Impulsivity has been conceptualized as influencing the expression of suicidal behavior. Adolescence is a developmental period characterized both by a relatively high rate of suicide attempts and a high level of impulsivity. The current study examined two behavioral measures (delay reward and disinhibition) and one self-report measure of…

The psychometric characteristics of the IBR Modified Overt Aggression Scale were studied in over 2,000 people with Intellectual Disability (ID). Reliability ranged from good to excellent. Aggression toward others and objects was highest in the youngest adults, in those in the moderate to severe range of ID, and in those with an autism spectrum…

The purpose of this study was to examine the correlates that define relational aggression among middle school girls, the relationships among these factors, and the association between the correlates of relational aggression and the type of relational aggression (e.g., verbal, withdrawal) exhibited among middle school girls. The findings of this…