Reducing the onset of negative affect in adolescents: evaluation of a perfectionism program in a universal prevention setting.

Objective: The aim of the current study was to evaluate a prevention program targeting unhelpful perfectionism and self-compassion, designed to prevent growth of negative affect (NA).

Method: Four schools participated in the research, where grade levels were allocated to either the intervention ("Healthy Minds") or the control condition (N = 688 individuals; mean age 14.90 years), and assessments occurred at baseline, post-intervention, and 6- and 12-month follow-up.

Screening and predicting posttraumatic stress and depression in children following single-incident trauma.

Three screening methods to predict posttraumatic stress disorder (PTSD) and depression symptoms in children following single-incident trauma were tested. Children and adolescents (N = 90; aged 7-17 years) were assessed within 4 weeks of an injury that led to hospital treatment and followed up 3 and 6 months later. Screening methods were adapted from existing instruments and examined (a) an Australian version of the Screening Tool for Predictors of PTSD (STEPP-AUS), (b) an abbreviated measure of initial PTSD severity, and (c) an abbreviated measure of initial maladaptive trauma-specific beliefs.

Predictors of posttraumatic stress in children following injury: The influence of appraisals, heart rate, and morphine use.

Prospective studies of posttraumatic stress disorder (PTSD) in children that investigate simultaneously both cognitive and biological or psychophysiological predictors are rare. The present research reports on the impact of cognitive factors (trauma-related appraisals) and biological indicators (heart rate, morphine use) in predicting PTSD and depression symptoms following single-incident trauma. Children and adolescents (N=48) were assessed within 4 weeks of an injury that led to hospital treatment and followed up 6-months later.