A key study in the national debate about campus sexual assault was published in 2007. RTI International, with funding from the National Institute of Justice, surveyed 5,446 undergraduate women at two large public universities. The study examined the prevalence, nature and reporting of various types of sexual assault. Below are excerpts from analyses of four cohorts identified in the study: Those who experienced a sexual assault through force; those who experienced a sexual assault enabled by alcohol or drugs; those who experienced a sexual assault through force or alcohol-or-drug enabling; and those who were not victims. Read related article.