Psychometric Properties Summary

The CPSS-SR is a modified version of Child PTSD Symptom Scale self-report (CPSS-SR) for DSM-5. The 20 PTSD symptom items are rated on a 5-point scale of frequency and severity from 0 (not at all) 4 (6 or more times a week/severe). The 7 functioning items are rated on yes/no. Use the 20 symptom items to calculate a total symptom severity score. The CPSS-SR-5 also demonstrates convergent validity with CPSS-I-5 (r= .904), and discriminant validity with the Multidimensional Anxiety Scale (MASC) for Children and Child Depression Inventory (CDI). A cut out score of 31 can be used for identifying a probable PTSD diagnosis in children. In sum, the CPSS-SR-5 is a valid and reliable self-report instrument for assessing DSM-5 PTSD diagnosis and severity for children and adolescents.

CPSS Symptom Severity Ranges

Symptom Severity Range Minimal 1-10 Mild 11-20 Moderate 21-40 Severe 41-60 Very Severe 61-80 Note: we have included on the following page a trauma screen checklist in the event the clinician would find this helpful prior to doing the CPSS-V SR. Completing it is optional.

Trauma Screen

INSTRUCTIONS

Many children go through frightening or stressful events. Below is a listed of frightening or stressful events that can happen. Mark YES if you have experienced any of these events. Mark NO if you have not experienced these events.

Describe:

Which of these events bothers you most?

If you answered NO to all of the above questions, STOP. If you answered YES to any of the above questions, please answer the following questions.

When the event happened, did you feel:

CPSS-V

Sometimes scary or upsetting things happen to kids. It might be something like a car accident, getting beaten up, living through an earthquake, being robbed, being touched in a way you didn't like, having a parent get hurt or killed, or some other very upsetting event.

Please write down the scary or upsetting thing that bothers you the most when you think about it (this should be the event you listed in the Trauma Screen, if the Trauma Screen was used):

When did it happen?

0-Not at all 1-Once a week or less/a little 2-2 to 3 times a week/somewhat 3-4 to 5 times a week/a lot 4-6 or more times a week/almost always

These questions ask about how you feel about the upsetting thing you wrote down. Read each question carefully. Then pick the number (0-4) the best describes how often that problem has bothered you IN THE LAST MONTH.

Have the problems above been getting in the way of these parts of your life IN THE PAST MONTH?

Therapy services provided in part by CICF

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