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Cognitive biases in the judgment of ethically charged contexts: numerosity and solitaire illusion

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Abstract
The objective of this paper is to investigate whether cognitive biases such as the numerosity effect (i.e. separate units are perceived as more numerous than one large entity) and solitaire illusion (i.e. a small number of clusters containing many entities is perceived as more numerous than a large number of clusters containing few entities) influence the judgment of ethically charged scenarios. We find that the numerosity effect holds for the ethical evaluation of most ethically charged situations (with the exception of charity), yet the opposite is true for the estimation of the impact (negative or positive) of such situations. The same cannot be asserted with respect to solitaire illusion, which exhibits inconsistent results. These results hold important implications for the framing of ethically charged events.
Keywords
numerosity, ethical judgment, cognitive biases

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Chicago
De Corte, Charlotte, and Patrick Van Kenhove. 2016. “Cognitive Biases in the Judgment of Ethically Charged Contexts: Numerosity and Solitaire Illusion.” In Proceedings of the European Marketing Academy. Oslo, NO.
APA
De Corte, C., & Van Kenhove, P. (2016). Cognitive biases in the judgment of ethically charged contexts: numerosity and solitaire illusion. Proceedings of the European Marketing Academy. Presented at the European Marketing Academy, Oslo, NO.
Vancouver
1.
De Corte C, Van Kenhove P. Cognitive biases in the judgment of ethically charged contexts: numerosity and solitaire illusion. Proceedings of the European Marketing Academy. Oslo, NO; 2016.
MLA
De Corte, Charlotte, and Patrick Van Kenhove. “Cognitive Biases in the Judgment of Ethically Charged Contexts: Numerosity and Solitaire Illusion.” Proceedings of the European Marketing Academy. Oslo, NO, 2016. Print.
@inproceedings{7258018,
  abstract     = {The objective of this paper is to investigate whether cognitive biases such as the numerosity effect (i.e. separate units are perceived as more numerous than one large entity) and solitaire illusion (i.e. a small number of clusters containing many entities is perceived as more numerous than a large number of clusters containing few entities) influence the judgment of ethically charged scenarios. We find that the numerosity effect holds for the ethical evaluation of most ethically charged situations (with the exception of charity), yet the opposite is true for the estimation of the impact (negative or positive) of such situations. The same cannot be asserted with respect to solitaire illusion, which exhibits inconsistent results. These results hold important implications for the framing of ethically charged events.},
  author       = {De Corte, Charlotte and Van Kenhove, Patrick},
  booktitle    = {Proceedings of the European Marketing Academy},
  keyword      = {numerosity,ethical judgment,cognitive biases},
  language     = {eng},
  location     = {Oslo, Norway},
  title        = {Cognitive biases in the judgment of ethically charged contexts: numerosity and solitaire illusion},
  year         = {2016},
}