Sökning: "overconfidence"

Visar resultat 6 - 10 av 18 avhandlingar innehållade ordet overconfidence.

  1. 6. Child and Adult Witness Event Memory Reporting and Metamemory Capabilities : Social Aspects and Legal Professionals’ Opinions

    Författare :Jens Knutsson; Institutionen för psykologi; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Probes; Repeated recall; Forensic interviewing; Eyewitness; Confidence; Event memory; Metamemory; Free recall; Focused questions; Feedback; Legal professionals; Beliefs; Opinions;

    Sammanfattning : This dissertation focuses on aspects of the social context of child and adult eyewitness memory reports, along with their relation to report accuracy and metamemory performance. More specifically, it investigates the effects on memory reports and metamemory judgments of i) receiving feedback from co-witnesses, ii) being probed for further eventmemory reports, and iii) retelling eventmemory contents. LÄS MER

  3. 7. Managing in turbulence : an empirical study of small firms operating in a turbulent environment

    Författare :Mats Westerberg; Luleå tekniska universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Entreprenörskap och innovation; Entrepreneurship and Innovation; Redovisning och styrning; Accounting and Control;

    Sammanfattning : This thesis deals with how small firms, and especially their CEOs, manage their situation in times of high environmental turbulence. Eight firms have been chosen for the empirical study based on their performance and the CEO’s self-efficacy and tolerance for ambiguity. LÄS MER

  4. 8. Realism of confidence in witness identification of faces and voices

    Författare :Nils Olsson; Uppsala universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Psychology; eyewitness; earwitness; realism of confidence; calibration; Psykologi; Psychology; Psykologi; Psychology; psykologi;

    Sammanfattning : One of the more alarming and intriguing results in forensic psychology is the weakrelationship between confidence and accuracy in experimental studies of eyewitnessidentification. This relationship has traditionally been measured by the point-biserialcorrelation coefficient, rpb. LÄS MER

  5. 9. Learning local predictive accuracy for expert evaluation and forecast combination

    Författare :Oscar Oelrich; Mattias Villani; Francesco Ravazzolo; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Bayesian; forecast combination; predictive density; Gaussian process; bootstrap; Bayes factors; model selection; Bayesian predictive synthesis; nonparametric methods; power transformation; expected log predictive density; variable selection; statistik; Statistics;

    Sammanfattning : This thesis consists of four papers that study several topics related to expert evaluation and aggregation. Paper I explores the properties of Bayes factors. Bayes factors, which are used for Bayesian hypothesis testing as well as to aggregate models using Bayesian model averaging, are sometimes observed to behave erratically. LÄS MER

  7. 10. Essays on antibiotics use: Nudges, preferences & welfare benefits

    Författare :Linnea Wickström Östervall; Jakob Svensson; Astri Muren; Kjetil Bjorvatn; Stockholms universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; field experiment; nudge; reminder; common resources; antibiotics use; resistance; altruism; other-regarding preferences; time preferences; social security; temporary parental leave; natural experiment; Economics; nationalekonomi;

    Sammanfattning : The stock of effective antibiotics can be seen as a common resource. Depletion of this potentially renewable, but currently finite, resource through the development of resistance poses an important policy problem. Prudent use can delay the spread of resistance. It is hence interesting to study factors that affect use and overuse of antibiotics. LÄS MER