Tele-Collaboration in Speech and Hearing Sciences: Augmentative and Alternative Communication


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Tips for Justifying Physical Features

There are many physical features to take into consideration when writing a letter of justification. We will address three at this time: 1) size & portability of the device or strategy 2) clarity of symbols on the display and 3) laptop computer vs. dedicated AAC device. For more information on these features, see "Physical Features" in the "Understanding AAC Features" section of this website.

Size and Portability of the Device
Devices range in size from tiny and easily carried to large, requiring mounting on a wheelchair. For letters of justification in Washington State, experience tells us that you may use size as a medical justification when:

1) The individual needs to carry a device and would be unable to safely carry a heavier device, or

2) The individual needs a device that does not interfere with line of sight for power mobility in a wheelchair.

However, you must not compromise required vocabulary size.

Clarity of symbols and screen
For some users, color symbols are much more salient and easier to see and learn. For letters of justification in Washington State, experience tells us that you can justify a system with a clearer screen and salient symbols under the following circumstance:

If the individual needs to use a device for medical or health & safety communication under adverse lighting conditions, such as out of doors in sunlight or near a sunny window where reflections are a constant problem. It is best to give a specific example from his/her life of emergency situations where communication is necessary and lighting is poor.

Dedicated AAC device vs laptop computer
Most of the equipment that you will see on this website is designed specially for AAC users, for communication purposes. However, it is becoming cheaper and often more effective to use communication software on a standard computer hardware. In our experience it is difficult to acquire funding in Washington State from an insurance company or DSHS for a full computer for communication. It is possible to succeed, however, under the following circumstance:

If you can demonstrate that there are no dedicated systems that are less expensive and sufficiently adequate to meet the individual's health and safety needs.

This issue is currently being examined by local advocates because it appears that WA State DSHS tends to deny requests for laptop computers even when the equipment is less expensive and more effective for the individual.

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University of Washington, Dept. of Speech & Hearing Sciences, Tele-Collaboration Project. © 1999-2002, UW-SPHSC, including all photographs and images unless otherwise noted. Comments: tcollab@u.washington.edu. URL: http://depts.washington.edu/augcomm