Growing up in socioeconomic disadvantage increases risk of peer bullying at school. Both socioeconomic status and involvement in bullying are predictive of a range of adverse developmental outcomes. However, neither (a) the mechanisms whereby disadvantage increases bullying risk nor (b) the developmental outcomes for which bullying may mediate…

In this study the pattern of temporal variation in innovation rates is examined in the context of Western IQ measures in which historical genotypic gains and losses along with the Flynn effect are considered. It is found that two alternative genotypic IQ estimates based on an increase in IQ from 1455 to 1850 followed by a decrease from 1850 to the…

Prisonization (as measured by number of prior incarcerations) and concurrent instrumental offending (as measured by contemporaneous kidnapping, rape, robbery, and burglary offenses) were found to interact in 160 multiple-homicide offenders and 494 single-homicide offenders. Controlling for age, gender, race, criminal history, prior incarcerations,…

We examine what types of violent offenses tend to be planned using self-report data from a nationally representative sample of state and federal inmates. We find mixed support for the idea that predatory offenses are more likely to be planned than dispute-related offenses. As expected, robbery offenders are much more likely to report that they…

Intimate partner violence (IPV) constitutes the majority of assaults against women in the United States, and greater than one third of female homicide victims are murdered by an intimate partner. In a small percentage of cases, battered women kill their abusers, and evidence of battering and its effects may be used to support a plea of…

The purpose of this study was to evaluate whether psychological symptoms, negative social events, treatment-related information, and degree of insight into one's illness predicted current homicidality in a population of clients with psychosis (N = 170). Multiple regression analyses revealed that homicidality can be reliably predicted when clients…

The Danger Assessment (DA) is an instrument designed to assess the likelihood of lethality or near lethality occurring in a case of intimate partner violence. This article describes the development, psychometric validation, and suggestions for use of the DA. An 11-city study of intimate partner femicide used multivariate analysis to test the…