Search for dissertations about: "observational study"

Showing result 21 - 25 of 579 swedish dissertations containing the words observational study.

  2. 21. Boning up on Vitamin D : Observational Studies on Bone and Health

    Author : Greta Snellman; Karl Michaëlsson; Haakon Meyer; Uppsala universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Vitamin D; fracture; BMD; assays; genes; mortality; cohort studies; Orthopaedics; Ortopedi;

    Abstract : The primary function of vitamin D in humans is to maintain sufficient circulating calcium concentrations. Low vitamin D levels could result in excessive calcium resorption from bone. Vitamin deficiency may therefore decrease bone mineral density (BMD), resulting in an increased risk of fracture. READ MORE

  4. 22. The dynamic chromosphere : Results and techniques with an observational approach

    Author : Carolina Robustini; Jorrit Leenaarts; Fernando Moreno Insertis; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Sun; chromosphere; jets; sunspots; imaging; spectropolarimetry; Astronomy; astronomi;

    Abstract : The chromosphere is a critical interface between the relatively cold photosphere and the hot corona. Its landscape is rich in very dynamic phenomena such as jets, spicules, and surges, which are thought to play an important role in the heating of the Sun’s upper atmosphere. READ MORE

  5. 23. Bridging the gap between caring theory and nursing practice : Learning experiences of undergraduate nursing students in a caring behavior course

    Author : Sophie Mårtensson; Maria Björk; Susanne Knutsson; Anders Broström; Eric A. Hodges; Mariann Fossum; Jönköping University; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Caring; Narrative pedagogy; Observational behavioral instrument; Qualitative method; Quantitative observational method; Reflective practice; Student-centered learning approach; Simulation; Swanson’s Theory of Caring; Undergraduate nursing education;

    Abstract : Background: Healthcare providers are obligated to practice with scientific knowledge in order to deliver high quality and safe care based on patients’ needs. Despite this obligation, complaints from care recipients and their significant others regarding healthcare providers’ lack of compassion and competent care in their professional encounters have increased. READ MORE

  6. 24. Cardiovascular and respiratory effects of air pollution : application of different observational study designs and analysis approaches

    Author : Niklas Berglind; Karolinska Institutet; Karolinska Institutet; []
    Keywords : ;

    Abstract : The effect of air pollution exposure on human health has been a topic of an increasing volume of research over the past half century. Due to the ubiquitous nature of ambient air pollution exposure and the comparatively weak effects that can be expected, one of the most viable and most utilized avenues of research has been to conduct large scale observational studies. READ MORE

  7. 25. Teacher Identity as Discourse : A Case Study of Students in Swedish Teacher Education

    Author : Johan Christensson; Mona Blåsjö; Anna Edin; Rodney H. Jones; Stockholms universitet; []
    Keywords : HUMANIORA; HUMANITIES; teacher identity; teacher education; mediated discourse theory; nexus analysis; social action; oral presentation; essay writing; teaching placement; Scandinavian Languages; nordiska språk;

    Abstract : This thesis comprises three separate studies that together explore how Swedish student teachers construct or produce professional identity in interaction while navigating different institutional and professional instances of teacher education. As a discourse analytical contribution to research on teacher identity, the main theoretical framework is mediated discourse theory (e. READ MORE