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A study of the performance of steering tasks under spatial transformation of input

Published: 28 March 2008 Publication History

Abstract

Typical direct manipulation tasks often suffer from an inherent indirection between the virtual objects that form the computer interface and the input devices through which the user interacts to manipulate these objects. This paper studies the effect of spatial indirection on the performance of interaction. For continuous input devices, spatial transformation can be decomposed into translation, rotation, and scale. Translation alone simply shifts a movement from the device space to a different position in the virtual space, preserving the direction and size of that motion. Rotation changes the direction, while scale modifies the size. This study found evidence that rotation and scale are significant factors in interaction performance. We propose a model based on these factors that can be employed to predict the time required for a task of tracing and staying inside a non-linear shape. Contrary to our initial hypothesis, moderate translation changes did not register significant variations in the required time. The results of this study are also applicable to the placement and ergonomics of physical input devices.

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Cited By

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  • (2020)Impact of Hand Used on One-Handed Back-of-Device PerformanceProceedings of the ACM on Human-Computer Interaction10.1145/34273164:ISS(1-19)Online publication date: 4-Nov-2020
  • (2017)Effect of Control-Display Gain and Mapping and Use of Armrests on Accuracy in Temporally Limited Touchless Gestural Steering TasksProceedings of the Human Factors and Ergonomics Society Annual Meeting10.1177/154193121360157761:1(380-384)Online publication date: 28-Sep-2017

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cover image ACM Other conferences
ACMSE '08: Proceedings of the 46th annual ACM Southeast Conference
March 2008
548 pages
ISBN:9781605581057
DOI:10.1145/1593105
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 28 March 2008

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Author Tags

  1. PDA input devices
  2. rotation
  3. scale
  4. spatial indirection
  5. steering task
  6. translation

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ACM SE08
ACM SE08: ACM Southeast Regional Conference
March 28 - 29, 2008
Alabama, Auburn

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Overall Acceptance Rate 502 of 1,023 submissions, 49%

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Cited By

View all
  • (2020)Impact of Hand Used on One-Handed Back-of-Device PerformanceProceedings of the ACM on Human-Computer Interaction10.1145/34273164:ISS(1-19)Online publication date: 4-Nov-2020
  • (2017)Effect of Control-Display Gain and Mapping and Use of Armrests on Accuracy in Temporally Limited Touchless Gestural Steering TasksProceedings of the Human Factors and Ergonomics Society Annual Meeting10.1177/154193121360157761:1(380-384)Online publication date: 28-Sep-2017

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