Logo des Repositoriums

Auflistung nach Autor:in "Bejan, Alexander"

1 - 3 von 3
  • Konferenzbeitrag
    UX-Evaluationen in der Erinnerungspflege bei Demenz
    (Mensch und Computer 2018 - Workshopband, 2018) Huber, Stephan; Bejan, Alexander; Radzey, Beate; Berner, Renate; Murko, Patrizia; Hurtienne, Jörn
    Gängige Methoden zur Messung der User Experience während der Nutzung sind aufgrund kognitiver Einschränkungen nicht im Kontext Demenz anwendbar. In diesem Beitrag berichten wir von Feldtests einer Smartwatch-App, die es Evaluatoren erlaubt, beobachtete Emotionen zeitnah zu dokumentieren. Explorative Feldstudien zeigen, dass Proxemo generell für Evaluationen in der Erinnerungspflege geeignet ist und von Evaluatoren gegenüber Notizen auf Papier bevorzugt wird. Die Auswahl der Emotionen und der Einsatz für Gruppensitzungen sind noch optimierbar.
  • Konferenzbeitrag
    Virtual Reality in Health Care Education: A Study about the Effects of Presence on Acceptance and Knowledge Improvement among Health Care Students
    (DELFI 2020 – Die 18. Fachtagung Bildungstechnologien der Gesellschaft für Informatik e.V., 2020) Plotzky, Christian; Lindwedel-Reime, Ulrike; Bejan, Alexander; König, Peter; Kunze, Christophe
    With an ever-increasing need of skilled healthcare workers, efficient learning methods like Virtual Reality are becoming increasingly important. A VR simulation for endotracheal suction intervention was developed and tested. The aim of this pilot study is to examine the VR simulation’s acceptance and knowledge improvement. Furthermore, the effect of presence on acceptance and knowledge improvement was investigated. A total of 51 students participated in the pilot study, using pre-post-test design. A modified Unified Theory of Acceptance and Use of Technology (UTAUT) and Igroup Presence Questionnaire (IPQ) were used. Correlation and regression analysis were performed. Pre- and post-tests showed a significant knowledge improvement (p<0.001). Correlation between presence and behavioural intention was highly positive (r=0.52, p<0.001). Performance and effort expectancy are dominant in effect on behavioural intention of using VR learning simulation. The results indicate that a simulation, which conveys a higher sense of presence, is more likely to be accepted.
  • Zeitschriftenartikel
    Virtual Reality in Healthcare Skills Training: The Effects of Presence on Acceptance and Increase of Knowledge
    (i-com: Vol. 20, No. 1, 2021) Plotzky, Christian; Lindwedel, Ulrike; Bejan, Alexander; König, Peter; Kunze, Christophe
    With an ever-increasing need of skilled healthcare workers, efficient learning methods like Virtual Reality (VR) are becoming increasingly important. We developed and tested a VR simulation for endotracheal suctioning. The aim of this pilot study was to examine the VR simulation’s acceptance and increase of knowledge among participants. Furthermore, the effects of presence on acceptance and increase of knowledge were investigated. A total of 51 students participated in the pilot study, using a quasi-experimental pre-post-test design. A modified Unified Theory of Acceptance and Use of Technology (UTAUT) and the Igroup Presence Questionnaire (IPQ) were used. Correlation and regression analyses were performed. Pre- and post-tests showed a significant increase of knowledge (p < 0.001). The correlation between presence and behavioural intention was highly positive (r = 0.52, p < 0.001). Performance and effort expectancy are dominant effects on behavioural intention of using the VR simulation as an educational tool. The results indicate that a simulation which conveys a higher sense of presence is more likely to be accepted by learners. Regarding outcomes of presence on increase of knowledge, we found no significant correlation. Based on our study, we propose a design for a future mixed reality simulation with haptic elements and a plan on how to assess skills improvement.