UCLA PTSD Reaction Index for Children/Adolescents (UCLA PTSD-RI)
A self-report instrument designed to screen for exposure to traumatic events and assess PTSD symptoms in children and adolescents.
Scale Development & Technical Details
Scale Overview
The UCLA PTSD Reaction Index for Children/Adolescents (UCLA PTSD-RI) was developed by Robert S. Pynoos, Alan M. Steinberg, Brittany Beyerlein, Rodriguez, Stuber, & Frederick (1998). It is designed to measure Posttraumatic Stress Disorder (PTSD). The scale is intended for use with Children and adolescents.
Scale Structure
This instrument consists of 31 items organized into 2 factors/subscales: PTSD Symptoms, Dissociative Symptoms.
| Factor / Subscale | Items | N |
|---|---|---|
| PTSD Symptoms | 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27 | 27 |
| Dissociative Symptoms | 28,29,30,31 | 4 |
Response Format
Respondents rate each item using a custom response format.
Response anchors: 0 = None, 1 = Little, 2 = Some, 3 = Much, 4 = Most.
Scoring
Items are scored by subscale, with each subscale sum representing a distinct dimension.
Total scores range from 0 to 108. Interpretation guidelines:
- Minimal/Normal: 0 – 11
- Mild PTSD Symptoms: 12 – 24
- Moderate PTSD Symptoms: 25 – 37
- Severe PTSD Symptoms: 38 – 108
Psychometric Properties
Internal Consistency: The scale has demonstrated good to excellent internal consistency with reported Cronbach’s alpha values of 0.88-0.91.
Administration
The scale is self-administered and typically takes approximately 10 minutes to complete. It can be administered individually or in group settings. No special training is required for administration.