Impact of Life Event Scale is a 15-item measure of the current subjective distress felt by the respondent related to a specific potentially stressful life event. This scale includes two sub-scales: intrusion and avoidance.
Geographies Tested: United States of America
Populations Included: Female, Male
Age Range: Adults
On (date) you experienced (life event)
Below is a list of comments made by people after stressful life events. Please check each item, indicating how frequently these comments were true for you DURING THE PAST SEVEN DAYs. If they did not occur during that time, please mark the "not at all" column.
1. I thought about it when I didn't mean to.
2. I had trouble falling or staying asleep, because of pictures or thoughts about it that came into my mind.
3. I had waves of strong feelings about it.
4. I had dreams about it.
5. Pictures about it popped into my mind.
6. Other things kept making me think about it.
7. Any reminder brought back feelings about it.
8. I avoided letting myself get upset when I thought about it or was reminded of it.
9. I tried to remove it from memory.
10. I stayed away from reminders of it.
11. I felt as if it hasn't happened or it wasn't real.
12. I tried not to talk about it.
13. I was aware that I still had a lot of feelings about it, but I didn't deal with them.
14. I tried not to think about it.
15. My feelings about it were kind of numb.
Not at all
The mean is calculated for both the sub-scales and total scale scores.
Horowitz, M., Wilner, N., & Alvarez, W. (1979). Impact of Event Scale: A measure of subjective stress. Psychosomatic Medicine, 41(3), 209-218.
Ease of Use Score
Existing Literature/Theoretical Framework
Field Expert Input
Cognitive Interviews / Pilot Testing