Schwaninger, Adrian
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Schwaninger, Adrian
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- PublikationVideo demonstrations can predict the intention to use digital learning technologies(Wiley, 21.01.2023) Sprenger, David; Schwaninger, Adrian [in: British Journal of Educational Technology]The technology acceptance model (TAM) uses perceived usefulness and perceived ease of use to predict the intention to use a technology which is important when deciding to invest in a technology. Its extension for e-learning (the general extended tech-nology acceptance model for e-learning; GETAMEL) adds subjective norm to predict the intention to use. Technology acceptance is typically measured after the technology has been used for at least three months. This study aims to identify whether a minimal amount of exposure to the technology using video demonstrations is sufficient to predict the intention to use it three months later. In two studies—one using TAM and one using GETAMEL—we showed students of different cohorts (94 and 111 participants, respectively) video demonstra-tions of four digital technologies (classroom response system, classroom chat, e-lectures, mobile virtual real-ity). We then measured technology acceptance imme-diately after the demonstration and after three months of technology use. Using partial least squares model-ling, we found that perceived usefulness significantly predicted the intention to use three months later. In GETAMEL, perceived usefulness significantly predicted the intention to use for three of the four learning technol-ogies, while subjective norm only predicted the inten-tion to use for mobile virtual reality. We conclude that video demonstrations can provide valuable insight for decision-makers and educators on whether students will use a technology before investing in it.01A - Beitrag in wissenschaftlicher Zeitschrift
- PublikationPoster Presentation of Project Examples in the Field of Artificial Intelligence(17.11.2022) Schwaninger, Adrian; Sterchi, Yanik; Wäfler, Toni; Renggli, Philipp; Rack, Oliver; Bleisch, Susanne; Paneth, Lisa; Jeitziner, Loris Tizian; Gasparik, Matus; Zahn, Carmen06 - Präsentation
- Publikation3D imaging for hold baggage screening: The relevance of rotation and slicing functions(06.09.2022) Merks, Sarah; Sauer, Juergen; Schwaninger, Adrian06 - Präsentation
- PublikationField study regarding the work duration for the visual inspection of X-ray images of passenger baggage(06.09.2022) Sterchi, Yanik; Buser, Daniela; Sauer, Juergen; Schwaninger, Adrian06 - Präsentation
- PublikationThe occurrence of miscues by decision support systems: A study with airport security screeners supported by automated explosives detection systems for cabin baggage screening(06.09.2022) Hügli, David; Chavaillaz, Alain; Sauer, Juergen; Schwaninger, Adrian06 - Präsentation
- PublikationX-ray baggage screening performance in different work environments - a field study comparing remote screening and screening at the lane(06.09.2022) Latscha, Marius; Sterchi, Yanik; Sauer, Juergen; Schwaninger, Adrian06 - Präsentation
- PublikationExploring the effects of segmentation when learning with Virtual Reality and 2D displays: a study with airport security officers(09/2022) Kaufmann, Kaspar; Wyssenbach, Thomas; Schwaninger, Adrian06 - Präsentation
- PublikationHow realistic is threat image projection for X-ray baggage screening?(MDPI, 13.03.2022) Riz à Porta, Robin; Sterchi, Yanik; Schwaninger, Adrian [in: Sensors]At airports, security officers (screeners) inspect X-ray images of passenger baggage in order to prevent threat items (bombs, guns, knives, etc.) from being brought onto an aircraft. Because threat items rarely occur, many airports use a threat-image-projection (TIP) system, which projects pre-recorded X-ray images of threat items onto some of the X-ray baggage images in order to improve the threat detection of screeners. TIP is regulatorily mandated in many countries and is also used to identify officers with insufficient threat-detection performance. However, TIP images sometimes look unrealistic because of artifacts and unrealistic scenarios, which could reduce the efficacy of TIP. Screeners rated a representative sample of TIP images regarding artifacts identified in a pre-study. We also evaluated whether specific image characteristics affect the occurrence rate of artifacts. 24% of the TIP images were rated to display artifacts and 26% to depict unrealistic scenarios, with 34% showing at least one of the two. With two-thirds of the TIP images having been perceived as realistic, we argue that TIP still serves its purpose, but artifacts and unrealistic scenarios should be reduced. Recommendations on how to improve the efficacy of TIP by considering image characteristics are provided.01A - Beitrag in wissenschaftlicher Zeitschrift
- PublikationAutomatisierte Sprengstofferkennung von 2D Röntgensystemen mit multi-view Technologie: gehört das Entfernen von elektronischen Gegenständen aus dem Handgepäck bald der Vergangenheit an?(04.03.2021) Hügli, David; Merks, Sarah; Schwaninger, Adrian06 - Präsentation
- PublikationRelevance of visual inspection strategy and knowledge about everyday objects for X-ray baggage screening(IEEE, 07.12.2017) Sterchi, Yanik; Hättenschwiler, Nicole; Michel, Stefan; Schwaninger, Adrian [in: 2017 International Carnahan Conference on Security Technology (ICCST)]04B - Beitrag Konferenzschrift