scholarly journals Elimination of the Hindsight Bias in Individual Versus Group Decision Making

Author(s):  
◽  
Holly Sindelar
2015 ◽  
Vol 235 (2) ◽  
pp. 207-227 ◽  
Author(s):  
Björn Frank ◽  
Sha Li ◽  
Christoph Bühren ◽  
Haiying Qin

Summary Much hope is put into the ‘‘four eyes principle’’ as an anti corruption device in many countries. However, as recent cases have shown, entire groups of decision makers can be corrupt as well. This paper reports on an experimental investigation of individual versus group decision making in a corruption experiment. We find that the group decisions, as compared to individual decisions, lead to a higher level of corruption, for bribers and for bribees, and in China as well as in Germany. Only German women are less corrupt in a group decision context than when deciding individually. Further differences between Germany and China with respect to the effect of the teams’ gender composition were found. In Germany, groups that consist only of females are the most honest and the male groups are the most corrupt, whereas in China the groups with mixed gender combination have shown a higher inclination to make corrupt decisions than the groups that are homogenous with respect to gender.


1999 ◽  
Vol 14 (2) ◽  
pp. 137-147 ◽  
Author(s):  
Fui Hoon (Fiona) Nah ◽  
Jiye Mao ◽  
Izak Benbasat

Expert support systems (ESSs) are increasingly used in organizations to support individuals and groups in decision making. Although ESSs have been shown to enhance the decision-making capabilities of individuals, their benefits in supporting group decision making are less clear. To the best of our knowledge, no empirical research has evaluated the effectiveness of the technology in the group setting or compared its usefulness for supporting individual versus group decision making. The results of this research show that ESSs benefit decision making of both individuals and groups and novices are able to gain more from ESSs than experts. The findings also suggest that groups outperform individuals in both with and without ESS support settings.


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