Group attribution error

The group attribution error is an attribution bias analogous to the fundamental attribution error in that it refers to people's tendency to believe either (1) that the characteristics of an individual group member are reflective of the group as a whole, or (2) that a group's decision outcome must reflect the preferences of individual group members, even when information is available suggesting otherwise. The fundamental attribution error is similar in that it refers to the tendency to believe that an individual's actions are representative of the individual's preferences, even when available information suggests that the actions were caused by outside forces.

Type I

To demonstrate the first form of group attribution error, research participants are typically given case studies about individuals who are members of defined groups (such as members of a particular occupation, nationality, or ethnicity), and then take surveys to determine their views of the groups as a whole. Often the participants may be broken up into separate test groups, some of which are given statistics about the group that directly contradict what they were presented in the case study. Others may even be told directly that the individual in the case study was atypical for the group as a whole. Researchers use the surveys to determine to what extent the participants allowed their views of the individual in the case study to influence their views of the group as a whole and also take note of how effective the statistics were in deterring this group attribution error. Ruth Hamill, Richard E. Nisbett, and Timothy DeCamp Wilson were the first to study this form of group attribution error in detail in their 1980 paper Insensitivity to Sample Bias: Generalizing From Atypical Cases. In their study, the researchers provided participants with a case study about an individual welfare recipient. Half of the participants were given statistics showing that the individual was typical for a welfare recipient and had been on the program for the typical amount of time, while the other half of participants were given statistics showing that the welfare recipient had been on the program much longer than normal. The results of the study revealed that participants did indeed draw extremely negative opinions of all welfare recipients as a result of the case study. It was also found that the differences in statistics provided to the two groups had trivial to no effect on the level of group attribution error.[1]

Type II

The second form of group attribution error was first reported by Scott Allison and David Messick in 1985. In their study the researchers did multiple experiments presenting participants with group decisions made on the national, state, and local levels. Participants were presented with situations in which a matter of public policy was determined by a single leader with no popular vote, a popular vote of over 90% of the population, and a popular vote which included approximately 50% of the population. If no group attribution error were present, the participants would be expected to conclude that in the 90% vote the views of the individuals were reflective of the group decision, in the 50% vote they may or may not be, and in the leader decision there is no evidence that the individual views reflect the group outcome. Allison and Messick discovered instead, however, that the participants associated the individual views with the group outcome in all three cases[2] In 2001, Corneille et al. conducted further studies that suggest that threatening groups are viewed as being both more extreme and more homogeneous.[3]

Limitation

Follow-up research by Leila Worth and others attempted to identify the limits of the effect. These studies have shown that the error becomes stronger in perceptions of groups that are viewed as (a) more dissimilar to one's own group, (b) more monolithic, and (c) adversarial to one's own group. The error tends to disappear in perceptions of one's own group. Group members are more likely to attribute the decisions of their own group to structural constraints placed on the group, such as its decision rules, whereas members tend to attribute the decisions of another group to its members' attitudes. This tendency to draw different conclusions between in-groups and out-groups reflects a connection between group attribution error and ultimate attribution error. Additional research on the group attribution error, conducted by Diane Mackie and Scott Allison, has shown its consequences for making erroneous judgments about changes in group attitudes over time.

See also

References

  1. ↑ Hamill, Ruth; Wilson, Timothy D.; Nisbett, Richard E. (1980). "Insensitivity to sample bias: Generalizing from atypical cases" (PDF). Journal of Personality and Social Psychology. 39 (4): 578–589. doi:10.1037/0022-3514.39.4.578.
  2. ↑ Allison, Scott T; Messick, David M (1985). "The group attribution error". Journal of Experimental Social Psychology. 21 (6): 563–579. doi:10.1016/0022-1031(85)90025-3.
  3. ↑ Corneille, Olivier; Yzerbyt, Vincent Y.; Rogier, Anouk; Buidin, Genevieve (2001). "Threat and the Group Attribution Error: When Threat Elicits Judgments of Extremity and Homogeneity". Personality and Social Psychology Bulletin. 27 (4): 437–446. doi:10.1177/0146167201274005.

Further reading

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