I. Scott MacKenzie

schoolYork Universitybar_chart#2768 Global Rank

Total Papers

HCI Rank

#2768

Research Areas

Years Active

Recent Publications

Normalizing Speed-accuracy Biases in 2D Pointing Tasks with Better Calculation of Effective Target Widths

For evaluations of 2D target selection using Fitts' law, ISO 9241-411 recommends using the effective target width (W_e) calculated using the univariate standard deviation of selection coordinates. Related research proposed using a bivariate standard deviation; however, the proposal was only tested using a single speed…

CHI '203rd AuthorEye Tracking & Gaze Interaction +1

TAGSwipe: Touch Assisted Gaze Swipe for Text Entry

The conventional dwell-based methods for text entry by gaze are typically slow and uncomfortable. A swipe-based method that maps gaze path into words offers an alternative. However, it requires the user to explicitly indicate the beginning and ending of a word, which is typically achieved by tedious gaze-only selectio…

CHI '204th AuthorHand Gesture Recognition +1

Leveraging Error Correction in Voice-based Text Entry by Talk-and-Gaze

We present the design and evaluation of Talk-and-Gaze (TaG), a method for selecting and correcting errors with voice and gaze. TaG uses eye gaze to overcome the inability of voice-only systems to provide spatial information. The user's point of gaze is used to select an erroneous word either by dwelling on the word fo…

CHI '19CorrespondingEye Tracking & Gaze Interaction +1

An Evaluation of Radar Metaphors for Providing Directional Stimuli Using Non-Verbal Sound

We compared four audio-based radar metaphors for providing directional stimuli to users of AR headsets. The metaphors are clock face, compass, white noise, and scale. Each metaphor, or method, signals the movement of a virtual arm in a radar sweep. In a user study, statistically significant differences were observed f…

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