One-hand Typing Options
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One-hand Typing Options: Physical Keyboards
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Conventional keyboardMatias 508Matias 1/2 qwertyMaltron one-hand
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Usually free$595$595$475
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Info pageInfo pageInfo page
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ConsiderationManualManual
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1. Text Entry MethodConventional (press individual keys)Semi-chordedSemi-chordedConventional (press individual keys)
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Default layoutQwertyQwertyQwerty (mirrored)Unique
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One-hand Dvorak available?
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Mirrored layout available?
with add-on software*

activated by Matias key on keyboard

by default
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2. Physical formPhysical keyboardPhysical keyboardPhysical keyboardPhysical keyboard
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Compact sizes availableLeft-only, right-only, or 2-hand typing.Designed for Left-hand use only.Unique curved shape
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3. Required componentsKeyboardKeyboardKeyboardKeyboard
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Wireless USB keyboards need receiver
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4. Wired or wireless connectionsVariesWired (USB)Wired (USB)Wired (USB)
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5. Requires a wearable
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6. Positioning/mountingCompact versions may provide more flexible positioningDesigned for traditional desktop positioning.Compact size may provide more flexible positioning options.Designed for traditional desktop positioning.
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7. CompatibilityWindows, Mac, iOS, Android.
Any platform supporting USB or Bluetooth
Windows, Mac, iOS, Android.
Any platform supporting USB.
Windows, Mac, iOS, Android.
Any platform supporting USB.
Windows, Mac, iOS, Android.
Any platform supporting USB.
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8. Tasks and Typing Performance
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Reported one-hand typing speedReports of: 29 wpm, 55 wpm, 40-80 wpmAfter 10 hours: 24-43 wpm
After 40 hours: as high as 60 wpm
After 10 hours: 24-43 wpm
After 40 hours: as high as 60 wpm
Report of 85 wpm on Maltron website
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Combining keysOptions: 1. Hold down modifier keys with typing/other hand. 2. Activate Sticky Keys.Sticky Keys built-in.Sticky Keys built-in.Latching modifier keys (push-on, push-off).
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Text navigationCursor keys or pointing deviceCursor keys or pointing deviceCursor keys (first press mode key 3x).
Pointing device.
Cursor keys adjacent to letter keypad.
Pointing device also an option.
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Pointing tasksTypically with pointing device or touch. Can use Mouse Keys (Windows, Mac).Typically with pointing device or touch. Can use Mouse Keys (Windows, Mac).Typically with pointing device or touch. Can use Mouse Keys (Windows, Mac).Typically with pointing device or touch. Can use Mouse Keys (Windows, Mac).
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9. Potential for 100% independent use
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10. Portability/transferabilityHigh. Most common type of keyboard.Low. Easy to setup but would require carrying from place to place.Medium. Easy to setup and compact size makes it more portable.Low. Easy to setup but would require carrying from place to place.
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11. Robustness
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physical demands/fatigueUser-specificUser-specific. Option for 1- or 2-hand typing may reduce fatigue for some users.User-specificUser-specific.
Designed to reduce hand fatigue
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maintenanceMinimalRevert to regular qwerty if it breaks.Revert to regular qwerty if it breaks.Risk of inconvenience if it breaks.
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battery freeYes, for wired keyboards only.
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12. Cognitive Load
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learning demandsLow for standard layout. Higher if learning one-hand Dvorak or mirrored layouts.Requires learning a new pattern, but qwerty foundation may make this easier.Requires learning a new pattern, but qwerty foundation may make this easier.Requires learning a new layout
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learning supports available?Multiple tutorials for FGHJ methodBrief text tutorial in manual.Brief text tutorial in manual.Basic web-based exercises
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* From onehandkeyboard.org
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From kpronline.com/blog/your-guide-to-10-one-hand-typing-options/
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Prepared by Heidi Koester, Nov 2019. Koester Performance Research, https://kpronline.com
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