Article Archives

A Breakdown of the Psychomotor Components of Input Device Usage

by Jeremy Slocum Summary: This study investigates the breakdown of the psychomotor components of three different input devices, the mouse, trackball, and RollerMouseTM using the Stochastic Optimized Submovement Model. Primary movement time (PMT), Total Movement Time (TMT), Primary Movement Distance

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Ergonomic Mice: Comparison of Performance and Perceived Exertion

by Deborah Scarlett Summary: This study reports a psychophysical comparison of four ergonomic mouse-type devices to the standard mouse. It was hypothesized that muscle activity transferred from the distal to proximal limbs for some of the ergonomic mice may result

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Comparing Data Input Methods on Handheld Computers

By Gina M. Copas & Lynn Elder Summary: Three data entry methods (external keyboard, internal keyboard, or Graffiti2TM ) were compared in terms of speed, accuracy and satisfaction. Results indicate that data entry was fastest on the external keyboard and

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Examining First-Time Usage of the RollerMouse

By Michael Bohan, Jeremy Slocum, A. Dawn Shaikh, & Barbara Chaparro Intensive mouse use has been associated with increased risk of upper extremity musculoskeletal disorders (see Fagarasanu & Kumar, 2003 for a review). On this basis, alternative pointing devices (e.g.,

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Smooth or Textured: Does Mouse Pad Surface Impact Performance?

By Jeremy Slocum and Shelby Thompson Summary: This study examined the effects of mouse pad usage on performance of a target acquisition task. Results indicated no performance difference between three specialized mouse pads, a traditional mouse pad and no mouse

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