Tool-Description

The Short Post-Traumatic Stress Disorder Rating Interview (SPTSDRI) is a brief and reliable tool used for assessing symptoms of Post-Traumatic Stress Disorder (PTSD) in individuals who have experienced traumatic events. This scale consists of questions that examine an individual’s reactions to traumatic experiences, focusing on the main symptoms of PTSD, such as:
Re-experiencing: Reliving the trauma through flashbacks or nightmares.
Avoidance: Efforts to avoid stimuli that remind one of the trauma.
Hyperarousal: Increased alertness, irritability, or difficulty sleeping.
The SPTSDRI is useful for the rapid diagnosis of PTSD symptoms in various settings, including clinical, research, and military environments.

Data Analysis and Usage

Data collected from the SPTSDRI are used to assess the severity of PTSD symptoms and identify individuals who may need further psychological support or intervention. The analytical processes include:
Reliability analysis to ensure the scale consistently measures symptoms, often using Cronbach’s alpha.
Confirmatory factor analysis to examine the scale’s structure and validity regarding PTSD dimensions.
Correlation analysis to explore the relationship between PTSD symptoms and other psychological variables, such as depression, anxiety, or quality of life.
The results from the SPTSDRI can be used in clinical settings for diagnosing and monitoring the progression of PTSD, as well as in research programs for understanding the phenomenon of post-traumatic stress.

Purpose

The goal of the SPTSDRI is to provide a reliable and quick assessment of PTSD symptoms, helping to:
Rapidly diagnose and monitor individuals who have experienced traumatic events.
Evaluate the effectiveness of therapeutic interventions for PTSD.
Facilitate research on the prevalence and factors associated with PTSD.

Calibration

The calibration of the SPTSDRI includes:
Reliability analysis to determine the internal consistency and stability of the scale.
Factor analysis to ensure that the scale accurately measures the core dimensions of PTSD.
Cross-validation in various populations to ensure the scale’s validity and generalizability.

Bibliography

Davidson, J. R., Book, S. W., Colket, J. T., et al. (1997). Assessment of a new self-rating scale for post-traumatic stress disorder. Psychological Medicine, 27(1), 153-160.
Foa, E. B., Riggs, D. S., & Gershuny, B. S. (1995). Arousal, numbing, and intrusion: Symptom structure of PTSD following assault. American Journal of Psychiatry, 152(1), 116-120.
Weathers, F. W., Keane, T. M., & Davidson, J. R. T. (2001). Clinician-Administered PTSD Scale: A review of the first ten years of research. Depression and Anxiety, 13(3), 132-156.