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Perpetrators of Alcohol-Involved Sexual Assaults: How Do They Differ From Other Sexual Assault Perpetrators and Nonperpetrators?

Approximately 50% of sexual assaults involve alcohol. Researchers have documented situational characteristics that distinguish between sexual assaults that do and do not involve alcohol, but little attention has been paid to differences between the perpetrators of these two types of assault. In this study, discriminant function analysis was used to distinguish between college men (N = 356) who reported perpetrating sexual assault that involved alcohol, sexual assault that did not involve alcohol, or no sexual assault. Predictors of sexual assault perpetration that have been documented in past research differentiated nonperpetrators from both types of perpetrators. Perpetrators of sexual assaults that involved alcohol were in most ways similar to perpetrators of sexual assaults that did not, although they did differ on impulsivity, alcohol consumption in sexual situations, and beliefs about alcohol. These findings suggest mechanisms through which alcohol is involved in sexual assault that are relevant to theory and prevention.