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The purpose of this sequential mixed-methods study was to explore the feelings, thoughts, critical incidents, and coping mechanisms of female high school principals and their experiences with the impostor phenomenon. A hierarchical multiple regression revealed that none of the demographic factors such as number of years as a head high school principal, age, percentage of female high school principals in the district, race/ethnicity, marital status, mentorship status, and community type, were statistically significant predictors of the varying levels of the impostor phenomenon. Eighteen female principals who represented an array of backgrounds and impostor phenomenon experiences were subsequently interviewed. The interviews were evaluated using interpretative phenomenological analysis. Seven themes, including several subthemes, emerged from the data. The themes were (1) childhood socialization, including the subthemes of gender roles, familial support, and early experiences of exclusion; (2) transitional uncertainty, including hiring self-doubt, school politics, and pressure to turn around a school; (3) the principalship, including relational leadership, constant pressure, and loneliness of the position; (4) critical incidents of the impostor phenomenon, including the subthemes of lack of experience, external criticism, and self-doubt; (5) gender issues, including a male dominated position, emotional capacity, and physical appearance, (6) coping strategies for the impostor phenomenon, including mentorship and peer support, family support, and self-talk; and (7) combating the impostor phenomenon, including proven success, dismissing criticism through confidence, overcoming controversy and religion or spirituality. The results of this study suggest that mentorship, role models, familial support, and developing self-confidence can help alleviate the negative effects of the impostor phenomenon. It is recommended that educational leadership preparation programs educate students about the impostor phenomenon in an effort to normalize how they view themselves at various transitional phases of their career while offering supports to help them combat potential feelings of self-doubt that may arise as they progress through their careers.

En el Perú, existe una gran necesidad de reducir el impacto de los desastres naturales ocasionados por el fenómeno El Niño, ya que genera cuantiosas pérdidas, algunas pueden ser tanto humanas como materiales. Este evento hidro-climático, que azotó al país por última vez en el año 2017, evidenció que no existen soluciones tecnológicas para reducir las consecuencias de este tipo de acontecimientos. Por tal motivo, el presente proyecto pretende, analizar los principales peligros e impacto de los desastres naturales del fenómeno “El Niño” en el Perú, la aplicación de las TIC que hoy en día se utilizan en la gestión de desastres naturales, el diseño de un catálogo de soluciones tecnológicas incluyendo para cada una su arquitectura física y el costo aproximado de implementación, la validación de las soluciones tecnológicas a través de expertos en desastres climatológicos e investigación tecnológica, y por último, definir una hoja de ruta para la implementación de las soluciones tecnológicas propuestas. Se espera que el catálogo ayude a las entidades peruanas públicas o privadas, encargadas de la gestión de desastres naturales, a poner en marcha soluciones TIC que supongan una mejora y un mejor resultado en la atención de desastres sin necesidad de tener un amplio conocimiento sobre las TIC y que brinden una gama de posibilidades tanto en la diversidad de componentes que conforma cada solución tecnológica y costos. / In Peru, there is a great need to reduce the impact of natural disasters caused by the El Niño southern oscillation phenomenon (ENSO), since it generates large losses both human and material. This hydro-climatic event, which hit the country for the last time in 2017, showed that there are no technological solutions to reduce the consequences of this type of events. For this reason, this project aims to analyze the main dangers and impact of natural disasters of the "El Niño" phenomenon in Peru, the application of ICT that are used today in the management of natural disasters, design a catalog of technological solutions including, for each one, its physical architecture and the approximate cost of implementation, the validation of the technological solutions through experts in climatological disasters and technological research, and finally, define a Roadmap for the proposed technological solutions. It is expected that the catalog will help Peruvian public or private entities, in charge of natural disaster management, to implement ICT solutions that will improve and improve disaster response without needing to have extensive knowledge about the ICT and that offer a range of possibilities both in the diversity of components that make up each technological solution and costs. / Tesis

The megachurch and the missional church are on-going global phenomena. Under the premise that the church has to be missional, this dissertation analyses and describes if a megachurch can be missional in both theoretical and practical ways from a Korean perspective. The megachurch is not simply a very large church in membership or size of its building. It, by the influence of interaction of socio-cultural, historical and theological backgrounds, has its own missiological and ecclesiological perspectives. The megachurch understands that the growth of an individual church is the expansion of the kingdom of God, so that the church must be functional and structural to fulfil the church growth efficiently. Thus, it is a powerful tendency that can be found not only in large size churches, but from all churches trying to achieve by all means the quantitative growth of the church and world evangelisation, through the power and material obtained from growth. The Korean megachurches represented by the Poongsunghan Church obviously display the characteristics of this tendency. The missional church is not simply a mission-driven church sending many missionaries to other countries. It believes that all churches are sent to the world by God who wants to reconcile the whole universe to Him, so that the church has to restore its missional essence to participate in the mission of God wherever it is as the early church did. Thus, the missional church is a reforming movement to witness to God’s rule by recovering its apostolic nature. The characteristics of the movement is clearly activating in the Bundang Woori Church, one of the Korean missional churches. In this line of research, any churches that are not resisting the megachurch tendency cannot be missional. The Korean church, which is in crisis being marginalised from society, has to join the missional movement. / Dissertation (MA)--University of Pretoria, 2014. / tm2015 / Science of Religion and Missiology / MA / Unrestricted

Nela Dvořáková 19.7.2019 1 Abstract We study a representative of a diverse group of stars exhibiting the B[e] phe- nomenon, designated MWC 939. This object might be an important link be- tween the stage of the asymptotic giant branch and planetary nebula stage as it is one of a few such objects observed. Our focus is aimed at spectral analysis of the circumstellar matter around the central star. We assemble a line list for MWC 939 and observe variations of its spectrum. Electron density and temper- ature are estimated using nebular diagnostics of ratios of [S II] λλ 6716, 6731 ˚A and [O I] λλ 6300, 6364 ˚A and 5577 ˚A. These estimates are then used for detailed calculations of the structure of circumstellar envelope. 1

The aim of the diploma thesis is to map the meanings of salsa in the life of recreational dancers. Pair salsa dance was intentionally chosen as a representative of the so-called social dance group, which is characterized by its unique improvisation and self-expression. The theoretical part will be devoted to key topics focused on salsa dance and improvisation, phenomenon of flow, self-transcendence, expression of emotions, dance movement therapy. In the theoretical part, we were interested in other professional research with similar topics. The empirical part of the diploma thesis deals with the research topic of the importance of salsa for recreational dancers. This research served as an exploratory study of salsa, which is not yet very psychologically explored. It is a qualitative research that uses analytical procedures with elements of grounded theory. Research data were obtained through an in-depth interview with 13 informants. We interpreted the resulting information to understand the mental states and processes on multiple levels in the context of salsa and its importance in the lives of recreational dancers. From the data analysis, we created a Bio-psycho-socio-spiritual model of salsa. At the same time, we received answers to research questions, what impulses lead informants and their...

Sweden faces a recruitment problem in the fields of science, technology, engineering, and mathematics (STEM). It has been suggested that imposter phenomenon, a feeling of fraudulence and inability to internalize success, may be the reason why many individuals, especially women, leave STEM fields. Fear of failure is theorized to be the main motive underlying imposter phenomenon. In Sweden, students are asked to choose a direction of study already when entering upper secondary school. In the current study, a survey of 1045 ninth grade students from 27 schools throughout Sweden aimed to answer five research questions: (1) How prevalent is fear of failure in grade 9 students in Sweden, (2) How does the prevalence of fear of failure differ between male and female students, (3) and between students with differing levels of achievement, (4) How do students’ fear of failure differ in relation to STEM subjects and other subjects, and (5) Are students with a higher fear of failure less likely to pick a STEM program for their continued education? The results showed that the average Swedish grade 9 student did not experience a high fear of failure, but over one fourth of the students surveyed at least partially agreed with the statements in the Performance Failure Appraisal Inventory, which puts them at risk for suffering negative mental health effects. Females experienced a significantly higher fear of failure, which may be rooted in gender stereotype consciousness. Perceived risk of failure in STEM programs was not a significant predictor for whether students picked STEM programs, and surprisingly, fear of failure was significantly higher in those that would choose to study STEM. It seems that interest in a program and future career opportunities outweighs any potential risks of failure. If students with a high fear of failure are choosing STEM programs, it is important for educators to break them out of the “imposter cycle” of overpreparing and then being unable to internalize their successes. One way to do this is to teach students about the early struggles that famous scientists faced in producing the information they are learning, in order to teach them that failure, or hard work and effort, does not signal a lack of intelligence. The best predictor for students that would choose STEM programs was whether they found mathematics and science classes easy, so sparking interest and demystifying these subjects is one of the keys to the STEM recruitment problem.

La torréfaction est un procédé thermochimique qui, appliqué à la biomasse, permet d'améliorer les propriétés de ce matériau en tant que vecteur énergétique. Il s'opère entre 250 et 300°C sous atmosphère inerte. Dans le contexte énergétique actuel, l'augmentation des volumes de matières torréfiées produites, transportées et stockées est annoncée pour la décennie à venir. Ce développement à l'échelle industrielle soulève la problématique de l'auto-échauffement et des risques qui lui sont associés. Dans ce travail, une approche multi-échelles a été mise en oeuvre pour étudier le comportement du bois torréfié en présence d'oxygène. Des expériences ont été réalisées à l'échelle du milligramme, à celle d'une sphère de bois torréfié et à celle d'un lit de plaquettes de bois torréfié. Les réactions et l'auto-échauffement généré à l'échelle de la sphère ont été modélisés. Les résultats du modèle présentent une bonne adéquation avec les résultats expérimentaux. Quelle que soit l'échelle considérée, il a été montré que le bois sévèrement torréfié était plus sensible à l'auto-échauffement et à l'auto-combustion que le bois doucement torréfié. Il a également été confirmé que le suivi des gaz émis pourrait être un bon indicateur de la présence d'un auto-échauffement dans un lit de biomasse torréfiée. / Torrefaction is a thermochemical process which, applied to biomass, increases the fuel properties of this material. It operates between 250 and 300°C in an atmosphere depleted of oxygen. Considering the actual energetic context, the large scale development of the torrefied market is expected to the decade to come. This scale-up rises self-heating issue and its associated risks. In this work, a multiscale approach has been used to study the torrefied wood behavior when it gets into contact with oxygen The reactions have been studied at the milligram scale, self-heating has been generated for a unique torrefied wood sphere and self-heating at the reactor scale has been studied to better represent industrial conditions. Experiences have been done at all of these scales. Moreover, a modeled has been proposed to describe the reactions and the self-heating generated at the particle scale. Numerical results show good agreement with experiments. Furthermore, whatever the scale considered, it has been shown that the severely torrefied wood is more prone to self-heating than the mildly torrefied wood. It was also confirmed that continuous emitted gases monitoring could be a good indicator to detect and thus prevent a self-heating of a torrefied biomass bed.

The measurement of fluorine penetration into archeological flint artifacts using Nuclear Reaction Analysis (NRA) has been reported to be a potential dating method. However, the mechanism of how fluorine is incorporated into the flint surface, and finally transported into the bulk is not well understood. This research focuses on the study of the fluorine uptake phenomenon of flint mineral in aqueous fluoride solutions. Both theoretical and experimental approaches have been carried out. In a theoretical approach, a pipe-diffusion model was used to simulate the complicated fluorine transportation problem in flint, in which several diffusion mechanisms may be involved.

The most recent Finnish national curriculum for basic education was implemented starting from 2016. The curriculum calls for the development of learners’ transversal competences, which are built on the broader discourse on 21st century skills and challenges. Phenomenon-based learning, as a multidisciplinary approach, was formulated to address the new Finnish curriculum, in order to help regular subject teaching to tackle the transversal competences. As an artist, art educator and researcher, my interest was directed towards the understanding of phenomenon-based learning from an art-educational perspective. Therefore, this study brings insights from art education to phenomenon-based learning, in order to open a discussion on the following questions: where do art education and phenomenon-based learning meet? And following, how could teachers and learners benefit from this encounter? A post-structuralist view on art education forms the researcher’s perspective within the study. Methodologically, a post-structural positioning was also taken, relying on the a/r/tographical approach. A/r/tography is a performative arts-based research methodology that recognizes the complexity of situations and articulates in-between them. An arts-based workshop worked as a platform for exploration. Framed within a phenomenon-based project, the workshop was conducted in collaboration with a class of 6th graders and their teacher, in the City of Espoo, Finland. The a/r/tographical toolkit, built on visual and performative ethnography, worked alongside workshopping as methods of data collection and being with the material. The collected data include: visual and written field notes, video recordings, audio recordings, a written questionnaire and a semi-structured interview. Performing the material through theory revealed that art education and phenomenon-based learning meet in the concepts of multidisciplinarity and engagement, through different entanglements. The study suggests that the encounter between art education and phenomenon-based learning could benefit teachers and learners in different ways. In addition, the situation experienced in this study holds some interesting challenges that leave space for further developments.