Zahn, Carmen
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Digital video tools to support conceptual understanding and creative learning in individuals and groups
2019-08-23, Ruf, Alessia, Zahn, Carmen
Do you see us? Applied visual analytics for the investigation of group coordination
2019-02-18, Rack, Oliver, Zahn, Carmen, Bleisch, Susanne
Group coordination is a relevant prerequisite for understanding the effectiveness of groups. But, contrary to the large number of empirical studies, only a few studies concentrate on the development of analysis methods of coordination in groups. Hence, the purpose of this paper is to give a summary of the opportunities and limitations of common methods for capturing group coordination in applied field settings and to outline how visual analytics approaches might add to the common methods. Based on two illustrated visual analytics implementation examples—1) coordination and movements of soccer players, and 2) spatio-temporal event data—the potential of visual analytics approaches is identified for studying a greater variety of types of group coordination, and to consider the multifaceted nature of group processes in order to go beyond traditional coding processes.
Forschungsresultate zum Stand der Arbeitswelt 4.0
2019, Peter, Marc K., Ruf, Alessia, Zahn, Carmen, Peter, Marc K.
A model for designing hypervideo-based instructional scenarios
2018-06-08, Cattaneo, Alberto A. P., van der Meij, Hans, Aprea, Carmela, Sauli, Florinda, Zahn, Carmen
Do you see us?—Applied visual analytics for the investigation of group coordination
2019-03-18, Rack, Oliver, Zahn, Carmen, Bleisch, Susanne
Collaboration on large interactive displays: a systematic review
2019, Zahn, Carmen, Mateescu, Magdalena, Pimmer, Christoph, Klinkhammer, Daniel, Reiterer, Harald
Large Interactive Displays (LIDs), such as tabletops or interactive walls, are promising innovations, which are increasingly used to support co-located collaboration. Yet the current evidence base on the impact of LID use on collaborative processes and outcomes, and associated influencing factors, is fragmented, particularly in comparison with other media. To address this gap, a systematic review was carried out in the databases Web of Science, Psych.Info, ACM, Elsevier, JSTOR and Springer and in the ACM CHI conference database. A corpus of 38 articles with experimental study designs met the eligibility criteria and was analyzed in-depth. With regard to collaboration processes, the findings suggest a relatively clear advantage of the use of LIDs over classic forms of collaboration, in particular over single-user environments (e.g. laptops). With attention to collaborative outcomes, positive effects of LIDs were identified for knowledge gains and social encounters, and mixed effects for task-related outcomes. The analysis further shows relevant influencing factors of LID, such as the separation of personal and joint work spaces and the deployment of horizontal instead of vertical displays. Conceptual and practice implications are discussed.
Do you see us? Video Analysis in Research on Computer -Supported Collaborative Learning (CSCL)
2019-03-05, Zahn, Carmen
Forschungsresultate zum Stand der Arbeitswelt 4.0
2019, Peter, Marc K., Ruf, Alessia, Zahn, Carmen, Peter, Marc K.
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