • 2 trainers are needed
  • Second trainer provides total physical assistance to the student
  • No direct verbal prompts are used
  • Use highly preferred items only
  • Use only one picture at a time
phase i1
Phase I
  • First trainer responds as if the student has spoken
  • Fade physical assistance
  • Fade the “open hand” cue
  • Be prepared to use pictures when the opportunity occurs naturally
phase ii
Phase II
  • No direct verbal prompts
  • Use one picture at a time
  • Use a book or board
  • Increase the distance between the student and trainer
phase ii1
Phase II
  • Increase the distance between the student and picture
  • Trainer puts the picture away
  • Be prepared to use pictures when the opportunity occurs naturally
phase iii
Phase III
  • No direct verbal prompts
  • The student discriminates between preferred item and irrelevant item
  • Trainer gives student what was asked for
  • Check for understanding
  • Reduce picture size
  • Rearrange picture location on board
phase iv
Phase IV
  • “I want” on the left side of a sentence strip
  • Show the sentence to the student
  • Move the “I want” picture to the board or book
phase v
Phase V
  • Trainer points to “I want” while asking “What do you want?”
  • Gradually increase the time between asking and pointing
  • Fade pointing cue
  • Encourage eye contact
phase vi
Phase VI
  • Use less preferred items to teach “I see”
  • Reinforce by giving the student a non-related tangible reward
  • Vary “What do you see?” and “What do you want?”
phase vi1
Phase VI
  • Teach “What do you have?” using low preference items
  • Add additional questions
  • Fade tangible reward
moving on
Moving On
  • Use same techniques to teach adjectives
  • Teach Yes and No