A cost-effective three-in-one personal digital assistant input control Export

@article{citeulike:3787232, abstract = {We attach an inexpensive pressure sensor to the side of a personal digital assistant and use it as three input devices at once. Users can squeeze the device to provide near-continuous input to applications. At the same time the drivers interpret a sudden full squeeze as the push of a virtual button. A user's sudden pressure release while squeezing is detected as the push of a second virtual button. We briefly describe our hardware and signal processing techniques. The remainder of the writing describes an experiment that explores whether users can cope cognitively with the 3-in-1 control. We compare against a three-control setup consisting of a jog wheel and two physical buttons. We show that the three-in-one control enables a 13\% faster reaction time over the three-control one, but that the three-in-one control suffers a 4\% penalty in the accuracy of users choosing between the two buttons in response to cues from an application. We show that a good choice of application cue is more important for assuring accuracy in the 3-in-1 than in the more traditional set of separate controls.}, author = {Paepcke, Andreas and Wang, Qianying and Patel, Sheila and Wang, Matthew and Harada, Susumu}, citeulike-article-id = {3787232}, citeulike-linkout-0 = {http://journals.ohiolink.edu/ejc/article.cgi?issn=10715819&issue=v60i5-6&article=717_actpdaic}, keywords = {hacker, hacking}, posted-at = {2008-12-14 02:05:50}, priority = {2}, title = {A cost-effective three-in-one personal digital assistant input control}, url = {http://journals.ohiolink.edu/ejc/article.cgi?issn=10715819&issue=v60i5-6&article=717_actpdaic} }

TY - JOUR ID - citeulike:3787232 L3 - citeulike-article-id:3787232 N2 - We attach an inexpensive pressure sensor to the side of a personal digital assistant and use it as three input devices at once. Users can squeeze the device to provide near-continuous input to applications. At the same time the drivers interpret a sudden full squeeze as the push of a virtual button. A user's sudden pressure release while squeezing is detected as the push of a second virtual button. We briefly describe our hardware and signal processing techniques. The remainder of the writing describes an experiment that explores whether users can cope cognitively with the 3-in-1 control. We compare against a three-control setup consisting of a jog wheel and two physical buttons. We show that the three-in-one control enables a 13% faster reaction time over the three-control one, but that the three-in-one control suffers a 4% penalty in the accuracy of users choosing between the two buttons in response to cues from an application. We show that a good choice of application cue is more important for assuring accuracy in the 3-in-1 than in the more traditional set of separate controls. TI - A cost-effective three-in-one personal digital assistant input control KW - hacker KW - hacking AU - Paepcke, Andreas AU - Wang, Qianying AU - Patel, Sheila AU - Wang, Matthew AU - Harada, Susumu UR - http://journals.ohiolink.edu/ejc/article.cgi?issn=10715819&issue=v60i5-6&article=717_actpdaic ER -