| 1. Repeated, disturbing, and unwanted memories of the stressful experience? | | | | | |
| 2. Repeated, disturbing dreams of the stressful experience? | | | | | |
| 3. Suddenly feeling or acting as if the stressful experience were actually happening again? | | | | | |
| 4. Feeling very upset when something reminded you of the stressful experience? | | | | | |
| 5. Having strong physical reactions when something reminded you of the stressful experience? | | | | | |
| 6. Avoiding memories, thoughts, or feelings related to the stressful experience? | | | | | |
| 7. Avoiding external reminders of the stressful experience (e.g., people, places, activities)? | | | | | |
| 8. Trouble remembering important parts of the stressful experience? | | | | | |
| 9. Strong negative beliefs about yourself, other people, or the world? | | | | | |
| 10. Blaming yourself or someone else for the stressful experience? | | | | | |
| 11. Strong negative feelings such as fear, horror, anger, guilt, or shame? | | | | | |
| 12. Loss of interest in activities that you used to enjoy? | | | | | |
| 13. Feeling distant or cut off from other people? | | | | | |
| 14. Trouble experiencing positive feelings (e.g., happiness, love)? | | | | | |
| 15. Irritable behavior, angry outbursts, or acting aggressively? | | | | | |
| 16. Taking too many risks or doing things that could cause harm? | | | | | |
| 17. Being 'superalert' or watchful or on guard? | | | | | |
| 18. Feeling jumpy or easily startled? | | | | | |
| 19. Having difficulty concentrating? | | | | | |
| 20. Trouble falling or staying asleep? | | | | | |