Impact of an Event
Not at all |
Rarely |
Sometimes |
Often |
|||
1. |
I thought about it when I didn’t mean to. |
0 |
1 |
3 |
5 |
|
2. |
I avoided letting myself get upset when I though about it or was reminded about it. |
0 |
1 |
3 |
5 |
|
3. |
I tried to remove it from memory. |
0 |
1 |
3 |
5 |
|
4. |
I had trouble falling asleep or staying asleep because of pictures or thoughts about it that came to my mind. |
0 |
1 |
3 |
5 |
|
5. |
I had waves of strong feelings about it. |
0 |
1 |
3 |
5 |
|
6. |
I had dreams about it. |
0 |
1 |
3 |
5 |
|
7. |
I stayed away from reminders about it. |
0 |
1 |
3 |
5 |
|
8. |
I felt as if it hadn’t happened or was un real. |
0 |
1 |
3 |
5 |
|
9. |
I tried not to talk about it. |
0 |
1 |
3 |
5 |
|
10. |
Pictures about it popped into my mind. |
0 |
1 |
3 |
5 |
|
11. |
Other things kept making me think about it. |
0 |
1 |
3 |
5 |
|
12. |
I was aware that I still had a lot of feelings about it‚ but I didn’t deal with them. |
0 |
1 |
3 |
5 |
|
13. |
I tried not to think about it. |
0 |
1 |
3 |
5 |
|
14. |
Any reminder brought back feelings about it. |
0 |
1 |
3 |
5 |
|
15. |
My feelings about it were kind of numb. |
0 |
1 |
3 |
5 |
|
__0__ |
+ ____ |
+ _________ |
+ ___ |
= ___ |
27 or more |
There is a 75% chance that you have Post Traumatic Stress Disorder (PTSD).4 Those who do not have full PTSD may have partial PTSD or at least some of the symptoms. |
35 and above |
This represents the best cutoff for a probable diagnosis of PTSD.5 Consider consulting a mental health professional who is skilled in treating such issues. |
Horowitz‚ M. Wilner‚ N. & Alvarez‚ W. (1979). Impact of Event Scale: A measure of subjective stress. Psychosomatic Medicine‚ 41‚ 209-218.
Weiss‚ D.S.‚ & Marmar‚ C.R. (1997). The Impact of Event Scale-Revised. In J.P. Wilson & T.M. Keane (Eds.)‚ Assessing Psychological Trauma and PTSD (pp.399-411). New York: Guilford.
Hutchins‚ E. & Devilly‚ G.J. (2005). Impact of Events Scale. Victim’s Web Site. http://www.swin.edu.au/victims/resources/assessment/ptsd/ies.html
Coffey‚ S.F. & Berglind‚ G. (2006). Screening for PTSD in motor vehicle accident survivors using PSS-SR and IES. Journal of Traumatic Stress. 19 (1): 119-128.
Neal‚ L.A.‚ Walter‚ B.‚ Rollins‚ J.‚ et al. (1994). Convergent Validity of Measures of Post-Traumatic Stress Disorder in a Mixed Military and Civilian Population. Journal of Traumatic Stress. 7 (3): 447-455.
Asukai‚ N. Kato‚ H. et al. (2002). Reliability and validity of the Japanese-language version of the Impact of event scale-revised (IES-R-J). Journal of Nervous and Mental Disease. 190 (3): 175-182.
Creamer‚ M. Bell‚ R. & Falilla‚ S. (2002). Psychometric properties of the Impact of Event Scale-Revised. Behaviour Research and Therapy. 41: 1489-1496.
Kawamura‚ N. Yoshiharu‚ K. & Nozomu‚ A. (2001) Suppression of Cellular Immunity in Men with a Past History of Post Traumatic Stress Disorder. American Journal of Psychiatry. 158: 484-486