| HandSize {hcidata} | R Documentation |
Touch Performance by Hand Size
Description
Data from a study on the influence of hand size on touch accuracy. Contains hand measurements for 27 participants, information on the two phones used in the study, and 27000 recorded touch samples.
Usage
HandSize
Format
A list with three entries:
participants with 16 fields for 27 study participants:
- PID
Participant ID.
- Age
Participant age.
- Gender
Participants' self-reported gender.
- Phone
Participants' personal phone.
- Handedness
Participants' dominant hand.
- ThumbLength
Length of thumb in cm.
- IndexLength
Length of index finger in cm.
- MiddleLength
Length of middle finger in cm.
- RingLength
Length of ring finger in cm.
- PinkyLength
Length of pinky finger in cm.
- ThumbPadWidth
Width of thumb pad in cm.
- PalmWidth
Width of palm in cm.
- PalmLength
Length of palm in cm.
- IndexThumbLength
Distance from index finger tip to base of thumb in cm.
- ThumbIndexSpan
Distance from thumb tip to index finger tip when hand is spread open in cm.
- ThumbPinkySpan
Distance from thumb tip to pinky tip when hand is spread open in cm.
devices with 5 fields:
- Phone
Phone used (Android or iPhone).
- ScreenWidth
Width of screen in px.
- ScreenHeight
Height of screen in px.
- ScreenDpiX
Horizontal screen dpi.
- ScreenDpiY
Vertical screen dpi.
data with 27000 observations in 10 fields:
- PID
Participant ID.
- Trial
Trial number.
- Phone
Phone used (Android or iPhone).
- TouchX
Horizontal touch position in pixel.
- TouchY
Vertical touch position in pixel.
- TargetX
Horizontal target position in pixel.
- TargetY
Vertical target position in pixel.
- SelectionTimeSeconds
Time it took to make the selection in seconds.
- ErrorMM
Offset from the target position in mm.
- Outlier
Whether this trial is considered an outlier because selection happened too fast or slow.
Source
Larsen JN, Jacobsen TH, Boring S, Bergström J, Pohl H (2019). “The Influence of Hand Size on Touch Accuracy.” In Proceedings of the 21st International Conference on Human-Computer Interaction with Mobile Devices and Services, MobileHCI '19. ISBN 9781450368254, doi:10.1145/3338286.3340115.
See Also
Other mobile interaction:
CasualSteering