“…Even though a number of systematic reviews focusing on intervention for children and adolescents who have experienced trauma have been conducted (e.g., Adler-Nevo & Manassis, 2005;Cohen, Mannarino, Murray, & Igelman, 2006;Feeny, Treadwell, Foa, & March, 2004;Lawrence, De Silva, & Henley, 2010;Persson & Rousseau, 2009;Pine & Cohen, 2002;Silverman et al, 2008;Taylor & Chemtob, 2004), reviews focusing specifically on school-based intervention are virtually nonexistent. The aim of our study was therefore to identify and examine the effectiveness of school-based intervention programs for reducing posttraumatic stress disorder (PTSD) symptoms.…”