AAC Motor Access & Alternative Input Methods

Question 1

What is the primary purpose of switch access in AAC?

Accepted Answer

To allow users with motor limitations to control AAC devices

Answer

To enhance the visual display of symbols on the screen

Answer

To amplify the volume of synthesized speech output

Answer

To connect AAC devices to the internet wirelessly

Question 2

Which scanning method presents items sequentially and requires the user to activate a switch when the desired item is highlighted?

Accepted Answer

Automatic scanning

Answer

Direct selection

Answer

Directed scanning

Answer

Morse code input

Question 3

In partner-assisted scanning, who controls the pace and presentation of options?

Accepted Answer

The communication partner

Answer

The AAC device software

Answer

The AAC user via a dedicated switch

Answer

A voice recognition module

Question 4

What is 'dwell time' in the context of eye gaze AAC technology?

Accepted Answer

The duration a user must fixate on a target for the system to register a selection

Answer

The time required to fully charge the device battery

Answer

The delay interval between consecutive switch activations

Answer

The length of synthesized speech output after selection

Question 5

Which access method is MOST appropriate for a user who has controlled, voluntary movement of a single body part such as a thumb or foot?

Accepted Answer

Single-switch scanning

Answer

Eye gaze technology

Answer

Direct multi-touch

Answer

Voice recognition software

Question 6

What does 'inverse scanning' refer to in AAC switch access?

Accepted Answer

The user holds the switch to activate scanning and releases it to select

Answer

The device scans backward through item arrays

Answer

Eye gaze tracking performed in the reverse visual field direction

Answer

Partner scanning conducted from right to left

Question 7

What is the primary efficiency advantage of row-column scanning over linear scanning?

Accepted Answer

It significantly reduces the number of switch activations needed to reach an item

Answer

It requires more switch activations to confirm selections

Answer

It allows only single-switch access to be used

Answer

It is compatible exclusively with high-tech SGDs