What is the Post-Traumatic Inventory (PTI)?

The Post-Traumatic Inventory assesses trauma exposure and PTSD symptoms based on DSM-5 criteria. It evaluates the full spectrum of trauma-related experiences and symptoms.

Who developed the PTI and when?

Developed based on DSM-5 criteria for PTSD and validated trauma assessment instruments.

What type of assessment is the PTI?

It is a self-report questionnaire assessing trauma exposure and PTSD symptoms.

What does the PTI assess?

• Trauma exposure and Criterion A
• Intrusion symptoms (unwanted memories, nightmares)
• Avoidance behaviors
• Negative cognitions and mood
• Arousal and reactivity symptoms
• Functional impairment

How many items and what format?

10 items, including trauma exposure screening and 9 symptom items rated 0-4.

How is the PTI scored?

Symptom items scored 0-4, total score 0-36. Diagnosis based on DSM-5 criteria.

Are there versions of the PTI?

Standard version; can be adapted for specific trauma types.

Who can use the PTI?

Adults who have experienced trauma; used in clinical and research settings.

What are the strengths of the PTI?

DSM-5 aligned, comprehensive symptom coverage, good clinical utility.

What are the limitations of the PTI?

Self-report bias possible; requires trauma exposure for PTSD diagnosis.

How is the PTI used?

Clinical screening, treatment planning, outcome monitoring.