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psychopathology

Impact of Event Scale–Revised (IES-R) Test

Take the online Impact of Event Scale–Revised (IES-R) Test - AI psychologist FreudlyYou can take Impact of Event Scale–Revised (IES-R) Testhere. Online version of a simple and accurate psychological test with interpretation.en
Understand how trauma may still be affecting you in about 5 minutes. This 22 item check-in flags key PTSD symptoms and helps track change over time.
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Questions: 225 minutes
08:30
October 2, 2025
October 2, 2025
Material has been updated
October 2, 2025
Material has been published
17,172 views
1,647 completions
1,320 likes
Verified by Daniel Hall
Psychologist with 25 years of experience
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Scale Explorer

How the Scales are Structured

example score
12/35
Hyperarousal (H)
Measures trauma-related hyperarousal symptoms such as irritability, heightened alertness, and concentration difficulties.
Low
Moderate
High
0 – 11: Low | 12 – 23: Moderate | 24 – 35: High
A score of 12 falls in the Moderate range, suggesting a noticeable but not extreme level of post-traumatic irritability and heightened alertness.
example score
31/40
Avoidance (A)
Measures how strongly a person avoids trauma-related thoughts, feelings, and situations.
Low
Moderate
High
0 – 13: Low | 14 – 26: Moderate | 27 – 40: High
A score of 31 falls in the High range, suggesting frequent avoidance of reminders and internal experiences linked to the traumatic event.
example score
5/35
Intrusion (I)
Measures how often intrusive thoughts, images, dreams, or other involuntary reminders of the traumatic event occur.
Low
Moderate
High
0 – 11: Low | 12 – 23: Moderate | 24 – 35: High
A score of 5 falls in the Low range, suggesting intrusive re-experiencing reminders have been reported infrequently.
example score
68/110
Impact of Event Scale (IoES)
Measures the overall severity of post-traumatic stress reactions and the psychological impact of a traumatic event.
Low impact
Moderate impact
High impact
0 – 36: Low impact | 37 – 73: Moderate impact | 74 – 110: High impact
A score of 68 falls in the Moderate impact range, suggesting a notable level of post-traumatic stress symptoms that may be affecting daily functioning.
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DATA-BASED USER COHORTS

Who Usually Takes This Test?

Recent trauma survivors
41%OF USERS
People who have been through an accident, assault, disaster, or sudden loss and want to understand whether their reactions match common PTSD symptoms.
People with lingering distress
34%OF USERS
Those who feel stuck with intrusive memories, avoidance, sleep problems, or hypervigilance weeks or months after an upsetting event and want a quick self-check.
Clients tracking therapy progress
25%OF USERS
People already in counseling or treatment who use the questionnaire to monitor how their symptoms change over time and share results with a clinician.
BASED ON AGGREGATED, ANONYMIZED DATA FROM TENS OF THOUSANDS OF FREUDLY USERS.
Benchmarking

See How You Compare

Once you complete the test, your results are compared with real-world data from people in your country.
Below is a preview of how scores are typically distributed across each scale.
Excitability (E)
Excitability (E)
Average
14.7
Normal range
8.4 — 21
min.
0
max.
35
This curve shows how scores are typically distributed.
Once you complete the test, your result will appear on the scale so you can see how you compare.
Avoidance (A)
Avoidance (A)
Average
28.6
Normal range
23 — 34.1
min.
0
max.
40
This curve shows how scores are typically distributed.
Once you complete the test, your result will appear on the scale so you can see how you compare.
Invasion (I)
Invasion (I)
Average
16.4
Normal range
9.8 — 22.9
min.
0
max.
35
This curve shows how scores are typically distributed.
Once you complete the test, your result will appear on the scale so you can see how you compare.
Traumatic Event Impact Assessment Scale (TEIAS)
Traumatic Event Impact Assessment Scale (TEIAS)
Average
46.2
Normal range
29.6 — 62.8
min.
0
max.
110
This curve shows how scores are typically distributed.
Once you complete the test, your result will appear on the scale so you can see how you compare.
Start Online Test
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SAMPLE QUESTIONS

Example Questions From the Test

Below are descriptions of experiences reported by people who have been through severe stressful events. Please indicate the extent to which you have experienced these feelings in relation to a similar event you experienced in the past. Select the response option that best reflects how often you have had this experience during the past 7 days, including today.
    • Not at all
    • A little bit
    • Sometimes
    • Often
    • Never
    • Rarely
    • Sometimes
    • Often
    • Never
    • Rarely
    • Sometimes
    • Often
These are 3 of the 22 real questions — the rest appear in the test. No sign-up needed to start.
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WHAT THE TEST MEASURES
About This Assessment
Impact of Event Scale - Revised (IES-R) Test

Impact of Event Scale–Revised (IES-R) Test - Symptoms and Signs

psychopathology
ptsd

This self-report measure is used to assess subjective distress following exposure to a specific traumatic event. The Impact of Event Scale-Revised (IES-R) helps characterize the frequency of commonly reported posttraumatic stress symptoms over a recent time frame and can inform initial clinical formulation.

Developed by Mardi J. Horowitz, Nancy Wilner, and William Alvarez, it consists of 22 items and typically takes about 5 minutes to complete. It is often used in clinical and research settings to support symptom monitoring over time and to guide discussion of trauma-related experiences; results should be interpreted in conjunction with clinical interview, history, and other relevant measures.

The Impact of Event Scale-Revised (IES-R) is not a stand-alone diagnostic instrument and does not replace a comprehensive evaluation for posttraumatic stress disorder or related conditions.

Author: Mardi J. Horowitz, Nancy Wilner, William Alvarez
Literature: Weiss, D. S., & Marmar, C. R. The impact of event scale—revised. In J. P. Wilson & T. M. Keane (Eds.), Assessing psychological trauma and PTSD. Guilford Press. 1997.
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