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Related Concept Videos

Post-traumatic Stress Disorder01:27

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, are a...
Panic Disorder01:27

Panic Disorder

Panic disorder is an anxiety disorder characterized by recurrent and sudden minutes-long episodes of intense fear, known as panic attacks. These attacks may feel like heart attacks and often happen without warning or a specific cause. They can include symptoms such as rapid heart rate, shortness of breath, chest pain, trembling, sweating, dizziness, and a sense of helplessness. During a panic attack, individuals may feel as though they are experiencing a heart attack or are in a...
Self-Report Tests of Personality01:22

Self-Report Tests of Personality

Self-report inventories are objective personality assessments that use multiple-choice items or numbered scales, typically ranging from 1 (strongly disagree) to 5 (strongly agree). They are often called Likert scales after Rensis Likert. These inventories are widely used due to their ease of administration and cost-effectiveness. One of the most prominent examples is the Minnesota Multiphasic Personality Inventory (MMPI), initially developed in the 1940s to assess abnormal personality traits.
Dissociative Identity Disorder01:30

Dissociative Identity Disorder

Dissociative Identity Disorder (DID), previously termed multiple personality disorder, is a complex psychological condition characterized by the presence of two or more distinct identities or personality states. Each identity exhibits unique patterns of behavior, voice, and mannerisms and may possess separate memories and emotional responses. The alternating control between identities can result in memory gaps and challenges in recalling daily activities, often exacerbating the individual's...
Theoretical Approaches to Psychological Disorder01:29

Theoretical Approaches to Psychological Disorder

The development of psychological disorders, which are characterized by deviant, maladaptive, and personally distressing behaviors, has been explored through several theoretical approaches.
Biological approach
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Generalized Anxiety Disorder (GAD) is a chronic condition characterized by excessive and uncontrollable worry that persists for at least six months, significantly interfering with daily functioning. Unlike situational anxiety, which arises in response to specific stressors, GAD often occurs without a clear cause. Individuals may experience disproportionate worry about work, health, or relationships. For instance, a person might continuously fear poor health despite normal medical evaluations or...

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Developing Neuroimaging Phenotypes of the Default Mode Network in PTSD: Integrating the Resting State, Working Memory, and Structural Connectivity
10:43

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Published on: July 1, 2014

Posttraumatic stress disorder instrument wording content is associated with differences in factor structure.

Jon D Elhai1, Tracey L Biehn, James A Naifeh

  • 1Department of Psychology, University of Toledo, Toledo, Ohio 43606-3390, USA.

Journal of Traumatic Stress
|March 29, 2011
PubMed
Summary

Different wording in posttraumatic stress disorder (PTSD) measures impacts its factor structure. The dysphoria model best fit PTSD Checklist and PTSD Symptom Scale data, suggesting wording influences diagnostic interpretation.

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Area of Science:

  • Psychology
  • Psychiatry
  • Mental Health Research

Background:

  • The factor structure of posttraumatic stress disorder (PTSD) is crucial for understanding its underlying dimensions.
  • Existing PTSD measures may have variations in item wording that could influence diagnostic outcomes.
  • Investigating these wording differences is essential for accurate PTSD assessment and diagnosis.

Purpose of the Study:

  • To examine how differences in item wording affect the factor structure of posttraumatic stress disorder (PTSD).
  • To compare the fit of two distinct PTSD factor models (emotional numbing vs. dysphoria) based on measure wording.

Main Methods:

  • Nonclinical, trauma-exposed participants were recruited.
  • Participants were randomly assigned to complete either the PTSD Checklist or the PTSD Symptom Scale.
  • Confirmatory factor analysis was used to compare model fit using Bayesian information criterion (BIC) values.

Main Results:

  • The 4-factor dysphoria model demonstrated a better fit than the 4-factor emotional numbing model across both measurement groups.
  • Specifically, the dysphoria model yielded lower BIC values for both the PTSD Checklist and PTSD Symptom Scale.
  • Significant differences were observed in variable intercepts and residual variances between the groups.

Conclusions:

  • Item wording in PTSD measures significantly influences the resulting factor structure.
  • The dysphoria model appears more robust across different wording formats compared to the emotional numbing model.
  • Findings have implications for the selection and interpretation of PTSD assessment instruments and diagnostic constructs.