97828 research outputs found
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Measuring User Experience in Voice and Multimodal User Interfaces: Development, Validation, and Standardization of a Usability Scale for VUIs and a Context-Aware Usability Scale for Multimodal Interfaces
No full textCompendi d'articlesThis doctoral thesis enhances the usability and user experience (UX) of Voice and Multimodal User Interfaces (VUIs) through four core objectives. First, a systematic literature review maps the state of the art in VUI usability and UX, identifying six research themes and future directions. Second, the System Usability Scale (SUS) is evaluated for VUIs through empirical comparisons of Amazon Alexa and Google Nest devices and a cross-modality study versus graphical interfaces, confirming both its usefulness and limitations. Third, a dedicated and validated VUI usability questionnaire is developed to address conversational and auditory interaction needs. Fourth, the Context-Aware Usability Scale (CAUS) is introduced for multimodal in-vehicle systems, integrating contextual factors such as traffic, cognitive load, and environment. Additionally, an AI-augmented evaluation framework for healthcare interfaces demonstrates the value of sentiment analysis, eye-tracking, and confusion prediction. Overall, this work provides validated, context-aware tools for advancing VUI and multimodal usability research.Programa de Doctorat en Informàtic
La inoculación de la vacuna de la covid-19 en personas vulnerables en tiempos de la pandemia
No full textLa decisión sobre la inoculación de la vacuna del Covid-19 es una cuestión controvertida en el ámbito de las personas vulnerables, es decir, menores y, mayores con discapacidad cognitiva y volitiva. En el presente trabajo se abordan algunos aspectos no tenidos en cuenta por las resoluciones de Pleno del TC
Physical Interaction and Viewpoint Optimization in Active Video Games: A User Experience and f-Divergence-Based Approach
No full textCompendi d'articles, Doctorat internacionalThe incorporation of active technologies into video games has fostered the development of new forms of physical interaction, particularly in controlled environments such as treadmills. This thesis analyzes and proposes improvements to the user experience in running applications through exergames, without requiring additional hardware. First, different running applications that combine playful and athletic elements are compared, revealing that video games with narrative structures and interactive incentives elicit higher levels of immersion, competence, and flow than traditional simulators. Subsequently, the gameplay experience is evaluated when using the same exergame on the floor and on a treadmill. The results indicate that treadmill use increases the level of challenge and concentration while maintaining a positive experience in both conditions. Finally, an automatic model for viewpoint selection in three-dimensional environments is introduced, based on divergences from information theory. This approach enhances scene visibility and composition by dynamically and adaptively highlighting key elements. The results of this research contribute new strategies for optimizing both interaction and visualization in active video games, with potential applications in health, physical training, and extended reality.Programa de Doctorat en Informàtic
From Negative Knowledge to Best Practices for Enhancing Reusability of Sketches in Procedural 3D CAD Models
No full textThis paper contributes to advancing the quality of 3D procedural models by proposing practices based on the principle of “how to avoid doing it wrong” derived from analyzing negative knowledge in CAD modeling. The described framework adopts the three levels of quality identified in the literature—usability, reusability, and design intent richness—while focusing specifically on deriving best practices to prevent failures based on negative knowledge related to reusability. The framework is built on the premise that quality issues hindering reusability can be categorized into three interrelated but largely independent types, each affecting the sketches, datums, or features within a procedural model’s tree structure. In this work, the study of sketches is addressed. The negative impact of typical failures, identified through representative case studies that illustrate both design and redesign errors, is analyzed to extract best practices that ensure CAD model reusability. While this study results in a practical guide for avoiding sketch-related errors that compromise the reusability of CAD models, the main contribution lies in demonstrating a framework that transforms negative knowledge into effective best practices
Experiencias adversas en la infancia y su relación con el bienestar en jóvenes adultos: salud física y mental
No full textCompendi d'articlesLa presente tesis examina el impacto de las Experiencias Adversas en la Infancia (ACEs) sobre la salud física y mental durante la adultez emergente, considerando variables culturales y contextuales específicas de España y Latinoamérica. El Estudio 1 se centró en una muestra de jóvenes españoles, abordando el impacto de las ACEs sobre la salud física, un aspecto poco explorado en esta etapa vital. El Estudio 2 analizó la relación entre las ACEs, las estrategias de afrontamiento y la manifestación de rasgos psicopáticos y altruistas. Este estudio incorpora un enfoque innovador al considerar combinaciones específicas de ACEs en lugar de analizarlas de forma aislada. El Estudio 3 se desarrolló con una muestra de jóvenes latinoamericanos, ampliando el análisis hacia ACEs expandidas, que incluyen factores económicos y sociales relevantes en ese contexto. La tesis propone estrategias de intervención culturalmente sensibles, orientadas a la prevención y tratamiento del impacto adverso de las mismas.This thesis examines the impact of Adverse Childhood Experiences (ACEs) on physical and mental health during emerging adulthood, taking into account cultural and contextual variables specific to Spain and Latin America. Study 1 focused on a sample of Spanish young adults, addressing the impact of ACEs on physical health—an area that has received little attention during this life stage. Study 2 analysed the relationship between ACEs, coping strategies, and the manifestation of psychopathic and altruistic traits. This study adopts an innovative approach by considering specific combinations of ACEs rather than analysing them in isolation. Study 3 was conducted with a sample of Latin American young adults, expanding the analysis to include expanded ACEs, which take into account economic and social factors relevant to that context. The thesis proposes culturally sensitive intervention strategies aimed at preventing and addressing the adverse impact of such experiences.Programa de Doctorat en Estudis Internacionals de Pau, Conflictes i Desenvolupamen
Pseudopeptidic Coordination Polymers Based on Zirconium-Carboxylate Supramolecular Assemblies
No full textMimicking enzymes with new materials is a promising approach to improve efficiency and sustainability in heterogeneous catalysis. In this contribution, a family of coordination polymers based on N, N′-bis(amino acid)pyromellitic diimide linkers and Zr-oxo clusters has been assembled under solvothermal conditions in the presence of different acids (acetic, hydrochloric, and formic acid). The linker has been prepared from widely available amino acids and pyromellitic anhydride under microwave conditions. Different characterization techniques, such as NMR, Fourier transform infrared spectroscopy (FTIR), TGA, X-ray photoelectron spectroscopy (XPS), and scanning electron microscopy (SEM)/EDX, confirmed the formation of the pseudopeptidic (PSP) linkers and the subsequent formation of Zr-carboxylate bonds in the Zr-PSP coordination polymer, forming regular homogeneous nanoparticles with hybrid inorganic–organic composition. The PSPs have also been incorporated into defective UiO-67 crystals and employed as catalysts in the hydrolysis of p-nitrophenylacetate under mild conditions, exhibiting a correlation between porosity, residue volume, and activity.F.G.C. and N.M. acknowledge the “Ramon y Cajal” contract with code RYC2020-028681-I and RYC2021-033167-I, respectively, funded MCIN/AEI/10.13039/501100011033 and by “ESF investing in your future,” “European Union NextGenerationEU/PRTR.” This work has been partially supported by MICINN-FEDER-AEI 10.13039/501100011033 (PID2021- 124695OB-C22, PID2022-142897OA-I00), MCIN/AEI/10.13039/501100011033, and by the European Union Next Generation EU-PRTR (TED2021-129626B–I00 and TED2021-130288B–I00). F.G.C. thanks Generalitat Valenciana (CISEJI/2023/78). F.E. thanks the funding received from Fundación Ramón Areces and from the European Union’s Horizon 2020 research and innovation program under the Marie Skłodowska-Curie Individual Fellowships (GA no. 101151945). UJI is acknowledged for the project UJI-2023-03.Funding for open access charge: CRUE-Universitat Jaume
How does the work context impact us throughout life? A multilevel approach to the interaction between work context and age
No full textThe aging population presents a demographic challenge that necessitates a multidisciplinary approach. This demographic shift is also transforming the work domain. The age range within teams and organizations is broadening, resulting in increased diversity in experience, cultural values, strengths, and vulnerabilities that creates complex work scenarios that can affect organizational outcomes and workers’ well-being. Work and organizational researchers have contributed to disclose this challenge primarily by adopting a lifespan developmental approach, yielding valuable insights into the relationships between aging and work. However, research indicates that age alone, along with its associated changes, is not a sufficient explanation for these phenomena and additional factors must be considered. Particularly, there is a necessity of further research on the effects of work environment, as individuals’ lifespan changes that impact work-related outcomes, might be more or less adaptive depending on the work context. This dissertation aims to provide empirical evidence of cross-level interactive effects between age and teams' contextual features that might impact key work outcomes related to well-being and performance. Specifically, three contextual dimensions are studied in relation to age: first, teams' age diversity; second, contextual emotional job demands; and third, contextual role ambiguity. These interactions are examined in relation to three respective work outcomes: work performance, engagement, and burnout.Programa de Doctorat en Psicologi
On the Relative Contributions of National and Regional Institutions to Economic Development
No full textInstitutional quality is recognized as a fundamental driver of long-run growth (Acemoglu et al. 2005) and it has been widely studied at both country and regional levels in the economic growth literature. Nevertheless, the literature is scant on the question of how this relationship behaves when the hierarchical structure of regions and countries is considered. To fill this gap, we propose a novel approach to the question, relying on multilevel econometric techniques. We empirically analyze how much of the effect shown by institutional quality on regional economic development can be attributed to the quality of national institutions. We argue that ignoring the multilevel structure may lead to over-weighting the real influence of regional institutional quality and, conversely, under-weighting (or directly overlooking) the effect of the country's institutional quality on regional economic development. We present empirical evidence that the national institutional level outweighs the possible effect of lower government tiers have on a region's economic development.The authors also acknowledge the financial support of the Ministerio de Ciencia e Innovación y Universidades, MCIN/AEI/10.13039/501100011033, FEDER, UE (projects PID2020-115450GB-I00 and PID2023-148534NB-I00) and Generalitat Valenciana (HIECPU/2020/1 and PROMETEO CIPROM 2022/50).Funding for open access charge: CRUE-Universitat Jaume
EASYSPACE. Un espacio público empoderado desde la perspectiva sorda
No full textCotutelaEl 5% de la población mundial experimenta, durante su vida, problemas auditivos, agravado por factores ambientales. Aproximadamente 70 millones de personas son clínicamente "sordas", pero la sordera sigue considerándose una discapacidad invisible, por la falta de signos exteriores visibles y por la creencia de que las personas sordas carecen de necesidades particulares.
En los espacios de uso colectivo, estas personas viven una situación de exclusión, con numerosas barreras físicas, tecnológicas y arquitectónicas. Los responsables políticos y los diseñadores han descuidado históricamente sus necesidades, negándoles una participación plena en la sociedad y generando injusticias socioespaciales. Esta investigación se centra en la comunidad Sorda signante y parte del estudio del DeafSpace project. Se realizó trabajo de campo que incluyó entrevistas en vídeo en Lengua de Señas Italiana, y un documento fílmico. Se evidenciaron y escenificaron las peores prácticas de uso del espacio urbano desde la perspectiva de las personas Sordas.About 5% of the world’s population experiences hearing loss at some point in their lives, often worsened by environmental factors. An estimated 70 million people are clinically deaf, yet deafness remains an “invisible” disability—lacking visible signs and often misunderstood as not requiring specific accommodations. In public spaces, Deaf individuals face exclusion due to numerous physical, technological, and architectural barriers. Policymakers and designers have historically neglected their needs, limiting their participation in society and contributing to spatial and social injustices. This research focuses on the signing Deaf community and draws on the principles of the DeafSpace Project. Fieldwork included video interviews conducted in Italian Sign Language and the creation of a short film. The project highlighted and staged some of the most exclusionary practices in urban space, as seen from the perspective of Deaf users.Programa de Doctorat en Tecnologies Industrials i Material
De l’aula a l’emancipació conscient: gamificació per a una educació financera de caràcter sostenible en edat juvenil
No full textMàster Universitari en Professor/a d'Educació Secundària Obligatòria i Batxillerat, Formació Professional i Ensenyaments d'Idiomes. Codi: SAP229 Curs acadèmic: 2024-2025Aquest Treball de Fi de Màster s’emmarca dins la modalitat de projecte de millora educativa, i presenta sessions gamificades per l’educació financera crítica i sostenible per a l’alumnat de Formació Professional Bàsica (FPB) del cicle de Serveis Administratius. Respon a la necessitat d’una educació econòmica realista, significativa i alineada amb els Objectius de Desenvolupament Sostenible (ODS).
Els seus objectius són: oferir coneixements bàsics en finances personals, fomentar el consum responsable, promoure l’autonomia i la presa de decisions informades, i treballar valors com la responsabilitat i la solidaritat. A través de metodologies actives, es desenvolupen 10 sessions en tutoria, estructurades en tres blocs: consum crític, gestió econòmica i pensament crític.
La proposta incorpora una avaluació per blocs, coherent amb els objectius educatius i orientada al desenvolupament de competències clau. Amb aquesta millora s’espera aconseguir una formació econòmica integral en l’alumnat, per
al seu empoderament com a persones ciutadanes i consumidores crítiques, capaces d’afrontar una futura emancipació conscient.This Master's Thesis presents an educational improvement project aimed at integrating gamified, critical, and sustainable financial education into the Basic Vocational Training (FPB) program, specifically within the Administrative Services cycle. It responds to the need for a realistic and meaningful approach to economic education, aligned with the Sustainable Development Goals(SDGs).
The main objectives are to provide students with basic personal finance
knowledge, encourage responsible consumption habits, support autonomy and informed decision-making, and promote values such as responsibility and
solidarity. The proposal includes ten tutorial sessions structured into three
thematic blocks: critical consumption, economic management, and critical thinking.
Designed with active methodologies and a block-based evaluation system, this project supports the development of key competences. Ultimately, it seeks to empower students as conscious citizens and critical consumers,ready to manage their own financial futures and face independent living with awareness and confidence