Pressure Input on Tablets

Primary Ph.D Research

Investigating the use of isometric force (pressure) input, as a non-dominant hand input modality, to support bimanual interaction techniques for touchscreen tablet devices.

Touchscreen tablet devices (such as the Apple iPad, the Google Nexus 10 or the Microsoft Surface) present an interesting challenge to interaction designers: they are not quite handheld like their smartphone cousins, though their form factor affords usage away from the desktop and other surfaces. They can accept multitouch input and, by extension, bimanual input; however, a user will often have to dedicate one hand to holding or supporting the device, constraining their ability to interact fully using two hands on the touchscreen. In general, the opportunities for bimanual input are constrained by the reach of the user's supporting hand. The challenge for designing bimanual interaction techniques for tablet devices is to enable coordinated two-handed input while the user is comfortably holding the device. My Ph.D Research explored the use of non-dominant hand isometric force (pressure) input to support interaction design in this context.

I'm currently writing up my thesis. I expect to submit at the beginning of July and complete my viva this summer.

Relevant Publications

ACM DL Author-ize serviceTransient and transitional states: pressure as an auxiliary input modality for bimanual interaction
Ross McLachlan, Daniel Boland, Stephen Brewster CHI '14 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems,�2014