Tangible user interface for chemistry education: comparative evaluation and re-design
Morten Fjeld,Jonas Fredriksson,Martin Ejdestig,Florin Duca,Kristina Bötschi,Benedikt M. Voegtli,Patrick Juchli +6 more
- Vol. 2, Iss: 1, pp 805-808
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TLDR
The empirical evaluation described in this paper compares learning effectiveness and user acceptance of AC versus the more traditional ball-and-stick model (BSM), which results were almost the same for both learning environments.Abstract:
Augmented Chemistry (AC) is an application that utilizes a tangible user interface (TUI) for organic chemistry education. The empirical evaluation described in this paper compares learning effectiveness and user acceptance of AC versus the more traditional ball-and-stick model (BSM). Learning effectiveness results were almost the same for both learning environments. User preference and rankings, using NASA-TLX and SUMI, showed more differences and it was therefore decided to focus mainly on improving these aspects in a re-design of the AC system. For enhanced interaction, keyboard-free system configuration, and internal/external database (DB) access, a graphical user interface (GUI) has been incorporated into the TUI. Three-dimensional (3D) rendering has also been improved using shadows and related effects, thereby enhancing depth perception. The re-designed AC system was then compared to the old system by means of a small qualitative user study. This user study showed an improvement in subjective opinions a out the system's ease of use and ease of learning.read more
Citations
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Tangible User Interfaces: Past, Present and Future Directions
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References
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Book ChapterDOI
Development of NASA-TLX (Task Load Index): Results of Empirical and Theoretical Research
TL;DR: In this article, the results of a multi-year research program to identify the factors associated with variations in subjective workload within and between different types of tasks are reviewed, including task-, behavior-, and subject-related correlates of subjective workload experiences.
Proceedings ArticleDOI
Virtual object manipulation on a table-top AR environment
TL;DR: This work describes an accurate vision-based tracking method for table-top AR environments and tangible user interface (TUI) techniques based on this method that allow users to manipulate virtual objects in a natural and intuitive manner.
Journal ArticleDOI
SUMI: the Software Usability Measurement Inventory
Jurek Kirakowski,Mary Corbett +1 more
TL;DR: SUMI is a solution to the recurring problem of measuring users’ perception of the usability of software and provides a valid and reliable method for the comparison of competing products and differing versions of the same product, as well as providing diagnostic information for future developments.
Proceedings ArticleDOI
A study of comparing the use of augmented reality and physical models in chemistry education
TL;DR: Investigating how students interact with AR and physical models and evaluate their perceptions regarding these two representations in learning about amino acids shows that some students liked to manipulate AR by rotating the markers to see different orientations of the virtual objects, but some students preferred to interact with physical models in order to get a feeling of physical contact.
Proceedings ArticleDOI
Augmented urban planning workbench: overlaying drawings, physical models and digital simulation
Hiroshi Ishii,Eran Ben-Joseph,John S. Underkoffler,Luke Yeung,Daniel Chak,Zahra Kanji,Ben Piper +6 more
TL;DR: An augmented reality workbench called "Luminous Table" is proposed that attempts to address the problem in the spatial and temporal separation between the varying forms of representation used in urban design by integrating multiple forms of physical and digital representations.
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