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A Hindrance or an Aid?: The Impact of User Interface on Ideation in Computer-Mediated Drawing
Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Informatics and Media, Human-Computer Interaction.ORCID iD: 0000-0001-7616-5045
2014 (English)Article in journal (Refereed) Submitted
Abstract [en]

Users’ performance in ideation during computer-mediated creative drawing can be affected by the design of a computer’s User Interface (UI). This paper presents results from a series of empirical comparative studies in which participants were presented with a creative drawing task and their ideation performance was measured in terms of the number and quality of ideas created with the use of three different input methods (mouse, stylus-, and touch-input), or two graphical UIs (GUIs). The results showed no significant differences between the different computer input methods, or between the simple and more complex GUI. However, when present in combination, these test conditions can be expected to create cumulative effects, which might explain the substantial differences observed in previous research on computerized creative drawing tasks. Quality-quantity trade-off and a new form of operational bias were observed and their effects on user satisfaction and ideation performance are discussed.

Place, publisher, year, edition, pages
2014.
Keyword [en]
idea generation, evaluation, comparison, creativity, TTCT, figural, drawing, quality, quantity, ideas, user interface, mouse, pen, stylus, touch
National Category
Human Computer Interaction
Research subject
Human-Computer Interaction
Identifiers
URN: urn:nbn:se:uu:diva-220880OAI: oai:DiVA.org:uu-220880DiVA: diva2:706856
Available from: 2014-03-22 Created: 2014-03-22 Last updated: 2014-09-30
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.
Series
Digital Comprehensive Summaries of Uppsala Dissertations from the Faculty of Social Sciences, ISSN 1652-9030 ; 94
Keyword
evaluation, user performance, input methods, mouse, stylus, touch, tracing, ideation
National Category
Human Computer Interaction
Research subject
Human-Computer Interaction
Identifiers
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)
Opponent
Supervisors
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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