Approximately 25% of male college students report engaging in some form of sexual coercion by the end of their fourth year of college. White and Smith (2004) found that negative childhood experiences-childhood sexual abuse, childhood physical abuse, and witnessing domestic violence-predicted sexual aggression perpetrated before college, but not during the subsequent college years, a puzzling finding in view of the reasonably consistent rates of sexual aggression from adolescence to the first 2 years of college. The current study takes a person-centered approach to sexual aggression in an attempt to resolve this discrepancy. We examined the possibility of cohesive subgroups of men in terms of their frequency of sexual aggression across the pre-college and college years. A series of latent class growth models were fit to an existing longitudinal dataset of sexual experiences collected across four time points-pre-college through year 3 of college. A four-trajectory model fit the data well, exhibiting significantly better fit than a three-trajectory model. The four trajectories are interpreted as men who perpetrate sexual aggression at (1) low (71.5% of the sample), (2) moderate (21.2%), (3) decreasing (4.2%), and (4) increasing (3.1%) frequencies across time. Negative childhood experiences predicted membership of the decreasing trajectory, relative to the low trajectory, but did not predict membership of the increasing trajectory, explaining the discrepancy uncovered by White and Smith. Implications for primary prevention of sexual aggression are discussed.

Objective: Researchers rarely have an opportunity to study first-person narratives of sexual assault perpetration. Because of a prompt anonymously posted to a popular online community, we were able to examine perpetrators' own descriptions of, and justifications for, sexual assault. Method: Thematic analysis was conducted on a sample of 68 anonymous first-person accounts of sexual assault perpetration collected from Reddit.com. Results: Themes focus on sexual scripts, victim blame, hostile sexism, biological essentialism, objectification, and sociosexuality. Relationships among these themes are described. Conclusion: We contextualize our findings in the empirical literature on sexual assault and in earlier related feminist theory. Our goal is to use these novel data to further inform research and prevention efforts, making recommendations for policy and clinical efforts such as clinical intervention with perpetrators to decrease cognitive distortions of blame.

The purpose of this study was to understand sexual assault perpetrators' emotional responses to perpetration to facilitate treatment development and to better understand processes that may give rise to repeat perpetration. Sixty-one firsthand narratives of sexual assault perpetration, posted on Reddit.com , were analyzed using qualitative text analysis. The analysis revealed four primary emotional responses to perpetrating sexual assault: shame, guilt, depression, and anger. Each emotional response was associated with different contextual features that appeared in the narratives. Shame co-occurred with perpetrator alcohol use and consent confusion, guilt co-occurred with perpetrators' stated self-growth, anger co-occurred with denial of responsibility and hostility toward women, and depressed affect co-occurred with social isolation following perpetration. The findings indicate certain emotional responses may be more adaptive than others for protecting against repeat perpetration. This research has important implications for the treatment of perpetrators and supports the idea that self-image and perceived social context may be important treatment targets.

Research Questions: Rape prevention practice and policy have roots in data from 1985. This study uses 2015 national data to project recent prevalence, assesses whether rates now differ from those of 30 years ago, and disaggregates 2015 prevalence into rape of alcohol incapacitated victims, rapes combining both alcohol and physical tactics, and violent rape. Methods: Cross-sectional analyses were conducted comparing two national samples. The first was collected in 1984-85 (Koss, Gidycz, & Wisniewski, 1987); the second was collected 30 years later in 2014-2015. Both surveys used in-person administration and measurement by the most current version at the time of the Sexual Experiences Survey (SES). Prevalence rates were compared using Bayesian binomial tests. Results: In 2015, 33.4% (1 in 3) of women reported experiencing rape or attempted rape and 12.7% of men reported perpetration (1 in 8). Using Jeffreys' label for effect size of the Bayes binomial (1961), both results are “decisively” greater than expected given the 1985 benchmarks of 27.9% for victimization and 7.7% for perpetration. Victimization when incapacitated characterized approximately 75% of incidents in 2015 up from 50% in 1985. Cautions apply as cross-sectional data does not establish causality and the recent data set involved the revised SES. Conclusions: Across 30 years, neither containment nor reduction of rape was demonstrated and the increasingly prominent association with alcohol was apparent. Among the men who disclosed raping, 9 of 10 incidents were alcohol-involved. Prevention focus might profitably be directed to constraining alcohol environments and policies that facilitate rape of incapacitated persons and on misconduct responses that are proportional to the harm caused to rape victims, thereby raising the perceived risks of perpetration.

This represents the first review of physio-therapy service use based on an insurance dataset. A range of factors were related to high use of physiotherapy services. It is hoped that identifying the mean number and spread of physiotherapy interventions for whiplash associated disorders, and the profile of high users of physiotherapy will help gauge the success of strategies to maximize the efficacy of physiotherapy management of whiplash associated disorders.