Group versus individual decision making: An investigation of performance measures,decision strategies,and process losses/gains |
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| Affiliation: | 1. ICC, University of Barcelona (UB-IEEC), Marti i Franques 1, 08028, Barcelona, Spain;2. ICREA, Pg. Lluis Companys 23, 08010 Barcelona, Spain;3. Radcliffe Institute for Advanced Study, Harvard University, MA 02138, USA;4. Institute for Theory & Computation, Harvard University, 60 Garden Street, Cambridge, MA 02138, USA;5. Instituto de Fisica Corpuscular, CSIC-UVEG, P.O. 22085, Valencia, 46071, Spain;6. Laboratorio Subterráneo de Canfranc, Estación de Canfranc, 22880, Spain;7. Institute of Theoretical Astrophysics, University of Oslo, Oslo, 0315, Norway;1. Division of Glial Disease and Therapeutics, Center for Translational Neuromedicine, Department of Neurosurgery, University of Rochester Medical Center, Rochester, NY 14642, USA;2. Department of Ophthalmology, Haukeland University Hospital, Bergen 5021, Norway;3. Letten Centre, Institute of Basic Medical Sciences, Department of Physiology, University of Oslo, 0317 Oslo, Norway;1. Department of Cardiothoracic and Vascular Surgery, Atrium Health, Charlotte, North Carolina;2. Department of Cardiology, Atrium Health, Charlotte, North Carolina;3. College of Business, East Carolina University, Greenville, North Carolina;4. Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland;5. Department of Cardiothoracic Surgery, Stanford University, Stanford, California |
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| Abstract: | The relative effectiveness of individual and group performance was investigated by employing three decision making strategies. Ignoring this consideration, group decisions were superior (p ⩽ .01) to individual averages, equal to the selected best individual decisions, and inferior to the actual best individual solutions (p ⩽ .05). The results indicated that the degree of process loss/gain and the relative performance of groups and individuals was significantly influenced by the dependent variable utilized and the decision making strategy employed. |
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