"Third, additional studies are needed of interventions that aim to prevent or reduce symptoms of mental illness among disaster victims (42, 49). Although some interventions have been deemed efficacious in randomized controlled studies, effectiveness studies are needed to evaluate how well interventions work in the general population with practicing clinicians (38) and how well they prevent or reduce comorbid depression and substance use disorders..."
"The disaster context introduces additional methodological challenges, over and above the challenges that affect all studies of mental health, in four key areas: defining the target population, obtaining a representative sample of affected persons from this population, implementing an appropriate study design, and measuring key constructs"
"Psychological first aid (PFA) has become the preferred post-disaster intervention, with three goals: Secure survivors’ safety and basic necessities (e.g., food, medical supplies, shelter), which promotes adaptive coping and problem solving; reduce acute stress by addressing post-disaster stressors and providing strategies that may limit stress reactions; and help victims obtain additional resources that may help them cope and regain feelings of control."