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Careless touch: a comparative evaluation of mouse, pen, and touch input in shape tracing task
Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Informatics and Media, Human-Computer Interaction.
2011 (English)In: Proceedings of the 23rd Australian Computer-Human Interaction Conference (OzCHI '11) / [ed] Cécile Paris, Nathalie Colineau, Vivienne Farrell, Graham Farrell and Weidong Huang, New York, NY, USA: ACM Press, 2011, 329-332 p.Conference paper (Refereed)
Abstract [en]

This short paper is a work-in-progress report on an experimental, exploratory comparison and evaluation of three input methods (mouse, pen, and touch-input) in a line-tracing task. A method to compare the original shape and user-generated version is presented. Measurements of user efficiency and accuracy showed that participants replicating a particular shape using touch-input performed the worst in terms of accuracy but were the fastest in comparison to the remaining input methods. No effect of controlled visual feedback was observed. Additionally, subjective operational biases were observed that, together with input method and expected shape related issues, might strongly affect the results.

Place, publisher, year, edition, pages
New York, NY, USA: ACM Press, 2011. 329-332 p.
Keyword [en]
Shape, tracing, drawing, freehand, mouse, pen, touch, evaluation, comparison, method
National Category
Human Computer Interaction
Research subject
Computer Science with specialization in Human-Computer Interaction
URN: urn:nbn:se:uu:diva-163289DOI: 10.1145/2071536.2071588ISBN: 978-1-4503-1090-1OAI: diva2:463560
OzCHI '11 The Annual Meeting of the Australian Special Interest Group for Computer Human Interaction, Canberra, Australia, November 28 - December 02, 2011
© ACM, 2011. This is the author's version of the work. It is posted here by permission of ACM for your personal use. Not for redistribution. The definitive version was published in Proceedings of the 23rd Australian Computer-Human Interaction Conference (OzCHI'11). from: 2011-12-12 Created: 2011-12-09 Last updated: 2014-04-23Bibliographically approved
In thesis
1. Creating Digital Traces of Ideas: Evaluation of Computer Input Methods in Creative and Non-Creative Drawing
Open this publication in new window or tab >>Creating Digital Traces of Ideas: Evaluation of Computer Input Methods in Creative and Non-Creative Drawing
2014 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Ideas are formed in a process of idea generation that includes creation, development, and communication of new ideas. Drawing has been used as a support for ideation for centuries. Today, computerized tools are commonly used for drawing. Such tools form a user interface between the human and the resulting drawing presented on the screen. The interface may come between the user and the drawing in a disruptive way also affecting the ideation process.

Using controlled laboratory studies, this thesis investigates the consequences of drawing with different user interfaces in two types of tasks: creative drawing tasks (based on a standardized test of creativity) and non-creative drawing tasks (i.e. shape-tracing tasks where no new idea is created). The goal was to identify and evaluate the consequences of the several issues originating from the use of different input devices, the functionality of the graphical user interfaces, the formulation of the drawing task, and the user’s previous experience.

The results showed that drawing tasks are oriented toward quality of outcomes and that higher input accuracy led to higher quality of outcomes of both creative and non-creative drawing tasks. This came with a trade-off between the quantity and quality. In ideation, less accurate input devices facilitated significantly more ideas but these were of lower quality. In non-creative tracing, higher speeds caused lower quality of outcomes.

The users subjectively preferred higher accuracy, also when an inaccurate user interface offered an eraser function. However, using the eraser allowed avoiding reinterpretations of ideas and led to ideation strategies characterized by laborious drawing that negatively affected the quality and quantity of the ideas produced. For non-creative drawing, the more difficult the shapes were, the lower the tracing accuracy.

In the thesis a new framework for interaction analysis is introduced that improves the theoretical and practical understanding of computerized drawing tasks and the phenomena resulting from different aspects of the user interface design of computerized drawing tools.

This thesis demonstrates that the inaccuracy of computerized tools cannot only make our drawings less aesthetically pleasing but also negatively affect ideas that are created in the process.

Place, publisher, year, edition, pages
Uppsala: Acta Universitatis Upsaliensis, 2014. 110 p.
Digital Comprehensive Summaries of Uppsala Dissertations from the Faculty of Social Sciences, ISSN 1652-9030 ; 94
evaluation, user performance, input methods, mouse, stylus, touch, tracing, ideation
National Category
Human Computer Interaction
Research subject
Human-Computer Interaction
urn:nbn:se:uu:diva-220882 (URN)978-91-554-8911-3 (ISBN)
Public defence
2014-05-15, Hörsal 2, Ekonomikum, Uppsala, 13:15 (English)
Available from: 2014-04-23 Created: 2014-03-22 Last updated: 2014-09-09Bibliographically approved

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Zabramski, Stanislaw
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