Auflistung nach Autor:in "Marra, Konstantina"
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- TextdokumentExit Violence: Comparing Usability of Physical and Visual Alarm Buttons in SOS App in the Context of Domestic Violence(Mensch und Computer 2023 - Workshopband, 2023) Sarkar, Nabanita; Marra, Konstantina; Osipova, MargaritaThis study investigated the effectiveness of SOS apps in supporting domestic violence victims, specifically examining the activation process through visual user interface (UI) and physical UI. Using a roleplay method and interviews, participant preferences and behaviours were assessed. Participants used an Android phone with an SOS app, activating it through either visual UI or physical UI. While participants displayed similar behaviours and visually focused on the screen for both methods, a strong preference for the physical UI was observed. Despite no significant behavioural differences, participants expressed higher satisfaction and perceived efficacy with the physical UI.
- WorkshopbeitragPhysicalising Energy Usage of Living Spaces(Mensch und Computer 2024 - Workshopband, 2024) Marra, Konstantina; Sungur, Melek; Rahnamae, Negar; van Koningsbruggen, Rosa DonnaTypically, energy consumption is recorded through a series of measurements, and while the potential impacts of it are discussed, the interconnection between causes and effects is often not clearly illustrated. Our project focuses on representing household energy consumption through data physicalisation and Augmented Reality. The demo consists of a studio maquette containing four household electronic devices: a laptop, washing machine, fridge, and lamp. The energy consumption of these devices is represented through the brightness of the device. To enhance the viewer's experience and show, we use AR storytelling to show the impact of this data on the climate. Motivating the user to make positive improvement to their household energy consumption behaviour.
- KonferenzbeitragShining a Light on Energy Use: Combining AR and Physicalisation to Represent Household Energy Consumption(Mensch und Computer 2024 - Workshopband, 2024) Sungur, Melek; Rahnamae, Negar; Marra, Konstantina; van Koningsbruggen, Rosa; Hornecker, EvaTypically, energy consumption is recorded through a series of measurements, and while the potential impacts of it are discussed, the interconnection between causes and effects is often not clearly illustrated. Our project focuses on representing household energy consumption through data physicalisation and Augmented Reality. The demo consists of a studio maquette containing four household electronic devices: a laptop, washing machine, fridge, and lamp. The energy consumption of these devices is represented through the brightness of the device. To enhance the viewer’s experience and show, we use AR storytelling to show the impact of this data on the climate. Motivating the user to make positive improvement to their household energy consumption behaviour.
- WorkshopThe Urban Future is Now: Uniting Powers for Inclusive and Sustainable Design of Smart Cities(Mensch und Computer 2024 - Workshopband, 2024) Osipova, Margarita; Marra, Konstantina; Aal, Tanja; Aal, Konstantin; Hornecker, Eva; Hespanhol, LukeThe rapid urbanisation and smartization of the world brings challenges of designing urban futures that contribute to a sustainable and inclusive city environment. Additional complexity arises from space and infrastructure constraints, the diverse user range and involvement of multiple stakeholders in the design process. While these technologies -- once created -- would shape the future of cities and human- and non-human-citizens in the long run, we identify a lack of experience and knowledge exchange in the respective community regarding the addressing of smart city challenges from more than purely technical or topic-specific perspectives. With this workshop, we aim to gather researchers and practitioners from the fields of Urban Informatics, Smart Urbanism, and Human-Computer Interaction to openly share experiences and to outline the design challenges that should be addressed first, with the values of sustainability and inclusion as objectives for smart urban futures.