Development of the positive-negative asymmetry effect: ingroup exclusion norm as a mediator of children's evaluations on negative attributes

Rutland, Adam, Brown, Rupert J, Cameron, Lindsey, Ahmavaara, Anni, Arnold, Katie and Samson, Jenni (2007) Development of the positive-negative asymmetry effect: ingroup exclusion norm as a mediator of children's evaluations on negative attributes. European Journal of Social Psychology, 37 (1). pp. 171-190.

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Abstract

Two studies were conducted that go beyond previous research by examining when and why children might show intergroup bias in the attribution of positive, but not negative traits (PNAE: the positive-negative asymmetry effect, Mummendey & Otten, 1998, European review of social psychology, Vol. 9). In Study 1 (n=107) children completed a `mixed trait attribution task in a dichotomous group context. As predicted there was a developmental trend between 7 and 12 years of age in the PNAE. The 7-year olds were the only age group not to show the effect. Study 1 also found a quadratic developmental trend in childrens national intergroup bias. Study 2 (n=62) replicated the developmental path of the PNAE found in Study 1 using a wider age range of 6-16 years. This study used a `mixed' list of traits which were not only antonyms and a procedure that made the positive and negative trait dimensions explicitly independent. Significantly, Study 2 found in-group exclusion norm partially mediated the development of the PNAE. These findings support an account of the positive-negative asymmetry effect based upon normative processes.

Item Type: Article
Schools and Departments: School of Psychology > Psychology
Depositing User: Rupert Brown
Date Deposited: 06 Feb 2012 15:51
Last Modified: 19 Mar 2012 12:32
URI: http://sro.sussex.ac.uk/id/eprint/14773
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