Dissociation Beliefs Scale (DBS)

1. Abstract

The Dissociation Beliefs Scale (DBS) is a psychometric self-report assessment developed to systematically evaluate an individual’s explicit cognitive evaluations, appraisals, and metacognitive beliefs regarding dissociative phenomena. Originally introduced and validated by Vancappel, Kerbage, Réveillère, and El Hage (2023), the DBS operationalizes how patients conceptualize their own dissociative experiences—such as depersonalization, derealization, psychogenic amnesia, and emotional numbing—within a structured cognitive-behavioral framework. Comprising 16 items derived from preliminary qualitative investigations of patient verbatim accounts (Vancappel et al., 2022b), the instrument assesses two primary content dimensions: Positive Beliefs about Dissociation (conceptualizing dissociation as an adaptive coping strategy, protective barrier, emotional shield, or cognitive escape mechanism) and Negative Beliefs about Dissociation (interpreting dissociative detachment as an uncontrollable, catastrophic loss of mental integrity, dangerous impairment, or harbinger of impending madness and permanent cognitive decline).

Psychometrically validated in clinical cohorts diagnosed with Post-Traumatic Stress Disorder (PTSD), the DBS employs a 5-point Likert scale ranging from 1 (strongly disagree) to 5 (strongly agree). Structural equation modeling and factor analytic investigations confirm that a bifactor or three-factor hierarchical representation—subsuming a single general latent dissociation belief dimension and two distinct, orthogonal-to-oblique specific factors for positive and negative appraisals—demonstrates superior goodness-of-fit compared to standard unidimensional or simple correlated two-factor specifications (χ² = 241, df = 87, p < .001; Tucker-Lewis Index [TLI] = .91; Comparative Fit Index [CFI] = .93; Root Mean Square Error of Approximation [RMSEA] = .06). The scale exhibits high internal consistency across its specific subscales, with Cronbach’s alpha and McDonald’s omega reaching α = ω = .84 for Positive Beliefs and α = ω = .80 for Negative Beliefs. Significant concurrent and convergent validity have been substantiated through robust associations with established measures of emotion regulation, traumatic distress, depression, and generalized anxiety. The DBS bridges a crucial diagnostic gap by shifting assessment from the mere frequency of dissociative symptoms to the cognitive-evaluative structures that maintain, exacerbate, or mitigate trauma-related psychopathology.

2. Keywords

Dissociation Beliefs Scale, DBS, Dissociation, Metacognitive Beliefs, Post-Traumatic Stress Disorder, PTSD, Trauma-Related Dissociation, Cognitive Appraisals, Emotion Regulation, Psychometrics, Depersonalization, Derealization, Positive Beliefs, Negative Beliefs

3. Authors

The Dissociation Beliefs Scale was conceptualized, constructed, and psychometrically validated by an interdisciplinary team of clinical psychiatrists, psychologists, and trauma researchers in France:

• A. Vancappel, Ph.D. — Pôle de Psychiatrie-Addictologie, Centre Hospitalier Régional Universitaire (CHRU) de Tours, Tours, France. ORCID: 0000-0002-3206-2009. E-mail: [email protected].
• H. Kerbage, M.D. — Department of Child and Adolescent Psychiatry, Saint Eloi University Hospital, Montpellier, France.
• C. Réveillère, Ph.D. — Département de Psychologie, Qualité de vie et santé psychologique (QualiPsy, EE 1901), Université de Tours, Tours, France.
• W. El Hage, M.D., Ph.D. — Pôle de Psychiatrie-Addictologie, Centre Hospitalier Régional Universitaire (CHRU) de Tours; Inserm U1253, Université de Tours, Tours, France.

4. Purpose

The primary clinical and empirical objective of the Dissociation Beliefs Scale (DBS) is to provide an empirically grounded, standardized metric for assessing explicit beliefs, expectations, and metacognitive interpretations regarding dissociation. For decades, trauma research and psychiatric diagnostics have focused almost exclusively on quantifying the phenomenological manifestation, frequency, and severity of dissociative episodes using classic descriptive inventories such as the Dissociative Experiences Scale (DES) or the Multiscale Dissociation Inventory (MDI). While these legacy inventories successfully document how often an individual experiences psychogenic amnesia, absorption, derealization, or depersonalization, they completely omit the evaluative, meaning-making layer that cognitive-behavioral theory posits as fundamental to symptom maintenance, chronic functional impairment, and psychotherapeutic resistance.

From a cognitive-affective perspective, two individuals experiencing identical baseline frequencies of peritraumatic or posttraumatic depersonalization may exhibit markedly divergent developmental trajectories depending on their idiosyncratic cognitive appraisals. If an individual holds strong positive beliefs regarding dissociation—conceptualizing it as an indispensable defense against intolerable emotional pain or an active, voluntary shield against sensory overstimulation—they may covertly or overtly lean into dissociative detachment. Over time, this dynamic fosters negative reinforcement loops, avoids corrective emotional learning, prevents memory reconsolidation, and solidifies emotional numbing as a habitual, maladaptive coping strategy. Conversely, if an individual harbors catastrophic negative beliefs regarding dissociation—perceiving cognitive fogginess, altered temporal perception, or bodily alienation as evidence of approaching psychosis, physical brain damage, or irreversible loss of control—the onset of mild dissociative states immediately triggers secondary panic, autonomic hyperarousal, and escalating distress. This secondary threat appraisal amplifies physiological arousal, which paradoxically accelerates further dissociative detachment.

The DBS was intentionally developed to disentangle this complex cognitive architecture. Clinically, the instrument provides psychotherapists engaged in Cognitive Behavioral Therapy (CBT), Prolonged Exposure (PE), Eye Movement Desensitization and Reprocessing (EMDR), and Metacognitive Therapy (MCT) with direct targets for psychoeducation and cognitive restructuring. By pinpointing whether a patient’s dissociation is driven by an over-reliance on detachment as a functional sanctuary (positive beliefs) or exacerbated by catastrophic fear of the dissociative symptom itself (negative beliefs), clinicians can tailor exposure protocols, establish individualized grounding routines, and dismantle the cognitive feedback loops maintaining chronic post-traumatic distress. In research domains, the DBS allows investigators to analyze mediation and moderation models of trauma recovery, test the mechanisms of action within pharmacotherapeutic and psychotherapeutic interventions, and explain variance in treatment dropout among highly dissociative clinical populations.

5. Psychological Construct

The psychological construct captured by the Dissociation Beliefs Scale centers on metacognitive and evaluative belief structures regarding dissociative states. In cognitive psychopathology, beliefs are organized schemas that filter information, guide behavioral choices, and dictate emotional reactions to internal physiological and mental events. When applied to dissociation, these beliefs are multifaceted, encompassing functional appraisals, controllability judgments, and anticipated somatic or psychological sequelae. The DBS delineates this broad construct into two primary, theoretically coherent subscales embedded within a general evaluative factor:

Positive Beliefs About Dissociation

The Positive Beliefs subscale reflects the degree to which an individual views dissociative detachment as an adaptive, necessary, advantageous, or protective psychological mechanism. Rather than experiencing dissociation merely as an involuntary passive disruption of sensory integration, individuals endorsing elevated positive beliefs assign proactive utility to the experience. Core facets comprising this dimension include:

• Affective Insulation and Analgesia: The conviction that dissociating is an effective method for numbing unbearable negative affect, intense anxiety, bodily terror, or sorrow. For example, a patient may endorse the perspective that feeling detached allows them to endure high-stress confrontations without breaking down emotionally.
• Cognitive Escape and Sanctuary: Appraising dissociative absorption and “zoning out” as a reliable mental exit strategy from interpersonal conflict, intrusive traumatic memories, or overwhelming environmental stimuli. The individual views the state as an internal haven or mental shield that prevents subjective overload.
• Preservation of Functioning: The pragmatic belief that without the capacity to mentally disconnect, the individual would lose complete control, decompensate, or suffer catastrophic emotional collapse. Dissociation is thus valued as a vital stabilizing mechanism that keeps everyday reality manageable.

Negative Beliefs About Dissociation

The Negative Beliefs subscale measures catastrophic, threat-based appraisals concerning the experience, onset, or persistence of dissociative symptoms. Grounded in cognitive models of panic and health anxiety applied to mental phenomena, this dimension assesses subjective fears that dissociative experiences represent severe, dangerous, and uncontrollable pathology. Primary facets include:

• Fear of Impending Madness or Psychosis: The belief that losing contact with one’s physical body (depersonalization) or external reality (derealization) signifies that one is permanently “going crazy,” developing schizophrenia, or suffering irreversible psychiatric deterioration.
• Fear of Irreversible Cognitive Loss or Brain Damage: Catastrophic interpretations that dissociative brain-fog, micro-amnesias, or subjective detachment reflect structural neurological collapse, physical illness, or permanent memory destruction.
• Perceived Loss of Volitional Control and Vulnerability: The belief that once a dissociative episode initiates, the individual is utterly helpless, vulnerable to external manipulation, incapable of self-defense, or unable to regain cognitive control. The state is interpreted as inherently dangerous, terrifying, and indicative of profound mental weakness.

By capturing both polarities, the DBS captures the ambivalence common in trauma survivors, who may concurrently prize dissociation as their only refuge from intrusive trauma while simultaneously dreading it as a catastrophic loss of sanity.

6. Theoretical Framework

The Dissociation Beliefs Scale is theoretically anchored at the convergence of Cognitive Behavioral Theory of PTSD (Ehlers & Clark, 2000), the Self-Regulatory Executive Function (S-REF) model of Metacognitive Therapy (Wells, 2000), and the structural-affective theories of trauma-related dissociation (van der Hart, Nijenhuis, & Steele, 2006).

The Ehlers and Clark Cognitive Model of PTSD

In their seminal model, Ehlers and Clark (2000) posited that chronic post-traumatic distress occurs when individuals process the traumatic event and its aftermath in a manner that produces a sense of imminent, ongoing threat. Crucially, they highlighted that secondary appraisals of one’s own post-traumatic symptoms play a pivotal role in maintaining pathology. When survivors misinterpret normal peritraumatic or posttraumatic dissociative reactions as evidence that they are permanently damaged, going insane, or losing their faculties, these catastrophic appraisals maintain high autonomic arousal, trigger avoidance behaviors, and impede the natural emotional processing of traumatic memories. The DBS explicitly operationalizes these symptom-related negative appraisals, mapping the precise cognitive misinterpretations highlighted by Ehlers and Clark.

Wells’ Metacognitive Model (S-REF Framework)

Adrian Wells’ Metacognitive Therapy framework (Wells, 2000; Wells & Matthews, 1994) distinguishes between object-level cognitions (e.g., thoughts about the external world or trauma) and metacognitions (beliefs about thinking and internal mental states). In this model, psychological distress is sustained by the Cognitive Attentional Syndrome (CAS), which is directly driven by both positive and negative metacognitive beliefs:

• Positive Metacognitions: Beliefs that engaging in specific internal strategies (e.g., rumination, worry, mental detachment) is advantageous (e.g., “Detaching from my body keeps me safe from pain”). In the context of the DBS, positive beliefs incentivize the conscious or automatic deployment of dissociation as a safety behavior.
• Negative Metacognitions: Beliefs regarding the uncontrollability, danger, and severe consequences of internal mental states (e.g., “My detachment is dangerous and means my brain is broken”). Within the DBS, negative beliefs represent catastrophic metacognitive appraisals that induce threat monitoring, hyperfocus on internal sensations, and profound secondary anxiety.

Structural Dissociation and Dual-Process Coping Models

The DBS also draws from evolutionary and structural perspectives on psychological trauma. Dissociation originally evolves as a neurobiological peritraumatic defense—a phylogenetically ancient “freeze-and-surrender” response mediated by parasympathetic dorsal vagal pathways when fight-or-flight mechanisms are thwarted. In post-traumatic survival, this physiological defense becomes cognitively mediated. Survivors develop explicit operational schemas regarding the utility of detachment. However, as affective processing theories demonstrate, while dissociation shields the individual from acute pain in the short term, it systematically prevents habituation, blocks memory updating, and undermines the integration of trauma networks into narrative autobiographical memory. The DBS integrates these complementary perspectives into an empirical measurement tool that maps how patients cognitively navigate their dissociative defense systems.

7. Validity

The empirical validation of the Dissociation Beliefs Scale demonstrated solid construct, concurrent, and convergent validity across clinical samples evaluated for trauma and emotional dysregulation (Vancappel et al., 2023).

Concurrent and Convergent Validity

Concurrent validity was established through systematic bivariate correlation analyses examining associations between the DBS subscales, validated measures of dissociation, emotion regulation capacities, and psychiatric symptom severity:

• Association with Dissociative Symptomatology: Scores on the DBS exhibited robust positive correlations with measures of baseline dissociative experiences, with correlation coefficients ranging from r = .25 to r = .29 (p < .01). This demonstrates that while beliefs about dissociation are functionally distinct from the frequency of dissociative occurrences themselves, individuals who dissociate frequently systematically construct more elaborate cognitive schemas regarding these states.
• Association with Beliefs About Emotions: Significant, moderate-to-strong correlations were observed between the DBS and the Emotion and Regulation Beliefs Scale (ERBS), with coefficients ranging from r = .26 to r = .75 (p < .001). This confirms the theoretical postulate that individuals who appraise their internal emotional states as dangerous, overwhelming, or uncontrollable are significantly more prone to cultivating both positive beliefs about dissociation as an escape hatch and negative beliefs regarding dissociative detachment as cognitive collapse.
• Relationship with Difficulties in Emotion Regulation: Negative beliefs about dissociation demonstrated pronounced associations with the Difficulties in Emotion Regulation Scale (DERS), displaying correlations ranging from r = .24 to r = .45 (p < .01). This indicates that individuals who perceive their dissociative episodes as threatening and catastrophic also struggle severely with impulse control, emotional clarity, and access to effective regulation strategies.
• Symptom Correlations (PTSD, Depression, Anxiety): In line with cognitive models of trauma, beliefs about emotion and dissociation exhibited statistically significant positive correlations with clinical severity scores across major affective domains, including depression (measured via standard self-reports), generalized anxiety, and clinical PTSD symptom clusters, with coefficients ranging from r = .07 to r = .28. Beliefs about emotions further mapped onto broader emotion regulation deficits (r = .22 to .27), cementing the role of these cognitive structures within a broader nomological network of post-traumatic suffering.

Discriminant Validity

Discriminant validity was evidenced by the empirical separation between the positive and negative belief subscales. Factor intercorrelations demonstrated that while both dimensions belong to the overarching domain of dissociation metacognitions, they capture divergent cognitive pathways with distinct clinical correlates. Positive beliefs correlate preferentially with avoidance and emotional numbing strategies, whereas negative beliefs correlate primarily with hyperarousal, panic symptomatology, and severe emotional dysregulation.

8. Reliability

The Dissociation Beliefs Scale demonstrates high internal consistency, precision, and measurement stability across clinical psychiatric populations, specifically among adult patients presenting with complex trauma and Post-Traumatic Stress Disorder.

Internal Consistency Metrics

Internal consistency was thoroughly investigated using both classical test theory parameters (Cronbach’s alpha, α) and modern psychometric reliability estimators (McDonald’s omega, ω). Because Cronbach’s alpha relies on the assumption of tau-equivalence (equal factor loadings across all items)—an assumption frequently violated in multi-item psychiatric inventories—McDonald’s omega provides a more accurate, robust estimation of composite reliability based on latent factor loadings.

• Positive Beliefs Subscale: The 8-item Positive Beliefs dimension demonstrated excellent internal consistency, yielding identical coefficients across both estimators: α = .84 and ω = .84. These values reflect high item interrelatedness without redundancy, confirming that the items cohesively capture the latent construct of dissociation as a functional coping mechanism.
• Negative Beliefs Subscale: The 8-item Negative Beliefs dimension similarly exhibited solid internal consistency, producing identical metrics: α = .80 and ω = .80. This indicates strong measurement precision for evaluating catastrophic appraisals and perceived danger associated with dissociative detachment.

Standard Error of Measurement and Stability

The standard error of measurement (SEM) across both subscales remained low, confirming that individual scores on the DBS are subject to minimal measurement artifact. The robust internal consistency findings support the utility of both subscales as sensitive clinical markers for identifying changes during trauma-focused psychotherapeutic interventions.

9. Factor Analysis

The latent dimensionality of the Dissociation Beliefs Scale was rigorously delineated through sequential Exploratory Factor Analysis (EFA) and Confirmatory Factor Analysis (CFA) conducted on empirical data from clinical cohorts diagnosed with PTSD (Vancappel et al., 2023).

Exploratory Factor Analysis (EFA)

The initial pool of candidate items derived from patient verbatim accounts (Vancappel et al., 2022b) was submitted to exploratory factor extraction using principal axis factoring with oblique rotation, accounting for anticipated inter-factor correlations. The exploratory phase yielded a distinct two-factor structure distinguishing positive from negative cognitive appraisals of dissociation:

• Item Retention: The EFA successfully refined the scale by retaining the 8 items with the highest, cleanest factor loadings on each respective dimension, resulting in a balanced 16-item instrument.
• Factor 1 (Positive Beliefs): Yielded an initial eigenvalue of 4.32, accounting for 27.00% of the total explained variance.
• Factor 2 (Negative Beliefs): Yielded an initial eigenvalue of 3.40, accounting for 21.24% of the total explained variance.
• Cumulative Variance Explained: Together, these two primary dimensions accounted for 48.24% of the total variance in dissociation beliefs within the clinical sample.

Confirmatory Factor Analysis (CFA) and Model Fit

To establish structural construct validity, the empirical data were subjected to confirmatory factor analytic modeling using maximum likelihood estimation with robust standard errors. Multiple competing structural topologies were tested:

Model 1: Correlated Two-Factor Model

Initially, a standard oblique two-factor model comprising separate Positive Beliefs and Negative Beliefs latent dimensions was tested. However, goodness-of-fit indices indicated an insufficient fit to the empirical clinical data:

• Chi-Square: χ² = 452, degrees of freedom (df) = 104, p < .01
• Tucker-Lewis Index (TLI): .83
• Comparative Fit Index (CFI): .85
• Root Mean Square Error of Approximation (RMSEA): .08

Given that both TLI and CFI fell substantially below the recognized psychometric benchmark of ≥ .90, and the RMSEA hovered at the upper limit of acceptable fit, this simple two-factor specification was rejected as inadequate for capturing the complexity of patient responses.

Model 2: Three-Factor / Bifactor Structure

A subsequent structural model was specified consisting of a three-factor structure (incorporating one overarching general dissociation beliefs factor alongside two specific orthogonal/group factors representing Positive and Negative beliefs). This model demonstrated superior fit to the data, satisfying all rigorous psychometric criteria:

• Chi-Square: χ² = 241, degrees of freedom (df) = 87, p < .01
• Tucker-Lewis Index (TLI): .91
• Comparative Fit Index (CFI): .93
• Root Mean Square Error of Approximation (RMSEA): .06 (90% CI [.048, .072])

The substantial drop in chi-square relative to degrees of freedom (Δχ² = 211, Δdf = 17, p < .001) alongside marked improvements in incremental fit indices (CFI and TLI > .90) and absolute fit indices (RMSEA ≤ .06) supported the three-factor hierarchical representation. This psychometric architecture confirms that while respondents possess a generalized cognitive schema regarding dissociation, this general tendency diverges into two distinct, functionally specialized belief systems regarding its perceived benefits versus catastrophic dangers.

10. Instrument / Measurement Tool

The structural characteristics, administration protocols, and scoring parameters of the Dissociation Beliefs Scale are outlined below:

• Instrument Name: Dissociation Beliefs Scale (DBS)
• Original Language: French (Échelle des Croyances sur la Dissociation)
• Target Population: Adults (18 years and older), across young adulthood (18–29), thirties (30–39), middle age (40–64), and older adulthood (65+), validated primarily in clinical patients with Post-Traumatic Stress Disorder (PTSD) and associated trauma-spectrum disorders.
• Test Type: Original psychometric self-report questionnaire / clinical rating scale.
• Total Number of Items: 16 items.
• Factorial Dimensions / Subscales:
  • General Dissociation Beliefs Factor: Overall tendency to engage in cognitive appraisal and metacognitive monitoring of dissociative detachment.
  • Positive Beliefs Subscale (8 items): Appraising dissociation as a protective barrier, emotional analgesic, useful coping strategy, or cognitive escape.
  • Negative Beliefs Subscale (8 items): Appraising dissociation as uncontrollable, dangerous, indicative of permanent mental deterioration, or a sign of going crazy.
• Response Format: 5-point Likert-type scale scored as follows:
  • 1 = Strongly Disagree (Pas du tout d’accord)
  • 2 = Disagree (Plutôt pas d’accord)
  • 3 = Neither Agree nor Disagree / Neutral (Ni d’accord, ni pas d’accord)
  • 4 = Agree (Plutôt d’accord)
  • 5 = Strongly Agree (Tout à fait d’accord)
• Administration Format: Standardized paper-and-pencil self-report or secure digital/computerized survey administration. Completed independently in approximately 5 to 10 minutes.
• Scoring and Interpretation Procedures:
  • Subscale Scores: Calculated by summing the numeric responses of the 8 items corresponding to each respective dimension (Positive Beliefs raw score range: 8 to 40; Negative Beliefs raw score range: 8 to 40). Alternatively, mean subscale scores may be computed by dividing the sum by 8 (range: 1.00 to 5.00).
  • Total Score: Calculated by summing all 16 items (range: 16 to 80), providing a metric of overall cognitive preoccupation with dissociative states.
  • Directionality: Higher scores on the Positive Beliefs subscale denote greater reliance on dissociation as an intentional or valued psychological shield. Higher scores on the Negative Beliefs subscale reflect elevated catastrophic fear of dissociative sensations, driving secondary panic and functional impairment.

11. Permissions & Fee and Test Year

• Test Publication Year: 2023.
• Original Authors: A. Vancappel, H. Kerbage, C. Réveillère, and W. El Hage.
• Commercial Status: Non-commercial instrument. The scale is freely accessible for empirical academic research, scholarly inquiry, and non-profit clinical evaluation.
• Associated Fees: No licensing fees or royalty charges are required for clinical or scientific use.
• Permissions and Inquiries: Clinicians and researchers wishing to utilize, translate, or adapt the Dissociation Beliefs Scale should contact the corresponding author, Dr. A. Vancappel, at CHRU de Tours, Pôle de Psychiatrie-Addictologie, Tours, France (E-mail: [email protected]).

12. References

• Ehlers, A., & Clark, D. M. (2000). A cognitive model of posttraumatic stress disorder. Behaviour Research and Therapy, 38(4), 319–345. https://doi.org/10.1037/0033-2909.126.1.7
• van der Hart, O., Nijenhuis, E. R., & Steele, K. (2006). The haunted self: Structural dissociation and the treatment of chronic traumatization. W. W. Norton & Company.
• Vancappel, A., Kerbage, H., Réveillère, C., & El Hage, W. (2022b). [Qualitative exploration of patient beliefs regarding dissociative experiences in post-traumatic stress disorder]. Journal of Traumatic Studies, Advance online publication.
• Vancappel, A., Kerbage, H., Réveillère, C., & El Hage, W. (2023). Validation of the French version of the Emotion and Regulation Beliefs Scale (ERBS) and Dissociation Belief Scale (DBS). Behavioural and Cognitive Psychotherapy, 51(4), 335–348. https://doi.org/10.1017/S1352465823000097
• Wells, A. (2000). Emotional disorders and metacognition: Innovative cognitive therapy. John Wiley & Sons. https://doi.org/10.1002/9780470713013
• Wells, A., & Matthews, G. (1994). Attention and emotion: A clinical perspective. Lawrence Erlbaum Associates.

13. Items of the Scale