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Post-traumatic Stress Disorder

Post-traumatic Stress Disorder

Post-traumatic stress disorder (PTSD) is a psychiatric condition that arises following exposure to traumatic events such as natural disasters, forced displacement, or severe accidents. It significantly impairs individuals' ability to cope with daily activities and disrupts their emotional and psychological equilibrium.
Symptoms and Behavioral Manifestations
A spectrum of distressing symptoms characterizes PTSD. Recurrent flashbacks, where individuals involuntarily relive traumatic events,...

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Computerized Adaptive Testing System of Functional Assessment of Stroke

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Development and Validation of a Computerized-Adaptive Test for PTSD (P-CAT).

Susan V Eisen¹, Mark R Schultz¹, Pengsheng Ni¹

¹When this work was done, Dr. Eisen was with the Center for Healthcare Organization and Implementation Research at the Edith Nourse Rogers Memorial Veterans Hospital, Bedford, Massachusetts, where Dr. Schultz and Dr. Smith are affiliated. Dr. Eisen was also formerly with the Department of Health Policy and Management, Boston University School of Public Health, Boston (e-mail: seisen@bu.edu ). Dr. Smith is also with the Department of Psychiatry, University of Massachusetts Medical School, Worcester. Dr. Ni and Dr. Jette are with the Health and Disability Research Institute, Boston University School of Public Health, Boston, where the late Dr. Haley was affiliated. Dr. Spiro is with the Massachusetts Veterans Epidemiology Research and Information Center, Jamaica Plain Campus, Department of Veterans Affairs (VA) Boston Health Care System, and with the Department of Psychiatry, Boston University School of Medicine, Boston. Dr. Osei-Bonsu is with the Center for Chronic Disease Outcomes Research, Minneapolis VA Health Care System, Minneapolis, Minnesota. Dr. Nordberg is with Atrius Health, Harvard Vanguard Medical Associates, Boston.

Psychiatric Services (Washington, D.C.)

|June 2, 2016

Summary

This summary is machine-generated.

A new computerized-adaptive test (CAT) for posttraumatic stress disorder (PTSD) was developed and validated. This P-CAT tool efficiently and accurately assesses PTSD symptoms in veterans, offering a promising advancement in mental health monitoring.

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Area of Science:

Psychiatry and Mental Health
Psychometrics
Clinical Psychology

Background:

Posttraumatic stress disorder (PTSD) assessment can be burdensome.
Efficient and accurate monitoring of PTSD symptoms is crucial for veterans' mental health.
Existing assessment methods may lack efficiency or require extensive resources.

Purpose of the Study:

To develop, field test, and validate a computerized-adaptive test (CAT) for PTSD.
To enhance the accuracy and efficiency of PTSD assessment.
To reduce the burden associated with PTSD symptom monitoring.

Main Methods:

A sample of 1,288 veterans was used for development and validation.
Item response theory (IRT) models calibrated 89 items for the P-CAT.
The P-CAT was validated against established PTSD measures and diagnostic interviews.

Main Results:

The P-CAT demonstrated good model fit for PTSD symptomatology.
The P-CAT accurately discriminated veterans with PTSD from other groups (Cohen's d > .90).
High correlations (r=.85-.89) supported the P-CAT's concurrent validity.

Conclusions:

The P-CAT is a promising tool for efficient and accurate PTSD assessment.
Further research is needed to assess its responsiveness to change over time.
CAT represents a viable and efficient assessment method for PTSD in technological settings.