Social Categorization and Intergroup Bias in Affective Facial Memory

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2012
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Haverford College. Department of Psychology
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Thesis
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Award
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eng
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Abstract
The purpose of the present research was to investigate face recognition in the context of Social Categorization Theory (Hugenberg & Sacco, 2008), and the potential impact of in-group positivity/out-group negativity biases. Relying on a minimal group paradigm, two studies were conducted. Experiment I investigated whether in-/out-group biases manifest in affective facial memory by comparing participants' recognition of in- and out-group members displaying positive, neutral, and negative facial affect. Results showed moderate support for a Cross-Group Effect, such that performance on the recognition task was better for in-group than out-group members. However, there was no evidence to support the prediction that participants would show better memory for positive in-group and negative out-group faces. Experiment II investigated the role of distortions in these memory biases. However, due to lost data, no conclusions could be drawn regarding the results of this experiment. Potential explanations for the unusual results of Experiment I and recommendations for future research are discussed.
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