El texto completo de este trabajo no está disponible en el Repositorio Académico UPC por restricciones de la casa editorial donde ha sido publicado. / The objective of this research is to assess the psychometric properties of the Connor-Davidson Resilience Scale (CD-RISC) in order to contribute to the literature identifying validated resilience measures in low-resource settings where individuals face significant adversity. This cross-sectional study included 789 adolescent mothers who delivered at a maternity hospital in Lima, Peru. The Spanish version of the 10-item CD-RISC was used to measure resilience. Internal consistency and construct validity were assessed by evaluating individual item characteristics as well as the association of CD-RISC score with symptoms of depression, anxiety and sleep disturbance. Exploratory factor analysis (EFA) was performed to test the factorial structure of the CD-RISC. The CD-RISC was found to have good internal consistency (Cronbach’s alpha = 0.85). CD-RISC scores were positively associated with school attendance, financial hardship, and history of childhood abuse; scores were negatively associated with household dysfunction, depression, anxiety and poor sleep quality. The results of the EFA showed that the CD-RISC contained a two-factor solution, which accounted for 46% of the variance. Overall, these findings suggest that the Spanish-language version of the CD-RISC-10 is an adequate measure of resilience in this population. Further research is needed to incorporate culturally-specific constructs into resilience measures. / National Institutes of Health / Revisión por pares

When the COVID-19 pandemic hit Europe in the beginning of 2020, a majority of countries reacted by closing their state borders. By drawing on concepts of border studies and border regional resilience, this thesis aims to examine the impact of the (im)mobility shock caused by the pandemic on two border twin cities in Europe. Through a qualitative approach, conducting semi-structured expert interviews and content analyses, the thesis attempts to identify (1) Which factors facilitated/obstructed the coping/adapting strategies to the problems caused by the pandemic induced state border closures; and (2) Which long-term effects the COVID-19 crisis will have on the future development of the border twin cities and whether their development path will transform into a more resilient one. The main finding of this thesis is that the crisis management on the local level was considerably limited by the restrictions enacted at the national level. To be better prepared for similar shocks, the border twin cities have already made plans based on their experience. However, it remains to be seen whether these strategies can contribute to the resilience of the cities. Nevertheless, coordination between the local, regional and national level is essential to plan and establish resilient border twin cities.

Background: COVID-19 has brought so many changes in the business environment and in the ways of doing business. Food retail companies in Sweden have been trying to cope with the changes and challenges and have made necessary decisions to become resilient. It is in their urge to become resilient; however, the implementation is arduous at times. Purpose: The purpose of the thesis is two-folded. One is to know the supply chain inefficiencies, and the other is to understand how the inefficiencies can be mitigated through the actions of the supply chain professionals. Method: Semi-structured questions have been asked in the interviews to gather in-depth insights from the industry expert. The interviews were taken from the branch managers of food retail stores in Sweden. The analysis has been done based on the content analysis. Findings: Content analysis assisted the emergence of the factors. It was done by analyzing the quotes from the branch managers. Therefore, the relationship between the characteristics and the RBV theory has been scrutinized. Conclusion: The purpose of the thesis was to find the inefficiencies of the food retail supply chain in pandemic times. Also, it was to find the solution about how the supply chain inefficiencies can be tackled to ensure supply chain resilience in the food retail stores in Sweden. For that purpose, data have been collected right from the field where the action takes place, and therefore, the data have been analyzed. Hence, the problems have been found, and the solutions have been recommended.

Syftet med den kvantitativa enkätstudien, baserad på 135 universitets-studenter, var att försöka identifiera faktorer som kan predicera akademiska prestationer bland universitetsstudenter. Hypotesen var att det finns ett positivt samband mellan studenterna studieprestationer och deras akademiska self-efficacy, akademiska motivation och resilience coping, samt ett negativt samband mellan stress och studieprestationer. För att mäta akademisk self-efficacy användes instrumentet Academic Self-Efficacy and Efficacy for Self-Regulated Learning, akademisk motivation mättes med Academic Motivation Scale - University Version. Stress mättes med Cohens Perceived Stress Scale och resilience coping mättes med Brief Resilience Coping Scale. Svaren analyserades i statistikprogrammet Jamovi med en korrelationsanalys, Spearman’s rho, samt en multipel linjär regressionsanalys. Därtill utfördes en hierarkisk regressionsanalys för att uppskatta faktorernas värde. Resultatet visade att det finns ett signifikant positivt samband mellan en hög grad av akademisk self-efficacy och studieprestation. Det fanns även ett negativt samband mellan stress samt amotivation gentemot studieprestation. Sammanfattningsvis konstateras genom interaktionseffekten mellan faktorerna akademisk self-efficacy, stress och amotivation att studenter som redovisar en hög akademisk self-efficacy i kombination med låg eller måttlig stress samt låga nivåer av amotivation predicerar bättre studieprestationer. / The purpose of the quantitative questionnaire study, based on 135 university students, was to try to identify factors that can predict academic performance among university students. The hypothesis was that there is a positive relationship between students' academic performance and their academic self-efficacy, academic motivation and resilience coping, and a negative connection between stress and study performance. To measure academic self-efficacy, the instrument Academic Self-Efficacy and Efficacy for Self-Regulated Learning was used, academic motivation was measured with the Academic Motivation Scale - University Version. Stress was measured with the Cohen's Perceived Stress Scale and resilience coping was measured with the Brief Resilience Coping Scale. The responses were analyzed in the statistics program Jamovi with a correlation analysis, Spearman's rho, and a multiple linear regression analysis. In addition, a hierarchical regression analysis was performed to estimate the value of the factors. The results showed that there is a significant positive relationship between a high degree of academic self-efficacy and academic performance. There was also a negative relationship between stress and motivation towards study performance. In summary, the interaction effect between the factors academic self-efficacy, stress and amotivation states that students who report a high academic self-efficacy in combination with low or moderate stress and low levels of amotivation predict better academic performance.

Purpose: The pursuance of the sustainable development goals, introduced by the United Nations in2015, is of absolute necessity to build a sustainable future. Resilience-based crisis management helps tosustain an organisation and pursue its goal during crises. The aim of this research was to explore thestatus quo of resilience-based crisis management within public primary- and secondary schools in theNetherlands during school closures due to the COVID-19 pandemic. Furthermore, the aim was todiscover which measures were in place to safeguard the provision of SDG 4. The exploration took placeto observe the adaptation capabilities within the educational sector, which could safeguard the provisionof SDG 4. Methodology: The aim was pursued by a qualitative approach. 17 semi-structured interviews with 18people were conducted during the time of the immediate Coronavirus crisis. All interviewees heldpositions within the crisis management of primary- and secondary schools in the Netherlands. Theinterviews were then analysed by the two researchers using thematic content analysis. Results: The results suggest that:(a) Crisis management structures in the schools foster resilience, yet, leave room for improvement;(b) Crisis management processes to foster resilience are present in the schools, however, the extentvaries and especially the pre-crisis actions were limited;(c) The sustainable development goals, especially the content of SDG 4, are little known in the schools;(d) Actions and measures to provide equitable and qualitative education during the temporary schoolclosures are in place. Implications: This research adds to the young field of crisis management within schools during schoolclosures as well as the provision of SDG 4 during crises through resilience-based crisis management.Since this research is of exploratory nature, many future research opportunities derive from this research.Furthermore, it discovered the strengths and challenges of the Dutch primary and secondary educationsector and gives room for development through education on SDG 4 and resilience-based crisismanagement.

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The objective of this proposed research is to test whether interorganizational collaboration contributes to the ability of an organization to bounce back swiftly from disasters. The research questions are examined from the Institutional Collective Action (ICA) perspective. The general argument of this dissertation is that organizational resilience can be explained by interorganizational collaboration. The ICA framework, specifically, identifies two general network structures to explain strategies that can be adopted to minimize collaboration risks: bonding and bridging structures. This dissertation focuses on how governmental and nongovernmental organizations in South Korea collaborated. The data was collected from the southeastern tip of the Korean Peninsula in August of 2012, and January of 2013. The 2012 Typhoons devastated the area after the first data set was collected in August 2012, causing the loss of estimated US$ 730 million and 29 fatalities. Afterward, the second survey was administrated in January of 2013 to gauge respondents’ views on how organizations responded to the disasters. This dissertation consists of three essays. The first essay presents a brief overview and assessment of the current research on resilience. The second essay empirically tests the sources of organization resilience. The third essay examines the dynamic nature of interorganizational ties by employing stochastic actor-based models. The findings show how organizations prefer to not coordinate with other organizations even though this could reduce their strains during a disaster. The findings also suggest that organizations that operate in higher risk areas or participate in joint full-scale exercises before a disaster form interorganizational ties afterward.

I dagens samhälle ser vi att kvantiteten av kriser ökar. Små och medelstora företag är den kategori av företag som drabbas värst och därav har intresset för entreprenöriell resiliens inom forskning ökat. Kunskapen kring entreprenöriell resiliens i små och medelstora företag är fragmenterad och illa definierad. Syftet med denna studie är att utveckla förståelsen om entreprenöriell resiliens genom att studera de aktiviteter små och medelstora företag inom detaljhandeln i Skaraborg genomför på grund av en finansiell konjunkturnedgång. Studien ämnar bidra med förståelse och förklaring av de aktiviteter företag arbetar med för att skapa entreprenöriell resiliens i små och medelstora företag inför och under en finansiell konjunkturnedgång. Studien har genomförts genom ostrukturerade intervjuer med företagsledare i små och medelstora företag inom detaljhandeln. Studien visar vikten av både preventivt och adaptivt arbete för att stärka motståndskraften i små och medelstora företag inför och under en konjunkturnedgång. Studien belyser också vikten av erfarenhet och lärande inom organisationen vilket utgör en grund för företagens arbete med entreprenöriell resiliens. Studien indikerar hur erfarenhet av tidigare hantering av konjunkturnedgångar påverkar dagens aktiviteter i företaget. Undersökningens resultat visar att entreprenöriell resiliens är en ständigt pågående process. / In today's society, we observe an increasing number of crises. Small and medium-sized enterprises are the business category most adversely affected, which is why interest in researching entrepreneurial resilience has grown. However, knowledge about entrepreneurial resilience in small and medium-sized enterprise remains fragmented and poorly defined. The purpose of this study is to enhance our understanding of entrepreneurial resilience by studying the activities of small and medium-sized enterprises within the retail sector in Skaraborg due to a financial economic downturn. The study aims to contribute to our comprehension and explanation of the strategies employed by companies to foster entrepreneurial resilience before and during such downturns. The study employed unstructured interviews with business leaders from small and medium-sized enterprises in the retail sector. The findings underscore the significance of both preventive and adaptive measures in strengthening the resilience of enterprises prior to and during economic downturns. Additionally, the study emphasizes the value of experience and organizational learning as foundations for companies' efforts to cultivate entrepreneurial resilience. The study indicates that past experiences of managing economic downturns influence present-day activities within companies. The survey results demonstrate that entrepreneurial resilience is an ongoing process.

Indiana University-Purdue University Indianapolis (IUPUI) / Sexual behaviors in adolescence establish the initial resources an individual carries into sexual relationships in adulthood. Current definitions of sexual resilience in adolescence are defined from a negative, risk-based lens. Resilience theory, more generally defined, considers both internal and external factors that promote adaptation to challenging situations. A direct, capital-based approach to studying adolescent sexual resilience has not been found in the extant literature and I propose that a new, more inclusive definition of sexual resilience in adolescence will be more strongly correlated with sexual health in young adults than the risk-based definition. This study creates mutually exclusive risk-based and capital-based measures of adolescent sexual resilience and examines their associations with sexual health outcomes in young adulthood. The data did not produce significant findings, yet descriptive results provide direction for future research. Research in this area is of critical importance as adolescence and young adulthood are unique life stages that involve significant development in areas that influence health, both short and long term. This research, through a proper resilience lens, will better guide adolescent sexual education to develop internal resources as well as provide adequate external resources for adolescents that promote better sexual health and agency outcomes in adulthood.

Critical Infrastructure Systems (CISs) are key for providing essential services and managing critical resources. The failure of one CIS can result in severe consequences on national security, health & safety, the environment, social well-being, and the economy. However, CISs are inherently complex, operating as systems-of-systems with dynamic, non-linear, and uncertain operation conditions, all geared towards fulfilling complex operational objectives. The complexity of both system architecture and operational objectives contributes to challenges in comprehending system-level behavior under normal and disruptive conditions. CISs are also highly exposed to multi-hazard environments characterized by probabilistic behaviors that can impact one or more system components—leading to diverse system failure modes. Understanding the dynamic interaction between hazards and the system response in such environments adds another layer of complexity to CISs safety. Addressing such complexity is crucial and it necessitates thorough investigations to ensure the continuous and reliable operation of CISs. Accordingly, the main objective of this thesis is to develop dynamic resilience quantification approaches for CISs in multi-hazard environments, considering the probabilistic behavior of both the hazard and the system. Given that dam infrastructure is one of the most significant CISs, this thesis employs an actual dam system as a demonstration application for the developed models. Nonetheless, it should be emphasized that the thesis focuses on the generalizability of the developed model to the CISs rather than the specificities related to dam systems, which are adopted herein merely to show the utility of the developed models to complex CISs. Specifically, this thesis first employs a meta-research approach (Chapter 2), using text analytics, to conduct a quantitative and qualitative review of extensive prior research focused on CISs operational safety, considering dam and reservoir systems as one of the key CISs. Such meta-research aims to unveil latent topics in the field and identify key opportunities for future research, particularly in addressing limitations associated with existing risk-based and resilience-based safety assessment approaches for CISs. To overcome such limitations, this thesis (Chapter 3) subsequently developed a coupled Continuous-Time Markov Chain and Bayesian network, facilitating the dynamic quantification of CISs failure risk (propagation of the system's probability of failure with time), considering the temporal variation of uncertainties in system components during operations. Starting from where the risk-based assessment ends (the immediate response of the system at the hazard realizations), resilience-based assessment focuses more on the dynamic system functionality gain/reduction and, subsequently, the system deterioration and recovery rates following hazard realizations. Accordingly, this thesis (Chapter 4) presents a resilience-centric System Dynamics simulation modeling approach capable of representing CISs components, estimating their dynamic system performance, and subsequent dynamic resilience (propagation of the system resilience with time). Such a modeling approach proposes a combinatorial procedure for generating multi-hazard scenarios, encompassing both natural and anthropogenic hazards, where one primary hazard can trigger one or more subsequent hazards. As a result, the developed models can investigate system operations under both single and multi-hazard environments. Furthermore, the coupling between System Dynamics and Monte Carlo simulations (Chapter 5) enables the model to seamlessly incorporate the probabilistic behaviors of both multi-hazard and system responses. The developed approaches can provide the decision-makers with a more detailed system representation that includes probabilistic dynamic system components with multi-operational objectives under probabilistic multi-hazard environments (Chapter 6). Moreover, the developed models can introduce more realistic evaluations for risk-adaptive and mitigation plans in real-time, contributing to more efficient safety assessment plans for the CISs. / Thesis / Doctor of Philosophy (PhD) / Critical infrastructure systems (CISs) play pivotal roles in delivering and supporting the essential needs of our daily lives. However, ensuring the safety of CISs poses layered challenges due to the complexity of their systems and operations, compounded by their susceptibility to multi-hazard environments, all with probabilistic behaviors. Recognizing the criticality and safety obstacles associated with CISs, this thesis introduces dynamics resilience quantification approaches for CISs safety based on a holistic system dynamics representation. The developed models are designed to enhance understanding of the system's performance under multi-hazard disruption conditions, considering the probabilistic behavior of both hazards and system response. Moreover, these models yield resilience-based metrics, allowing for the evaluation of the effectiveness of various risk mitigation plans, which would subsequently lead to more reliable safety assessment plans for CISs. Considering that dam infrastructure is a key CISs, this thesis focuses on the former as a demonstration application to show the developed models’ utility and their efficiency in devising resilience-guided assessment plans for CISs.