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@PHDTHESIS{Hannes:888689,
      author       = {Hannes, Christian},
      othercontributors = {von Nitzsch, Rüdiger and Paape, Björn},
      title        = {{D}ie {T}ransformation von {E}ntscheidungsproblemen in
                      {E}ntscheidungschancen durch eine geführte {R}eflexion von
                      {W}erten},
      school       = {Rheinisch-Westfälische Technische Hochschule Aachen},
      type         = {Dissertation},
      address      = {Aachen},
      publisher    = {RWTH Aachen University},
      reportid     = {RWTH-2023-00745},
      pages        = {1 Online-Ressource : Illustrationen, Diagramme},
      year         = {2022},
      note         = {Veröffentlicht auf dem Publikationsserver der RWTH Aachen
                      University 2023; Dissertation, Rheinisch-Westfälische
                      Technische Hochschule Aachen, 2022},
      abstract     = {Decision theory supports people in making decisions by
                      helping them to choose the best alternative given existing
                      criteria. There is the assumption in decision theory that
                      decision situations, including alternatives and criteria,
                      arise and cannot be influenced. Keeney (2020) challenges
                      this assumption and proposes a proactive approach in which
                      decision situations can be self-created. He suggests
                      value-focused decision support to create or transform
                      undesirable decision situations, which Keeney calls decision
                      problems, into desirable decision situations (decision
                      opportunities). This dissertation addresses the
                      value-focused approach and presents four papers that examine
                      various aspects of Keeney's approach. In the first chapter,
                      Keeney's approach is placed within the existing body of
                      research. The resulting research gaps are presented in the
                      second chapter. The individual papers are introduced in the
                      subsequent chapters, and the key findings are presented. In
                      chapter three, the different decision situations are
                      theoretically founded, and a connection of satisfaction with
                      the respective decision situation is shown empirically.
                      Chapter four examines how stable value priorities are in the
                      context of the Corona pandemic. It is shown that value
                      priorities can be classified as stable overall and are thus
                      suitable as an instrument for transforming decision problems
                      into decision opportunities. The following chapter presents
                      how decision support can be designed to transform decision
                      problems into decision opportunities. When the concept is
                      tested, it is shown that it helps $87.3\%$ of the subjects.
                      This support is also successfully verified in the sixth
                      chapter for group decision-making. Overall, the implications
                      are that people should actively generate decision
                      opportunities and that decision theory holds methods for
                      decision support that need further empirical investigation.},
      cin          = {812520},
      ddc          = {330},
      cid          = {$I:(DE-82)812520_20140620$},
      typ          = {PUB:(DE-HGF)11},
      doi          = {10.18154/RWTH-2023-00745},
      url          = {https://publications.rwth-aachen.de/record/888689},
}