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CHI
2009
ACM
16 years 7 months ago
Hand occlusion with tablet-sized direct pen input
We present results from an experiment examining the area occluded by the hand when using a tablet-sized direct pen input device. Our results show that the pen, hand, and forearm c...
Daniel Vogel, Géry Casiez, Liam Keliher, Ma...
CHI
2011
ACM
14 years 10 months ago
When designing usability questionnaires, does it hurt to be positive?
When designing questionnaires there is a tradition of including items with both positive and negative wording to minimize acquiescence and extreme response biases. Two disadvantag...
Jeff Sauro, James R. Lewis
HCI
2009
15 years 4 months ago
Acquiring a Physical World and Serving Its Mirror World Simultaneously
A mirror world, which is a virtual space modeling a physical space, attracts enormous interests from VR community recently. Various applications such as Second Life, Google Earth a...
Sengpyo Hong, Jong-gil Ahn, Heedong Ko, Jinwook Ki...
OZCHI
2005
ACM
15 years 12 months ago
Technology for the humdrum: trajectories, interactional needs and a care setting
We report on a care setting where staff looking after ex-psychiatric patients were supported by mobile and stationery communications technology (e.g. mobile phones, a messaging sy...
Connor Graham, Keith Cheverst, Mark Rouncefield
CHI
2011
ACM
14 years 10 months ago
Comet and target ghost: techniques for selecting moving targets
Numerous applications such as simulations, air traffic control systems, and video surveillance systems are inherently composed of spatial objects that move in a scene. In many ins...
Khalad Hasan, Tovi Grossman, Pourang Irani