Barbara Krahé

• There is growing evidence from the international literature that nonconsensual sexual interactions are widespread among adolescents and young adults. Following a brief review of this literature, two studies are reported that examined the prevalence and predictors of sexual aggression and sexual victimization among young people in Germany. In addition to the traditional focus on male perpetrators and female victims, evidence is presented on women's sexual aggression towards men and men's sexual victimization by women. Variables increasing the risk of sexual aggression and vulnerability for victimization include both biographical factors (e. g., childhood abuse) and situational variables (e. g., ambiguous communication of sexual intentions). Special consideration is given to the representation of risk factors in the "sexual scripts" for consensual sexual interactions that serve as guidelines for sexual behavior. The paper concludes with a brief discussion of the implications of the findings for prevention efforts.