7. Stepping stones
to switch access
• Single switch: cause effect
• Single switch: multiple locations
• Two switches: two functions
• Learning to two switch step scan (move, get/choose)
• 4a Single switch scanning
• Two switch step scan: errorless learning
• Two switch scanning to a target
• Two switch scanning for accuracy
• Two switch scanning: reduce time for success & demonstrate
knowledge
http://www.lburkhart.com/handouts/
stepping_stones_chart_10_12.pdf
Evaluation includes
Size which depends on acc of movt
Sensitivity, pressure reqd
Feedback given from the switch
Amount of travel reqd to make activation
Robustness
Tactile quality
Moisture resistance
Safety
Single switch: cause effect eg PRIORY WOODS
Single switch: multiple locations
Two switches: two functions eg HELPKIDZLEARN Bumper cars, big trucks
Learning to two switch step scan (move, get/choose) HELPKIDZLEARN
4a Single switch scanning DJ MASTER
Two switch step scan: errorless learning HELPKIDZLEARN pick and play, Aunty Maggie's recipe
Two switch scanning to a target eg make in any comm app
Two switch scanning for accuracy
Two switch scanning: reduce time for success & demonstrate knowledge
Most devices you can just plug the switch in
iPad need an interface
Most devices you can just plug the switch in
iPad need an interface