Sökning: "Ewa Rolfsman"

Hittade 4 avhandlingar innehållade orden Ewa Rolfsman.

  1. 1. To prevent without over-protecting : children and senior citizens injured during outdoor activities

    Författare :Lina Gyllencreutz; Britt-Inger Saveman; Ewa Rolfsman; Robert Ekman; Umeå universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES;

    Sammanfattning : Background: Injuries are a common public health problem. Non-fatal injuries may result in pain and disabilities. Falls are a common causes of non-fatal injuries and many of these injuries occur during some physical activity. LÄS MER

  3. 2. Statistical modeling in international large-scale assessments

    Författare :Inga Laukaityte; Marie Wiberg; Kenny Bränberg; Ewa Rolfsman; Bernard Veldkamp; Umeå universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; multilevel model; plausible values; sampling weights; missing information; multiple imputation; non-monotone missing pattern; TIMSS; PISA; Statistics; statistik; pedagogik; Education;

    Sammanfattning : This thesis contributes to the area of research based on large-scale educational assessments, focusing on the application of multilevel models. The role of sampling weights, plausible values (response variable imputed multiple times) and imputation methods are demonstrated by simulations and applications to TIMSS (Trends in International Mathematics and Science Study) and PISA (Programme for International Student Assessment) data. LÄS MER

  4. 3. Vaginal prolapse – clinical outcomes and patients’ perspectives : a study using quantitative and qualitative methods

    Författare :Mojgan Pakbaz; Mats Löfgren; Ingrid Mogren; Ewa Rolfsman; Martin Stjerquist; Umeå universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Vaginal prolapse; national register; pelvic organ prolapse surgery; anaesthesia; knowledge about prolapse; experience; qualitative content analysis; questionnaire; Obstetrics and gynaecology; Obstetrik och gynekologi; obstetrik och gynekologi; Obstetrics and Gynaecology;

    Sammanfattning : Background: Pelvic organ prolapse (POP) is a relatively common condition. In Sweden, the overall estimated prevalence of POP in the female population is 31% and the prevalence of symptomatic prolapse is 8–15%. The prevalence of POP increases with age. The lifetime risk of undergoing pelvic floor surgery is estimated to 11%. LÄS MER

  5. 4. A fair score? : group independent validity arguments for college admission tests

    Författare :Marcus Strömbäck Hjärne; Ewa Rolfsman; Christina Wikström; Per-Erik Lyrén; Jan-Eric Gustafsson; Umeå universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Fairness; Validity; Immigration; Dyslexia; Special populations; SweSAT; didactics of educational measurement; beteendevetenskapliga mätningar;

    Sammanfattning : This thesis aims to investigate fair use of test scores for admission to higher education. In this thesis, fairness is narrowed down to an instrumental definition relating to a fair interpretation of test scores. The focus is on the use of the Swedish Scholastic Aptitude Test (SweSAT) for admission decisions. LÄS MER