Adolescent posttraumatic stress disorder: An examination of factor structure reliability in two national samples

▶ Many PTSD factor structures fit adolescent data well. ▶ High inter-factor correlations are problematic. ▶ The DSM-IV PTSD diagnosis may include symptoms that are not meaningful or accurate indicators of the disorder. ▶ The DSM-IV PTSD diagnosis may exclude symptoms that would help to distinguish the most valid and reliable PTSD factor structure.