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Rate Enhancement. Communication Rates. Conversational speaking rates: 150 wpm -250 wpm AAC rates: 15 wpm. Encoding . Any technique in which the user gives multiple signals that together specify a desired message (Vanderheiden & Lloyd, 1986).

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Presentation Transcript
communication rates
Communication Rates
  • Conversational speaking rates: 150 wpm -250 wpm
  • AAC rates: 15 wpm
encoding
Encoding
  • Any technique in which the user gives multiple signals that together specify a desired message (Vanderheiden & Lloyd, 1986).
  • Use of code allows the individual to indicate a small number of items that corresponds to larger vocabulary.
reasons to use encoding
Reasons to use Encoding
  • Quick retrieval
  • Space availability
  • Advantages of electronic encoding.
    • No need for familiarity with code
    • Automatic translation of code into a spoken or printed message greater independence in producing messages.
need for quick retrieval
Need for Quick Retrieval
  • Timing Enhancement
    • Require careful timing to be appropriate
    • “Please pick up my feet before you roll my wheelchair forward”
  • Message Acceleration & Fatigue Reduction
    • Frequently Used/Lengthy message: Use of encoding or other strategies (core voc) for QR
    • 100 words account for 60% communicated (Vanderheiden & Kelso, 1987)
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