3,042 research outputs found

    Undergraduate Catalog of Studies, 2023-2024

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    Graduate Catalog of Studies, 2023-2024

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    Graduate Catalog of Studies, 2023-2024

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    Conceptualising adolescents’ pro-environmental behaviour: an exploration in Cyprus with reference to Scotland

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    There is now a global ecological and environmental crisis of unprecedented magnitude, severity and scale, which threatens current and future generations’ well-being. Given the influence of human behaviour on the natural environment addressing current and future environmental issues requires changes in our behaviour. In order to enhance and promote pro-environmental behaviours, one must understand what determines and influences behaviour. This is especially important to consider in adolescents (12-19 years old) given that young people will become those responsible for future environmental protection and will be facing future environmental issues. Whilst previous studies, behavioural models and theoretical frameworks have identified a number of potential behaviour determinants and potential influences, there is still confusion in the literature regarding their definitions and their exact role in determining behaviour. Additionally, despite the successful application of behavioural models, complexities and interrelations between behaviour, determinants and influences have been identified complicating understanding. Also, differences in operationalisation and interpretation of models further complicate conclusions. To conceptualise adolescents’ pro-environmental behaviours, this research explored and evaluated adolescents’ pro-environmental behaviour and behaviour determinants (i.e., environmental attitudes and knowledge), their potential influences (i.e., nature and biodiversity perceptions, nature experiences, connections with nature and current and preferred environmental education practices) and identified potential relationships within and between them. This allowed for further insights regarding how these are understood, the incorporation and simultaneous exploration of a number of determinants and influences from different behavioural models and frameworks and also the exploration of relationships within and between models and frameworks and with pro-environmental behaviours enhancing our current understanding. This research adopted a multiple case study design approach in two different socio-cultural settings, Cyprus and Scotland, with a focus on Cyprus and employed mixed research methods in two data collection phases. Phase one explored and described phenomena in both Cyprus and Scotland. It involved group discussions with 24 groups of 4-8 adolescents, and used A2 posters as a discussion schedule on which participants recorded their ideas. Based on findings from phase one, phase two evaluated and explored phenomena in further depth and identified potential relationships between them. It involved questionnaires with adolescents (Scotland: N=40, Cyprus: N=475) and semi-structured interviews with 5 teachers in Cyprus. Phase two also involved the actualisation of adolescents’ environmental education preferences. This consisted of outdoor environmental education activities with adolescents (Scotland=1 group, Cyprus=7 groups) which were evaluated using questionnaires before and after they took place. Results provide support for previous scholars’ claims regarding the multidimensionality and complexity of pro-environmental behaviours and behaviour determinants whilst also indicating differences in variable aspects. Particularly, whilst some adolescents were able to identify pro-environmental behaviours, were concerned about issues, perceived issues as important and had some environmental knowledge, this was not true for everyone. Results also indicated differences in how often individuals undertake different behaviours, differences in perceptions regarding the importance of different issues, differences in attitudes towards different behaviours, differences in reasoning for being concerned and for undertaking the different behaviours. Moreover, results indicated a number of statistically significant relationships within and between some but not all behaviours and determinants. Additionally, results also provide support for previous scholars’ claims regarding the multidimensionality and complexity of potential influences and indicated the existence of relationships between aspects of the different influences and pro-environmental behaviour and behaviour determinants. With regards to nature perceptions the results indicated a focus on the absence of humans and differences in how different areas are perceived. For contact with nature, the results indicated differences in the levels of engagement with different outdoor areas and differing perceptions of whether nature can be experienced indoors. Results regarding nature connections, indicated strong personal nature connections and a negative relationship between humans and nature. The results also indicated a lack of environmental education courses undertaken by adolescents and as part of the Cyprus school curriculum, the consideration of courses such as Geography and Biology as environmental education courses and preferences by adolescents and educators regarding what environmental education practices should consist of. Additionally, results indicated a number of statistically significant relationships between pro-environmental behaviour, determinants and potential influences. Moreover, this research also indicated that designing environmental education activities based on adolescents’ preferences is achievable and the research’s approach can act as a methodological starting point for developing and evaluating future initiatives based on participatory approaches. The examination of adolescents’ and educators’ current and preferred environmental education practices allowed for the identification of several practice recommendations. Particularly, this research advocates (a) the incorporation of courses focused on environmental education in school curricula, reducing bureaucracy issues and dependence on teachers’ initiatives for course development; (b) the consideration of adolescents’ preferences and adolescents involvement in course design; (c) undertaking courses in both indoor and outdoor locales; (d) consideration of educators’ inputs when planning, and with regards to topic, locale and speaker selection; (e) the incorporation of hands-on, fun, interesting and researching activities and (f) the involvement of educators/speakers who are passionate, relatable and kind-hearted. This research advocates the unravelling and evaluation of the multidimensionality of behaviours, determinants and influences; the combination of behavioural models and frameworks and the evaluation of variables potential effects; and the use of socio-ecological frameworks to conceptualise pro-environmental behaviours in different contexts

    UMSL Bulletin 2022-2023

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    The 2022-2023 Bulletin and Course Catalog for the University of Missouri St. Louis.https://irl.umsl.edu/bulletin/1087/thumbnail.jp

    Undergraduate Catalog of Studies, 2022-2023

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    Stress detection in lifelog data for improved personalized lifelog retrieval system

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    Stress can be categorized into acute and chronic types, with acute stress having short-term positive effects in managing hazardous situations, while chronic stress can adversely impact mental health. In a biological context, stress elicits a physiological response indicative of the fight-or-flight mechanism, accompanied by measurable changes in physiological signals such as blood volume pulse (BVP), galvanic skin response (GSR), and skin temperature (TEMP). While clinical-grade devices have traditionally been used to measure these signals, recent advancements in sensor technology enable their capture using consumer-grade wearable devices, providing opportunities for research in acute stress detection. Despite these advancements, there has been limited focus on utilizing low-resolution data obtained from sensor technology for early stress detection and evaluating stress detection models under real-world conditions. Moreover, the potential of physiological signals to infer mental stress information remains largely unexplored in lifelog retrieval systems. This thesis addresses these gaps through empirical investigations and explores the potential of utilizing physiological signals for stress detection and their integration within the state-of-the-art (SOTA) lifelog retrieval system. The main contributions of this thesis are as follows. Firstly, statistical analyses are conducted to investigate the feasibility of using low-resolution data for stress detection and emphasize the superiority of subject-dependent models over subject-independent models, thereby proposing the optimal approach to training stress detection models with low-resolution data. Secondly, longitudinal stress lifelog data is collected to evaluate stress detection models in real-world settings. It is proposed that training lifelog models on physiological signals in real-world settings is crucial to avoid detection inaccuracies caused by differences between laboratory and free-living conditions. Finally, a state-of-the-art lifelog interactive retrieval system called \lifeseeker is developed, incorporating the stress-moment filter function. Experimental results demonstrate that integrating this function improves the overall performance of the system in both interactive and non-interactive modes. In summary, this thesis contributes to the understanding of stress detection applied in real-world settings and showcases the potential of integrating stress information for enhancing personalized lifelog retrieval system performance

    Blending the Material and Digital World for Hybrid Interfaces

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    The development of digital technologies in the 21st century is progressing continuously and new device classes such as tablets, smartphones or smartwatches are finding their way into our everyday lives. However, this development also poses problems, as these prevailing touch and gestural interfaces often lack tangibility, take little account of haptic qualities and therefore require full attention from their users. Compared to traditional tools and analog interfaces, the human skills to experience and manipulate material in its natural environment and context remain unexploited. To combine the best of both, a key question is how it is possible to blend the material world and digital world to design and realize novel hybrid interfaces in a meaningful way. Research on Tangible User Interfaces (TUIs) investigates the coupling between physical objects and virtual data. In contrast, hybrid interfaces, which specifically aim to digitally enrich analog artifacts of everyday work, have not yet been sufficiently researched and systematically discussed. Therefore, this doctoral thesis rethinks how user interfaces can provide useful digital functionality while maintaining their physical properties and familiar patterns of use in the real world. However, the development of such hybrid interfaces raises overarching research questions about the design: Which kind of physical interfaces are worth exploring? What type of digital enhancement will improve existing interfaces? How can hybrid interfaces retain their physical properties while enabling new digital functions? What are suitable methods to explore different design? And how to support technology-enthusiast users in prototyping? For a systematic investigation, the thesis builds on a design-oriented, exploratory and iterative development process using digital fabrication methods and novel materials. As a main contribution, four specific research projects are presented that apply and discuss different visual and interactive augmentation principles along real-world applications. The applications range from digitally-enhanced paper, interactive cords over visual watch strap extensions to novel prototyping tools for smart garments. While almost all of them integrate visual feedback and haptic input, none of them are built on rigid, rectangular pixel screens or use standard input modalities, as they all aim to reveal new design approaches. The dissertation shows how valuable it can be to rethink familiar, analog applications while thoughtfully extending them digitally. Finally, this thesis’ extensive work of engineering versatile research platforms is accompanied by overarching conceptual work, user evaluations and technical experiments, as well as literature reviews.Die Durchdringung digitaler Technologien im 21. Jahrhundert schreitet stetig voran und neue GerĂ€teklassen wie Tablets, Smartphones oder Smartwatches erobern unseren Alltag. Diese Entwicklung birgt aber auch Probleme, denn die vorherrschenden berĂŒhrungsempfindlichen OberflĂ€chen berĂŒcksichtigen kaum haptische QualitĂ€ten und erfordern daher die volle Aufmerksamkeit ihrer Nutzer:innen. Im Vergleich zu traditionellen Werkzeugen und analogen Schnittstellen bleiben die menschlichen FĂ€higkeiten ungenutzt, die Umwelt mit allen Sinnen zu begreifen und wahrzunehmen. Um das Beste aus beiden Welten zu vereinen, stellt sich daher die Frage, wie neuartige hybride Schnittstellen sinnvoll gestaltet und realisiert werden können, um die materielle und die digitale Welt zu verschmelzen. In der Forschung zu Tangible User Interfaces (TUIs) wird die Verbindung zwischen physischen Objekten und virtuellen Daten untersucht. Noch nicht ausreichend erforscht wurden hingegen hybride Schnittstellen, die speziell darauf abzielen, physische GegenstĂ€nde des Alltags digital zu erweitern und anhand geeigneter Designparameter und EntwurfsrĂ€ume systematisch zu untersuchen. In dieser Dissertation wird daher untersucht, wie MaterialitĂ€t und DigitalitĂ€t nahtlos ineinander ĂŒbergehen können. Es soll erforscht werden, wie kĂŒnftige Benutzungsschnittstellen nĂŒtzliche digitale Funktionen bereitstellen können, ohne ihre physischen Eigenschaften und vertrauten Nutzungsmuster in der realen Welt zu verlieren. Die Entwicklung solcher hybriden AnsĂ€tze wirft jedoch ĂŒbergreifende Forschungsfragen zum Design auf: Welche Arten von physischen Schnittstellen sind es wert, betrachtet zu werden? Welche Art von digitaler Erweiterung verbessert das Bestehende? Wie können hybride Konzepte ihre physischen Eigenschaften beibehalten und gleichzeitig neue digitale Funktionen ermöglichen? Was sind geeignete Methoden, um verschiedene Designs zu erforschen? Wie kann man Technologiebegeisterte bei der Erstellung von Prototypen unterstĂŒtzen? FĂŒr eine systematische Untersuchung stĂŒtzt sich die Arbeit auf einen designorientierten, explorativen und iterativen Entwicklungsprozess unter Verwendung digitaler Fabrikationsmethoden und neuartiger Materialien. Im Hauptteil werden vier Forschungsprojekte vorgestellt, die verschiedene visuelle und interaktive Prinzipien entlang realer Anwendungen diskutieren. Die Szenarien reichen von digital angereichertem Papier, interaktiven Kordeln ĂŒber visuelle Erweiterungen von UhrarmbĂ€ndern bis hin zu neuartigen Prototyping-Tools fĂŒr intelligente KleidungsstĂŒcke. Um neue DesignansĂ€tze aufzuzeigen, integrieren nahezu alle visuelles Feedback und haptische Eingaben, um Alternativen zu Standard-EingabemodalitĂ€ten auf starren Pixelbildschirmen zu schaffen. Die Dissertation hat gezeigt, wie wertvoll es sein kann, bekannte, analoge Anwendungen zu ĂŒberdenken und sie dabei gleichzeitig mit Bedacht digital zu erweitern. Dabei umfasst die vorliegende Arbeit sowohl realisierte technische Forschungsplattformen als auch ĂŒbergreifende konzeptionelle Arbeiten, Nutzerstudien und technische Experimente sowie die Analyse existierender Forschungsarbeiten

    Tradition and Innovation in Construction Project Management

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    This book is a reprint of the Special Issue 'Tradition and Innovation in Construction Project Management' that was published in the journal Buildings
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