Access at bootcamp2018
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Access at bootcamp2018
- 2. Access: •Assessment •Input Access •Processing Features •Output Considerations •Accessibility Built-In Features to Operating Systems Topics to be Covered
- 3. • Adaptations to the Standard Keyboard • Keyboard Alternatives including: • Keyboards of other sizes & shapes • Keyboards that appear on the monitor • Hands Free Text & Command Entry • Mice Alternatives including: • Mice with Programmable Buttons, Trackballs • Hands Free Mouse Movers • Adaptations to the “traditional” processing strategy of typing on a QWERTY keyboard • Adaptations to the standard monitor output What is access?
- 4. Feature Match Individual Needs Abilities Expectations Technology Interface / Input Processing Output
- 5. Agency/School ‘s Technology Standard • Operating System of school / district • Natural Supports linked with InstructionalTechnology Individual’s Environment • Amount of use (Tasks of writing, access to learning materials) • Location(s) of use (Multiple rooms, Work done at Home) Individual’s Tasks • Access to Standard Applications/Internet • Alternative Writing • Organization Tool AssistiveTechnology • Feature Needs • OS compatibility of AT products Impacts on Computer Selection
- 6. Background information • Previous computer and/or AT use & preferences • Predisposition to technology • User Supports • Diagnosis (impact, projections) Skill level information • Motor • Sensory • Language • Cognition Feature matching Impacts on AssistiveTechnology Selection
- 7. The SETT Framework S = Skills E = Environment T = Tasks T = Tools
- 8. The Human to Computer Interface Input
- 10. Modifications to Standard Keyboard ● Sticky Keys ● Slow Keys ● Rearrange Keys ● Large Print Letters ● Slant Boards ● Splints, Sticks, etc. ● Keyguards Physical Adjustments Electronic Adjustments ZoomCaps
- 11. Provide auditory feedback to keys Time delays Key Latching Rearrange Traditional QWERTY keyboard String together Scripts/Macros Use keyboard to Operate Mouse Define Keys with Messages Why modify the keyboard?
- 12. An individual who... •types with one finger •types slowly •uses headstick/mouthstick •uses a finger splint •uses a manual pointer Who might use keyboard modifications?
- 14. Auditory feedback to keys Rearrange keys/Adjust size of keys Graphical Representation of keys Keys can contain messages Latching keys String together Scripts/Macros Flat membrane keys Can increase Time delays Why use an alternate keyboard?
- 15. Mouse Enhancements & Mouse Alternatives 2 Controls 1. Movement 2. Function Pointer Control Systems
- 16. Mouse Options
- 17. Mouse Pointer & Control Systems 2 Controls • Movement • Function Features • Mouse Speed Control • Shaped to fit hand • More than 1 button • Programmable Scripts & Macros • Controlled by Head Movements • Touching the Monitor • Controlled by Switches
- 18. Gain Control over cursor To activate an onscreen keyboard To speed movement around the screen To efficiently “Surf” the Internet Why use a mouse alternative?
- 19. SAM Inclusive Tecla Jouse Lipstick Features • Proportional • Directional • Switch Joystick Options
- 20. What are the features of Head Mice? Hardware • Head Master • Head Mouse • Boost • Tracker Head Mouse Emulators
- 21. Keyboards that Appear on the Monitor and as an Alternative Keyboard on a Touch Screen On Screen Keyboard
- 22. Auditory feedback to keys Rearrange keys Adjust size of keys Graphical Representation of keys Keys can contain messages Dwell feature String together Scripts/Macros Why use an onscreen keyboard?
- 23. An individual who... •transitions slowly between keyboard/monitor •uses a pointing input successfully •types with icons rather than letters •fatigues from keyboarding Who might use an onscreen keyboard?
- 25. Computer Control and Typing by Speech Voice Recognition
- 26. The Process ofWriting with Voice.. (Fonner) Voice Recognition Think Talk Check Edit Compose Read
- 28. Physical impairment with ANY cognitive level 1st Choice = Direct Selection Why Uses Switches?
- 29. • Mouse control from Switch • Auditory feedback to keys • Rearrange keys/Adjust size of keys • Graphical Representation of keys • Keys can contain messages • Latching keys • String together Scripts/Macros • Change rate of scan Why use switch access?
- 30. SwitchTypes Access Method Access Site Mounting Function •Direct Select •Scanning Interface to other AT Switches: Consideration
- 31. Focus on Features • Amount of force/pressure • Amount of travel • Size of the target • Color andTexture • Feedback • Visual—lights • Auditory—Click sound, music, beep • Vibration • Physical— • Feeling of movement Which Switch?
- 33. Switch Properties • Type • Single • Dual • Multiple • Joystick • Sensitivity (operating force) • Adjustability • Surface Area • Height • Amount ofTravel • Sensory Feedback (Light, Auditory, Tactile) • Mounting Options Switch Activation • Pressure • Reed • Motion (mercury) • Pneumatic • Light sensitive • Sound sensitive • Myoelectric (muscle) • Touch • Proximity • Brain Activity More Switch Features
- 34. Inverse Scanning Auditory Scanning Automatic Scanning Step Scanning Scanning
- 35. Scan Operation • Automatic • Continuous/Ongoing • Step • Directed • Inverse • Auditory Switch Input: • Single Switch • 2 Switch • 3 Switch • 5 Switch Scan Presentation: One Item at aTime • Linear • Circular • Snake Item Sets • Row/Column • Column/Row • Group/Block • Quadrant Scanning Factors Scan Displays: –Light Diodes –Light Panel –Highlight Box –OnScreen Display –Dynamic or Branching
- 36. Focus on positioning Pick motivating activities WAIT for their response LOTS and LOTS of practice Remember…
- 37. What is it attached to? Velcro Adjustability? Custom Mounting
- 38. Consider: Connections: USB; Wireless; Bluetooth What software will you be using? Interface to AT: Computer
- 39. Additional Considerations: Cursor Control Mouse Clicks Interface to AT: Computer
- 40. Consider: Wheelchair electronics Training needs Interface to AT: Mobility Device
- 41. Access to: Menus? Apps? • Access to? • Control of functions? Control of device? Interface to AT: Mobile Devices
- 43. Computer Access Processing: Software/App Type Rate Enhancement Layout
- 44. Processing: Layouts ∙ QWERTY ∙ ABC ∙ AEIOU ∙ Frequency ∙ DVORAK ∙ Chubon ∙ Center Space ∙ ETA ∙ Number ∙ Mouse ∙ Custom ∙ Right Handed ∙ Left Handed ∙ Software Specific ∙ Person Specific
- 45. Processing: Rate Enhancements ∙ Word Prediction ∙ Abbreviation Expansion ∙ Macros
- 47. Output: Interface What are you connecting to?
- 48. Accessibility: Built into OS
- 50. Important to recognize the competing draw of physical, cognitive, communication & social skills Marfilius & Fonner * 2015 High communication Activity Low Physical Activity High Physical Activity Adapted from K. Erickson, Center for Literacy & Disability Studies, UNC Low communication Activity