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Sökning: db:Swepub > Högskolan i Gävle > Fritt online > Uppsala universitet

  • Resultat 1-10 av 77
  • [1]234567...8Nästa
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  • Ahmadi, Fereshteh, 1958- (författare)
  • Culture, Religion and Spirituality in Coping
  • 2006
  • Bok (populärvet., debatt m.m.)abstract
    • Recent research has shown significant associations (negative and positive) between religious and spiritual factors and mental health. Much of this research, however, has been conducted in the US, where religion is an integrated part of most people’s lives. Other studies on religious and spiritually oriented coping conducted outside the US have also focused on religious people. Yet many are non-believers, and many believers do not consider themselves religious, i.e. religion is not an important part of their life. There are also societies in which the dominant culture and ways of thinking dismiss the role of religion in people’s lives. Research on religious coping rarely takes these people into consideration. Thus, the following questions arise: How are religion and spirituality involved in coping when non-believers or non-religious people face difficult events? How do culture and ways of thinking affect people’s choice of religious and spiritual coping methods? Proceeding from a cultural approach to coping and health, this book attempts to address these questions by looking at the coping strategies of Swedish cancer patients.
  • Areskoug, Linn, 1977- (författare)
  • Den svenske mannens gränsland
  • 2011
  • Doktorsavhandling (övrigt vetenskapligt)abstract
    • This thesis deals with the nationalistic imaginary in the novels of Sven Lidman, published 1910–1913. The novels hold forth a conservative point-of-view that embraces the bourgeois ideal of masculinity and the idea of the healthy, Swedish rural way of life as opposed to the destructive metropolis. This dualism is part of a dichotomy that structures the novels. It also entails continuity/fragmentation, the Swedish/the foreign, men/women, activity/ passivity as well as masculinity/femininity and unmanliness.In the Silfverstååhl-cycle the protagonists are young men of a noble, Swedish family. They progress from lost and introspective youths to grown men who are deeply concerned with and engaged in society. They are different representatives of the Swedish man – the farmer, the business man, the explorer and the clergy man. What unites them is how their “coming of age” develops, how through trial and struggle they become stronger and prove worthy of the manly role they finally take on. This is a major principle of the bourgeois masculinity that is also closely connected to the national identity of the men.There is also an ambiguity concerning modernity. Throughout the novels a critique of modern society is formulated, that acknowledges the modern age but simultaneously takes on a prudent attitude towards modern society. There is no going back for the Swedish nation; the modern times have to be confronted. The present is very important since it is the time for scrutiny. The handling of the modern era takes place in the developing processes of the young men, who have to be careful not to get trapped in the modern whirlpool that threatens to shatter the human being. The past, the familiar and the rural anchorage that the family relation entitles, is a defense against the destructive forces of modernity. But the past is not completely beneficial. Even though the past is of major importance to the national identity of the protagonists, they have to be very careful not to delve too much into the past because of the risk of paralysis and effeminization. In the nationalistic narrative the present encapsulates the past and the future. The Swedish man has to navigate in the borderland of modernity.
  • Bengtsson, Olof (författare)
  • Design and Characterization of RF-Power LDMOS Transistors
  • 2008
  • Doktorsavhandling (övrigt vetenskapligt)abstract
    • In mobile communication new applications like wireless internet and mobile video have increased the demand of data-rates. Therefore, new more wideband systems are being implemented. Power amplifiers in the base-stations that simultaneously handle these wideband signals for many terminals (handhelds) need to be highly linear with a considerable band-width.In the past decade LDMOS has been the dominating technology for use in these RF-power amplifiers. In this work LDMOS transistors possible to fabricate in a normal CMOS process have been optimized and analyzed for RF-power applications. Their non-linear behavior has been explored using load-pull measurements. The mechanisms of the non-linear input capacitance have been analyzed using 2D TCAD simulations. The investigation shows that the input capacitance is a large contributor to phase distortion in the transistor.Computational load-pull TCAD methods have been developed for analysis of RF-power devices in high-efficiency operation. Methods have been developed for class-F with harmonic loading and for bias-modulation. Load-pull measurements with drain-bias modulation in a novel measurement setup have also been conducted. The investigation shows that the combination of computational load-pull of physical transistor structures and direct measurement evaluation with modified load-pull is a viable alternative for future design of RF-power devices. Simulations and measurements on the designed LDMOS shows a 10 to 15 % increase in drain efficiency in mid-power range both in simulations and measurements. The computational load-pull method has also been used to investigate the power capability of LDMOS transistors on SOI. This study indicates that either a low-resistivity or high-resistivity substrate should be used in manufacturing of RF-power LDMOS transistors on SOI to achieve optimum efficiency. Based on a proper substrate selection these devices exhibit a 10 % higher drain-efficiency mainly due to lower dissipated power in the devices.
  • Boustedt, Jonas, 1965- (författare)
  • On the Road to a Software Profession
  • 2010
  • Doktorsavhandling (övrigt vetenskapligt)abstract
    • Research has shown that there are gaps in knowledge between newly hired and experienced professionals and that some of these gaps are related to concepts, such as the concepts of object orientation. This problem, and the fact that most computer science majors want to work in the software industry, leads to questions regarding why these gaps exist and how students can be better prepared for their future careers. Against this background, this thesis addresses two theme-based perspectives that focus on students' views of concepts in Computer Science.The first theme-based perspective investigated the existence of potential Threshold Concepts in Computer Science. Such concepts should be troublesome, transformative, irreversible, and integrative. Qualitative methods have been mainly used and empirical data have been collected through semi-structured interviews, concept maps, and written stories. The results identified two Threshold Concepts, suggested several more, and then described the ways in which these concepts have transformed students.The second theme-based perspective took a phenomenographic approach to find the variation in how students understand concepts related to the software profession. Data were collected via semi-structured interviews. In one study the interviews were held in connection with role-playing where students took on the role of a newly hired programmer. The results show a variety of ways to experience the addressed phenomena in the student collective, ranging from superficial views that often have a practical nature to more sophisticated understandings that reflect a holistic approach, including a professional point of view.Educators can use the results to emphasize concepts that are important from students' perspectives. The phenomenographic outcome spaces can help teachers to reflect upon their own ways of seeing contrasted with student conceptions. I have indicated how variation theory can be applied to open more sophisticated ways of seeing, which in this context stresses the professional aspects to help students prepare for becoming professional software developers.
  • Boustedt, Jonas (författare)
  • Students working with a large software system
  • 2007
  • Licentiatavhandling (övrigt vetenskapligt)abstract
    • This monograph describes an empirical study with the overall aim of producing insights about how students experience the subject Computer Science and its learning environments, particularly programming and software engineering.The research takes a start in the students' world, from their perspective, using their stories, and hence, we have chosen a phenomenographic approach for our research. By interpreting the students' descriptions and experiences of various phenomena and situations, it is possible to gain knowledge about which different conceptions students can have and how teaching and the learning environment affect their understanding. In this study, we focus specifically on students' conceptions of aspects of object-oriented programming and their experiences of problem solving situations in connection with object-oriented system development.The questions posed enlighten and focus on the students' conceptions of both tangible and abstract concepts; the study investigates how students experienced a task concerning development in a specific software system, how they conceived the system itself, and how the students describe the system's plugin modules. Academic education in programming deals with abstract concepts, such as interfaces in the programming language Java. Hence, one of the questions in this study is how students describe that specific abstract concept, in a context where they are conducting a realistic software engineering task.The results show that there is a distinct variation of descriptions, spanning from a concrete to-do list, to a more advanced description where the interface plays a crucial role in order to produce dynamic and adaptive systems. The discussion interprets the results and suggests how we can use them in teaching to provide an extended and varied understanding, where the educational goal is to provide for and strengthen the conditions for students to be able to learn how to develop and understand advanced software.
  • Engström, Maria, 1966- (författare)
  • A Caregiver Perspective on Incorporating IT support into Dementia Care
  • 2006
  • Doktorsavhandling (övrigt vetenskapligt)abstract
    • Aim: The overall aim of the present thesis was to describe and evaluate IT support in dementia care from the perspectives of staff and relatives. More specifically, it was to examine staff members’ satisfaction with work, life satisfaction and sense of coherence before and after increased IT support, to describe staff members’ opinions and perceptions of IT support during the process of implementation, to describe relatives’ opinions of IT support and to compare relatives’ perceptions of their irritations with care and life satisfaction before and after increased IT support. In addition, three questionnaires were further developed and tested among staff working in elderly care, and then used in the staff evaluation. Methods: A quasi-experimental design with baseline assessments and follow-ups and experimental and control groups was used in two studies to investigate the outcomes of IT support. A descriptive design was used to study staff views on IT support, and a correlative design was used in the methodological study. Participants were 33 staff members and 22 relatives in the evaluation, 14 staff members in the descriptive study and 299 staff members in the methodological study. Data collection methods were questionnaires and group interviews. The IT support consisted of passive passage alarms, fall detectors, sensor-activated night-time illumination of the lavatory, movement detectors, email communication, an Internet website and additional computers. Findings and conclusions: Staff job satisfaction and perceived quality of care increased in the experimental group. The relatives were generally positive about the IT support, and the experimental group showed a decrease in practical/logistical irritations. Staff described ‘moving from fear of losing control to perceived increase in control and security’ and ‘constant struggling with insufficient/deficient systems’. Conclusions are that IT support can be a resource in dementia care as perceived by caregivers if IT support is incorporated into the care system.
  • Ernesäter, A., et al. (författare)
  • A comparison of calls subjected to a malpractice claim versus 'normal calls' within the Swedish Healthcare Direct
  • 2014
  • Ingår i: BMJ Open. - 2044-6055. ; 4:10, s. e005961
  • Tidskriftsartikel (refereegranskat)abstract
    • Objectives: The purpose of this study is to compare communication patterns in calls subjected to a malpractice claim with matched controls. Setting: In many countries, telephone advice nursing is patients' first contact with healthcare. Telenurses' assessment of callers' symptoms and needs are based on verbal communication only, and problems with over-triage and under-triage have been reported. Participants: A total sample of all reported medical errors (n=33) during the period 2003-2010 within Swedish Healthcare Direct was retrieved. Corresponding calls were thereafter identified and collected as sound files from the manager in charge at the respective call centres. For technical reasons, calls from four of the cases were not possible to retrieve. For the present study, matched control calls (n=26) based on the patient's age, gender and main symptom presented by the caller were collected. Results: Male patients were in majority (n=16), and the most common reasons for calling were abdominal pain (n=10) and chest pain (n=5). There were statistically significant differences between the communication in the cases and controls: telenurses used fewer open-ended medical questions (p<0.001) in the cases compared to the control calls; callers provided telenurses with more medical information in the control calls compared to the cases (p=0.001); and telenurses used more facilitation and patient activation activities in the control calls (p=0.034), such as back-channel response (p=0.001), compared to the cases. Conclusions: The present study shows that telenurses in malpractice claimed calls used more closed-ended questioning compared to those in control calls, who used more open-ended questioning and back-channel response, which provided them with richer medical descriptions and more information from the caller. Hence, these communicative techniques are important in addition to solid medical and nursing competence and sound decision aid systems.
  • Ernesäter, Annica, 1970- (författare)
  • National Telephone Advice Nursing in Sweden
  • 2012
  • Doktorsavhandling (övrigt vetenskapligt)abstract
    • The overall aim of this thesis was to investigate patient safety and communication within national telephone advice nursing (SHD) in Sweden. Four empirical studies with different perspectives were conducted. The aim of Study I was to describe telenurses’ experiences of working with computerized decision support systems and how such systems could influence their work. The telenurses described a duality of perceptions: the CDSS both supported and inhibited their work. Study II aimed at describing medical errors that had led to an incident report within the context of SHD. Incident reports sent to and from the SHD during 2007 were collected. The results showed that telenurses have limited possibilities to refer callers to the appropriate level of care, and that other healthcare providers reported that telenurses had made an incorrect assessment regarding callers’ need for care. Study III aimed at describing the actual communication between telenurses and callers expecting a higher level of care than recommended by telenurses, and at investigating relationships within the communication between telenurses and callers. The results showed that telenurses were more prone to use closed-ended questions and did not follow up on callers’ understanding of the advice given. There was also a statistically significant positive relationship between callers’ expressions of Concern and telenurses’ expressions of Criticism, and also between utterances of Criticism between the parties. The aim of Study IV was to describe the characteristics of all malpractice claims following telephone calls to SHD, including the identified causes, the healthcare providers’ measures, and the actual communication between the telenurses and callers. The results showed that among the cases, 13 of 33 patients died and 12 were admitted to intensive care. The National Board of Health and Welfare’s (NBHW) investigations most commonly reported communication failure as the cause of the malpractice claims. The measures reported by SHD most commonly involved discussion in work groups and education of staff. Communication analysis showed a positive correlation between the callers’ expressions of Concern and the telenurses’ expressions of Reassurance. The results also showed communication patterns similar to those found in Study III. Hence, telenurses’ communicative strategies are not in line with the “dialogue process” they are educated in and could be regarded as a threat to patient safety.In conclusion, the importance of high quality communication is undoubted within telephone advice nursing, and specific training and supervision in communication for telenurses might contribute to improving their communicative competence as well as patient safety. Adapting the CDSS into encourage telenurses to explore callers’ reasons for calling and to follow up on understanding might facilitate patient safety. Organizations also need to take a system-wide approach when addressing patient safety issues and ensure that telenurses are given the resources they need to fulfill their work.
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