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Cheater Detection and In-Group Bias in Human Social Evolution

Explore the evolutionary social psychology behind reciprocity in human social life, focusing on cheater detection and enhanced memory for the faces of cheaters. Discover how individuals recognize cheaters before the fact and their performance in ultimatum and dictator games. Learn about in-group bias and how easy it is to elicit biases based on trivial distinctions. Uncover the implications of in-group bias on decision-making, perceived through age, sex, and race dimensions. Delve into the cultural variations in group assignments, paternity confidence, and violence.

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Cheater Detection and In-Group Bias in Human Social Evolution

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  1. Evolutionary Social Psychology Reciprocity in human social life. Cheater detection. Enhanced memory for the faces of cheaters. Recognizing cheaters before the fact. Performance in ultimatum and dictator games. with/without rejection double blind cues to observation

  2. In-group bias. Amazing easy to elicit. Can be based on anonymous and trivial distinctions. Choice A: ingroup gets 6, outgroup gets 4.Choice A: ingroup gets 7, outgroup gets 10. The result of coalitional psychology? People treating decisions as zero-sum game.

  3. In-group bias. How do people make these group assignments in real life? Three dimensions are automatically encoded: age sex race Why? Race misperceived as a badge of coalition membership?

  4. Cultural variation as Facultative variation. Matrilineal inheritance: varies with paternity confidence. Cultural variation in violence: varies with social inequality.

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