Interfacing and Access

Question 1

control interface

Answer 1

• have access to device
• keyboard, mouse, etc
• requires motor, sensory and cognitive abilities to use these things

Question 2

selection methods

Answer 2

way in which user makes their selection using the control device

• direct: uses the interface to make selection-requires refined movements
• indirect: steps to make a selection-scanning is most common

Question 3

scanning

Answer 3

good visual tracking skills, good attention, ability to sequence, very little motor control

Question 4

direct scanning

Answer 4

control interface is used, device scans through selection set vertically, horizontally, in sets and then user makes the selection

Question 5

coded access

Answer 5

scanning type, morse code, takes higher cognitive skills

Question 6

methods of activation

Answer 6

movement, respiration, phonation (sound/voice control)

Question 7

control enhancers examples

Answer 7

mobile arm supports, typing aids, mouth sticks, head pointers, alternative mouse, joysticks

Question 8

(indirect)automatic scanning

Answer 8

items presented continuously, can be adjusted for speed, user makes selection when choice is presented

Question 9

(indirect)step scanning

Answer 9

switch is activated for each item, move through items and then 2nd input when choice is made

Question 10

(indirect)inverse scanning

Answer 10

individual activates and holds switch closed, when switch is held down, items are scanned, when they want to make choice they release the switch

Question 11

direct selection

Answer 11

keyboards, pointing interfaces, speech recognition, eye controlled