Publikationen

"Physical Touch-Based Rotation Processes of Primary School Students"

Bertel, S., Wetzel, S., & Zander, S. (2017). "Physical Touch-Based Rotation Processes of Primary School Students". In Spatial Cognition X (S. 19–37). Philadelphia, PA, USA: Springer International Publishing.

Abstract

We present a novel method for deriving solution strategies used when solving rotation tasks. Process-based findings about physical rotation are obtained from an analysis of how angular disparity between stimuli changes over time. Data on angular disparity was gathered through a study on mental and physical rotation with 37 primary school students between the ages of 8 and 11. For controlling physical rotation, students used touch-based input on our iOS app Rotate it!, which also logged their interactions. Data on changes of angular disparity was used in the construction of Markov models. The models were employed to generate sets of synthetic angular disparity time courses, based on which we identified three distinct rotation-based solution strategies. Our analysis has implications for understanding processes involved in physical and mental rotation alike. It helps to lay grounds on which novel interactive diagnostic and training tools for spatial skills can be developed.
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  Bertel, Sven
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  CIVU – Center for Interaction, Visualization and Usability
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  Fachbereich 3: Information und Kommunikation
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Spatial Knowledge Acquired from Pedestrian Urban Navigation Systems

Bertel, S., Dressel, T., Kohlberg, T., & von Jan, V. (2017). Spatial Knowledge Acquired from Pedestrian Urban Navigation Systems. In Proceedings of the 19th International Conference on Human-Computer Interaction with Mobile Devices and Services. New York, NY, USA: Association for Computing Machinery. http://doi.org/10.1145/3098279.3098543

Abstract

We investigated the spatial knowledge that users of pedestrian navigation support acquire about the navigated area. In particular, we compare two conditions: A spatially richer condition, which provides continual access to information about route directions and surroundings via a local map at closest zoom level. And a spatially sparser condition, in which route directions are given via a tactile display and only as decision points come up. In a field study, 28 participants navigated on foot through a previously unfamiliar urban area. Data on resulting spatial knowledge, gaze distribution on environmental features, performance, individual spatial abilities, and user experience were collected and analysed. We were specifically interested in the route and survey knowledge that participants had acquired. The results point to advantages for acquiring route knowledge through using the sparser, tactile display condition and for acquiring survey knowledge through using the richer map condition. We conclude with discussing ramifications for the design and use of different types of pedestrian navigation support systems for different task scenarios.
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  Bertel, Sven
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  CIVU – Center for Interaction, Visualization and Usability
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  Fachbereich 3: Information und Kommunikation
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Touch-basierte Navigation in 3D-Welten für unerfahrene Spieler

Madelung, M., Marszalek, J., Reinhold, S., & Teistler, M. (2017). Touch-basierte Navigation in 3D-Welten für unerfahrene Spieler. In Mensch und Computer 2017 - Tagungsband (S. 411–414). Regensburg: Gesellschaft für Informatik e.V. http://doi.org/10.18420/muc2017-mci-0367
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  Teistler, Michael
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  CIVU – Center for Interaction, Visualization and Usability
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  Fachbereich 3: Information und Kommunikation
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Mobiles Lernen - Effekte touch-basierter Interaktion auf Tablets beim Lösen räumlicher Aufgaben im Mathematikunterricht

Montag, M., Wetzel, S., Bertel, S., & Zander, S. (2017). Mobiles Lernen - Effekte touch-basierter Interaktion auf Tablets beim Lösen räumlicher Aufgaben im Mathematikunterricht. PAEPSY 2017. Münster, Germany.
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  Bertel, Sven
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  CIVU – Center for Interaction, Visualization and Usability
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  Fachbereich 3: Information und Kommunikation
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TouchScope: A Hybrid Multitouch Oscilloscope Interface

Heinz, M., Bertel, S., & Echtler, F. (2017). TouchScope: A Hybrid Multitouch Oscilloscope Interface. In Proceedings of the 19th ACM International Conference on Multimodal Interaction (S. 269–273). New York, NY, USA: Association for Computing Machinery. http://doi.org/10.1145/3136755.3136765

Abstract

We present TouchScope, a hybrid multitouch interface for common off-the-shelf oscilloscopes. Oscilloscopes are a valuable tool for analyzing and debugging electronic circuits, but are also complex scientific instruments. Novices are faced with a seemingly overwhelming array of knobs and buttons, and usually require lengthy training before being able to use these devices productively. In this paper, we present our implementation of TouchScope which uses a multitouch tablet in combination with an unmodified off-the-shelf oscilloscope to provide a novice-friendly hybrid interface, combining both the low entry barrier of a touch-based interface and the high degrees of freedom of a conventional button-based interface. Our evaluation with 29 inexperienced participants shows a comparable performance to traditional learning materials as well as a significantly higher level of perceived usability.
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  Bertel, Sven
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  CIVU – Center for Interaction, Visualization and Usability
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Strategies Used by Primary School Students During Physical Touch-Based Rotation

Wetzel, S., Zander, S., & Bertel, S. (2017). Strategies Used by Primary School Students During Physical Touch-Based Rotation. 17th Biennial Conference EARLI 2017. Tampere, Finland.
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  Bertel, Sven
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  CIVU – Center for Interaction, Visualization and Usability
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  Fachbereich 3: Information und Kommunikation
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"Not Another Z Piece!": Adaptive Difficulty in TETRIS

Spiel, K., Bertel, S., & Kayali, F. (2017). "Not Another Z Piece!": Adaptive Difficulty in TETRIS. In Proceedings of the 2017 CHI Conference on Human Factors in Computing Systems (S. 5126–5131). New York, NY, USA: Association for Computing Machinery. Abgerufen von https://doi.org/10.1145/3025453.3025721

Abstract

Difficulty in TETRIS is adjusted by adapting the speed with which blocks fall. In this contribution, we describe results of an exploratory study in which we investigated relationships between players performance and their subjective assessment of difficulty and fun. We tested five different algorithms that, instead of adjusting game speed, adjust difficulty by choosing blocks based on the current game state. With our results, we establish pile height and bumpiness as parameters that indicate the performance of a player during a live game, discuss the inherent difficulty of different block choosing algorithms and show how the relationship between fun and perceived difficulty varies for distinct player groups. With regard to adapting difficulty, we argue that one can still teach an old dog such a TETRIS a lot of new tricks.
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  Bertel, Sven
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  CIVU – Center for Interaction, Visualization and Usability
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A new 3D Interaction Concept for Radiological Image Analysis

Drude, C., Jordan, D., Müller, F., & Teistler, M. (2017). A new 3D Interaction Concept for Radiological Image Analysis. In Mensch und Computer 2017 - Tagungsband (S. 243–248). Regensburg: Gesellschaft für Informatik e.V. http://doi.org/10.18420/muc2017-mci-0365
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  Teistler, Michael
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  Fachbereich 3: Information und Kommunikation
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Rule-based machine translation in a student project.

Wittkowsky, M. (2016). Rule-based machine translation in a student project. European Academic Colloquium on Technical Communication. Berlin: European Association for Technical Communication – tekom Europe e. V. und Elisabeth Gräfe. Stuttgart: tcworld.

Abstract

This paper describes how MT is integrated into a course project in the Master programme of the International Technical Communication course of study at Flensburg University of Applied Sciences. The students who are participating in the MA programme can choose to study full-time or part-time, i.e. all courses are being taught as distance learning courses and in-class courses alternately. This concept is one of the reasons that the students are very different/diversified regarding their professional background, their age, years of working experience etc. Some students have already been working as translators for years or decades others have just finished a BA programme as a technical writer or translator, and again others have so far been working as engineers or teachers. This aspect produces very interesting comments in the chat room and/or in class as well as in the results of their work and in their final reports. An observation that one can make and that can be seen as a side-effect when students who have such varying curricula and different professions who are working together is, that their view onto the actual project work is fairly different as well. While technical writers nowadays have a focus on controlling the language prior to the actual writing process, technical translators do not have in mind that the source texts they have to use as working basis, follow any rules at all. This may be because of the negative experiences technical writers have made in the past regarding the quality of the source texts. However, this is an additional outcome of the course and mentioned here, yet it is not intended to be examined in detail in this article. The course project is based on the idea of combining controlled language and a pre-editing step in order to achieve an effective way to prepare contemporary technical documentation for rule-based machine translation (RBMT). I will explain what I mean by “contemporary” within the context of technical documentation and why this attribute plays an important role within the decision-making process to integrate CL, pre-editing and MT in the course project, which also includes practical exercises for the students. In addition, the reason why RBMT is the MT method chosen within the context of multilingual text production is explained.
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  Wittkowsky, Marion
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Typographie in der virtuellen Realität

Hamester, F., Süncksen, M., Reinhold, S., Schomakers, V., & Teistler, M. (2016). Typographie in der virtuellen Realität. In Mensch und Computer 2016 - Tagungsband. Aachen: Gesellschaft für Informatik e.V. http://doi.org/10.18420/muc2016-mci-0252
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  Teistler, Michael
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  Fachbereich 3: Information und Kommunikation
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