Sexual aggression is a global, ongoing problem, and it is most often perpetrated by men against women. In a set of studies, we investigated the role of dehumanization and objectification in men's sexual aggression-related attitudes and interests toward women in general, as well as toward a specific female target. The first of our studies, with 190 heterosexual British men recruited online, established a correlational link between dehumanization and rape proclivity. Dehumanization was also related to unfavorable attitudes toward rape victims. Critically, our results largely held when controlling for several variables with previously established relationships to sexual aggression. Results for objectification were less consistent. Our second study sought to experimentally manipulate the dehumanization of a woman and measures its effect on sexual aggression attitudes and interests. Results from 106 heterosexual British men seemed to be particularly driven by one aspect of dehumanization-the denial of human uniqueness-showing differences in correlations between experimental groups on measures of sexual aggression including rape proclivity, unfavorable attitudes toward a rape victim, and a behavioral rape analogue task. Avenues for future research are discussed, and implications of the work include the potential for emphasizing women as people, especially through highlighting their human uniqueness, in designing effective prevention and interventions (e.g., bystander) efforts.

Sexual aggression is prevalent and damaging in our culture, and sources of support or blame following an attack of this kind can be important influences on the recovery process. This pair of studies investigate the nature of women’s blame reactions towards survivors of sexual aggression, as well as the potential for provision of sympathy and support. Specifically, we focused on the previously neglected role of female self-objectification. It was expected that increased self-objectification would lead to decreased sympathy and support, and more rape victim blame. However, results of Study 1 showed that chronic self-objectification was actually related to higher levels of sympathy and support for a rape victim. Study two built upon the limitations of study one, and examined similar questions. It was expected that women who engaged in greater self-objectification would again show greater sympathy and support for the victim, replicating study one’s results, and this was supported with a different scale. The overall relationship between self-objectification and sympathy and support was driven by body-relevant control beliefs. Implications and future directions are discussed.

The question of why people act violently is perhaps one of the most enduring and meaningful in social psychology. Among the various ways humans have mistreated one another over the millennia, intergroup violence and genocide stand as terrible monuments to our capacity for violence. It is sensible and important, then, that the psychological underpinnings of this mistreatment are examined as well as the factors that lead people to enact, sustain, and excuse violence. The major psychological theories of dehumanization are outlined, from its roots in genocide studies to a focus on everyday aggression and violence, and modern approaches are presented, which seek to explain extreme violence. The ways in which dehumanization can contribute to violence at the interpersonal level are mapped, examining evidence also from the closely related field of objectification. Finally, dehumanization and violence perpetrated at the level of groups is discussed, covering the small but growing literature focused directly on genocides. Throughout the examination of interpersonal and intergroup violence, it is worth noting that dehumanization plays many roles; it is the cause, catalyst, and consequence of violence.

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