Sökning: "selection bias"

Visar resultat 21 - 25 av 184 avhandlingar innehållade orden selection bias.

1. 21. College choice and earnings among university graduates in Sweden

   Författare :Kent Eliasson; Umeå universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; University enrollment; college choice; accessibility; earnings; ability; selection bias; propensity score matching; Economics; Nationalekonomi;

   Sammanfattning : This thesis consists of three papers that examine college choice and earnings among university graduates in Sweden.Paper [I] analyzes how geographical accessibility to higher education affects university enrollment decisions in Sweden. LÄS MER

3. 22. Philosophical controversies in the evaluation of medical treatments : With a focus on the evidential roles of randomization and mechanisms in Evidence-Based Medicine

   Författare :Alexander Mebius; John Cantwell; Jeremy Howick; Sven Ove Hansson; Julian Reiss; KTH; []
   Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; HUMANIORA; HUMANITIES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Evidence; randomized controlled trials; observational studies; systematic reviews; meta-analysis; methodology; process assessment; outcome assessment; medical care; randomization; evidence-based medicine; selection bias; philosophy of medicine; philosophy of science; mechanisms; quality of evidence; animal studies; treatment effect; causation by absence; medical technology; Filosofi; Philosophy;

   Sammanfattning : This thesis examines philosophical controversies surrounding the evaluation of medical treatments, with a focus on the evidential roles of randomised trials and mechanisms in Evidence-Based Medicine. Current 'best practice' usually involves excluding non-randomised trial evidence from systematic reviews in cases where randomised trials are available for inclusion in the reviews. LÄS MER

4. 23. Urban women applying for induced abortion. Studies of epidemiology, attitudes and emotional reactions

   Författare :Hanna Söderberg; gynekologisk och prenatal ultraljudsdiagnostik Obstetrisk; []
   Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Obstetrik; reproduction; sexuality; andrology; Obstetrics; gynaecology; Induced abortion; risk areas; continued pregnancy; socio-demographic differences; reasons for abortion; interview study; selection bias; emotional distress; repeat abortion; ethnic problems; use of an compliance with contraceptives; gynekologi; andrologi; reproduktion; sexualitet;

   Sammanfattning : In Sweden between 32-38,000 women annually elect to terminate pregnancy by means of induced abortion, though their reasons are still not well understood. The purpose of these studies, carried out at the Department of Obstetrics and gynecology and of Community Medicine at University Hospital, Malmö, was to elucidate the incidence of induced abortion in an urban population, with special emphasis on epidemiological and socio-demographic factors, the women's attitude to abortion, and the incidence and severity of post-abortion emotional reactions. LÄS MER

5. 24. Partnership for health : on the role of primary health care in a community intervention programme

   Författare :Lars Weinehall; Stig Wall; Göran Westman; Umeå universitet; []
   Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Community intervention; primaiy health care; prevention of cardiovascular disease; selection bias; social factors; perceived health; Lp a ;

   Sammanfattning : .... LÄS MER

7. 25. Media Echo Chambers: Selective Exposure and Confirmation Bias in Media Use, and its Consequences for Political Polarization

   Författare :Peter Dahlgren; Göteborgs universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; selective exposure; confirmation bias; political polarization; affective polarization; ideological polarization; political attitudes; political preferences;

   Sammanfattning : The new digital media landscape has created a high-choice media environment that has made it easier for people to find news and information that support their political beliefs and attitudes, and avoid news and information that challenge those beliefs or attitudes. How does this affect people’s selection of content and political polarization in the long run? This thesis investigates the relationship between different political preferences (political party, political interest and ideological leaning) and selective media use over time among the Swedish population, and whether this selectivity leads to political polarization (ideological polarization and affective polarization). LÄS MER