Bradley's AAC system was designed to allow him the use of a pneumatic sip-and-puff switch to select symbols presented in a row-column array screen to communicate.Bradley's 'means to select' is referred to as

Question

Quizplus · Accepted Answer

Bradley's system involves the use of a pneumatic sip-and-puff switch, which is an electronic device aiding his selection of symbols on the screen. Therefore, his means to select is electronically aided direct selection.  Unaided direct selection refers to a user physically selecting symbols without any external aids, while auditory and visual scanning selection involve the presentation of choices that are scanned by the user using either auditory or visual cues. Neither of these methods applies to Bradley's AAC system.

Bradley's AAC System Was Designed to Allow Him the Use