Phased Narrowing: A New Process Tracing Method for Decision Making |
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| Institution: | 1. Laura Bassi Centre of Expertise THERAPEP, Research Program for Receptor Biochemistry and Tumor Metabolism, Department of Pediatrics, Paracelsus Medical University, Müllner Hauptstraße 48, 5020 Salzburg, Austria;2. Department of Blood Group Serology and Transfusion Medicine, Paracelsus Medical University, Müllner Hauptstraße 48, 5020 Salzburg, Austria;3. Viral Immunobiology, Institute of Experimental Immunology, University of Zürich, Rämistraße 71, 8006 Zürich, Switzerland;4. Department of Neonatology, Paracelsus Medical University, Müllner Hauptstraße 48, 5020 Salzburg, Austria;1. Department of Veterinary Science, UNICESUMAR, University Center of Maringá, Maringá, Brazil;2. Department of Animal Science, UNESP, São Paulo State University, College of Veterinary Medicine and Animal Sciences, Botucatu, Brazil;3. Department of Animal Science, Faculdades Unidas do Vale do Araguaia, Barra do Garças, Brazil;4. Department of Pharmacology and Therapeutics, UEM, State University of Maringá, Maringá, Brazil;5. Department of Animal Science, UFS, Federal University of Sergipe, Brazil;6. Department of Engineering, Faculdade Pitágoras, Divinópolis, Brazil;7. Department of Veterinary Science, UNICESUMAR, PROBIC Scholarship, Maringá, Brazil;8. Department of Animal Science, UEM, State University of Maringá, Maringá, Brazil;1. Department of Clinical Immunology and Allergy, St. Anne''s Faculty Hospital and Faculty of Medicine, Masaryk University, Brno, Czech Republic;2. CLIP — Childhood Leukemia Investigation Prague, Department of Pediatric Hematology and Oncology, 2nd Medical Faculty, Charles University Prague, University Hospital Motol, Prague, Czech Republic;3. Centre for Rheumatology Research, Division of Medicine, University College London, 5 University Street, London WC1E 6JF, UK;1. Centre for Process Systems Engineering, Department of Chemical Engineering, University College London, Torrington Place, London WC1E 7JE, UK;2. Department of Informatics, School of Natural and Mathematical Sciences, King''s College London, Strand, London WC2R 2LS, UK;3. St John''s Institute of Dermatology, Division of Genetics and Molecular Medicine, King''s College London School of Medicine, Tower Wing, Guy''s Hospital, Great Maze Pond, London SE1 9RT, UK |
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| Abstract: | A new process tracing technique is presented which combines elements of traditional process tracing methods and methods designed to study the pre-screening of choice options and the formation of consideration sets. To demonstrate its usefulness, we provide data from a consumer decision making task in which subjects were asked to narrow the number of options over three successive decision stages from 18 to 6 to 3, and finally to 1. By examining the attribute values of the options selected at each stage, unique insights were gained into how both decision strategies and the impact of each attribute changed during the decision process and how these changes were related to measurable individual difference factors. The method, which we refer to as phased narrowing, is compared to and offered as a supplement to traditional process tracing approaches. |
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