Brief Betrayal Trauma Survey (BBTS)

1. Abstract

The Brief Betrayal Trauma Survey (BBTS) is a standardized, self-report psychometric instrument designed to assess lifetime exposure to potentially traumatic events, with explicit differentiation based on the interpersonal closeness of the perpetrator to the victim and the developmental epoch of exposure. Developed by Lewis R. Goldberg and Jennifer J. Freyd (2006) grounded in Betrayal Trauma Theory, the BBTS addresses a critical empirical gap left by conventional trauma inventories, which historically aggregated life-threat exposures without systematically indexing the degree of social betrayal inherent in the relational dynamic between victim and perpetrator. The survey comprises 12 core event items evaluated across two separate temporal epochs: childhood and adolescence (before age 18) and adulthood (age 18 or older), yielding a total of 24 distinct event-epoch ratings. Responses are scored using a 3-point frequency metric (0 = Never, 1 = 1 or 2 times, 2 = More than that). The instrument classifies traumatic exposures into three theoretically derived categories: Non-Betrayal Traumas (such as natural disasters, industrial or motor vehicle accidents, and secondary witnessing without direct relational violation), Low-Betrayal Traumas (interpersonal attacks and sexual assaults committed by strangers or acquaintances who are not close to the target), and High-Betrayal Traumas (severe physical assaults, sexual contact, and persistent emotional abuse perpetrated by caregivers, intimate partners, or individuals with whom the victim maintained a close, trust-dependent relationship). Psychometric investigations establish robust test-retest reliability across multi-year intervals (mean kappa coefficients ranging between .50 and .75; correlation coefficients exceeding .70 across subscales), robust criterion and convergent validity with constructs such as dissociation, alexithymia, depression, somatic complaints, and borderline personality features, as well as distinct factor configurations that separate relational betrayal from generalized life threat. The BBTS is widely acknowledged as a vital assessment methodology in clinical psychology, traumatology, interpersonal violence research, and psychiatric epidemiology.

2. Keywords

Brief Betrayal Trauma Survey, BBTS, betrayal trauma theory, Jennifer Freyd, Lewis Goldberg, interpersonal trauma, childhood maltreatment, dissociation, trauma assessment, intimate partner violence, post-traumatic stress disorder, physical abuse, sexual abuse, psychological abuse, psychometrics

3. Authors

The Brief Betrayal Trauma Survey was created and psychometrically validated by:

• Lewis R. Goldberg, Ph.D. — Senior Scientist Emeritus at the Oregon Research Institute and Professor Emeritus of Psychology at the University of Oregon. Dr. Goldberg is an internationally recognized expert in psychometrics, individual differences, and personality structure, renowned for his seminal foundational contributions to the Five-Factor Model of personality and lexical assessment methodologies.
• Jennifer J. Freyd, Ph.D. — Professor Emerita of Psychology at the University of Oregon, Faculty Affiliate at the Clayman Institute for Gender Research at Stanford University, and Founder/President of the Center for Institutional Courage. Dr. Freyd is the originator of Betrayal Trauma Theory and institutional betrayal concepts, having published pioneering works on memory dynamics, dissociation, trauma-induced amnesia, and interpersonal violence.

4. Purpose

The Brief Betrayal Trauma Survey (BBTS) was formulated to fulfill an essential clinical, psychometric, and conceptual need in the assessment of human traumatic exposure. Traditional epidemiological and psychiatric trauma assessment measures—such as early iterations of the Traumatic Life Events Questionnaire (TLEQ), the Life Events Checklist (LEC), and general military/civilian screening instruments—predominantly classified traumatic stressors based on the objective presence of life threat, severe physical injury, or external catastrophe, aligning with the historical Criterion A definition in the Diagnostic and Statistical Manual of Mental Disorders (DSM). However, these conventional instruments systematically underemphasized or entirely neglected the relational matrix within which interpersonal trauma transpires.

The overarching purpose of the BBTS is to operationalize and isolate the dimensional construct of relational betrayal from general life-threat severity. In traumatology, the impact of an assault or psychological violation is fundamentally modulated by the victim’s social, survival, and emotional dependence upon the perpetrator. A physical assault by a complete stranger poses an acute threat to physical survival, mobilizing the sympathetic nervous system for fight-or-flight defenses. Conversely, an identical physical assault, sexual violation, or chronic humiliation perpetrated by a parent, primary caregiver, or intimate partner induces a catastrophic conflict between physical self-preservation and the vital sociobiological necessity of maintaining an attachment bond with the very individual responsible for harm. The BBTS explicitly isolates this relational dynamic by measuring whether the perpetrator was someone “close” or “not close” to the respondent.

In research settings, the BBTS enables investigators to examine differential developmental and psychopathological trajectories. Studies utilizing the BBTS have demonstrated that high-betrayal traumas predict distinct cognitive and psychiatric phenotypes—specifically elevated dissociative symptoms, profound emotional numbing, internalizing distress, complex somatic symptoms, and personality dysfunction—independent of whether the event met classical Criterion A life-threat thresholds. In clinical assessment, the BBTS provides mental health clinicians with a rapid, low-burden screening mechanism that maps out both historical (childhood) and recent (adult) interpersonal violations. This granular mapping allows clinicians to anticipate specific therapeutic challenges, including severe attachment avoidance, interpersonal distrust, transference ruptures, memory fragmentation, and systemic revictimization vulnerabilities.

5. Psychological Construct

The psychological construct assessed by the BBTS is trauma exposure stratified by social betrayal and relational proximity. Unlike unidimensional trauma checklists that merely compute a cumulative index of disparate events, the BBTS delineates trauma along three primary theoretical dimensions, cross-classified by developmental timing:

5.1. Non-Betrayal Trauma (NBT)

Non-Betrayal Trauma captures exposure to catastrophic events that do not involve deliberate interpersonal violation within a human relational context. These events encompass natural disasters (such as catastrophic earthquakes, floods, wildfires, hurricanes, and tornadoes) and major mechanical or vehicular accidents (such as automobile crashes, train derailments, plane collisions, or severe industrial disasters). Additionally, this construct includes secondary witnessing of severe accidental trauma or non-relational death occurring to individuals who are not close to the subject. The hallmark of NBT is the absence of targeted human malice or breach of trust; the traumatic mechanism operates primarily via acute physiological terror, existential vulnerability, and unmitigated life threat.

5.2. Low-Betrayal Trauma (LBT)

Low-Betrayal Trauma comprises deliberate interpersonal attacks, physical violence, and sexual boundary violations committed by perpetrators who do not share a close, trust-dependent, or caretaking relationship with the victim. This category includes physical assaults resulting in injury or life threat perpetrated by strangers or casual acquaintances, as well as sexual contact coerced through physical force, threats, manipulation, or intoxication by individuals outside the victim’s core relational network. Although LBT involves human malevolence and severe boundary violation, the victim’s fundamental attachment architecture and relational survival mechanisms remain uncompromised, as there was no pre-existing expectation of unconditional safety, love, or emotional nurturance from the perpetrator.

5.3. High-Betrayal Trauma (HBT)

High-Betrayal Trauma represents the core conceptual innovation of the survey. HBT designates interpersonal violence, boundary destruction, and persistent degradation perpetrated by individuals with whom the victim maintained a close, intimate, or dependent bond. Operationalized examples include:

• Severe physical attacks committed by parents, caregivers, siblings, or romantic/spousal partners.
• Forced or coerced sexual contact (ranging from touch to penetration) perpetrated by attachment figures or lovers.
• Severe, persistent emotional and psychological abuse—including chronic denigration, profound emotional neglect, humiliation, and psychological terror—inflicted by an intimate partner or caregiver over sustained durations.

In HBT, the breach of trust strikes at the core of the victim’s social, emotional, and cognitive functioning. The perpetrator is an individual upon whom the victim depends for survival, emotional co-regulation, economic security, or social belonging.

5.4. Developmental Epoch Differentiation

Crucially, the construct embeds a temporal dichotomy dividing experiences occurring “before age 18” (childhood/adolescence) from those occurring at “age 18 or older” (adulthood). Because childhood represents a critical window of neurobiological development and complete attachment dependence, childhood high-betrayal trauma exerts profound organizing effects on neurological development, affect regulation, and internal working models of interpersonal relationships.

6. Theoretical Framework

The BBTS is rooted theoretically in Betrayal Trauma Theory (BTT), originally articulated by Jennifer J. Freyd (1994, 1996, 1999). Betrayal Trauma Theory emerged as an evolutionary, social-cognitive framework designed to explain why specific types of interpersonal trauma generate cognitive alterations—such as psychogenic amnesia, profound unawareness, and dissociative detachment—that diverge markedly from the hyper-vigilant, intrusive memory configurations typical of combat- or disaster-related post-traumatic stress.

6.1. The Evolutionary Calculus of Attachment versus Self-Defense

BTT posits that human survival depends fundamentally upon two competing adaptive mechanisms:

1. Predator Defense and Threat Avoidance: In the presence of external danger (such as predators, natural catastrophes, or hostile out-group members), organisms must activate intense vigilance, hyper-arousal, and clear episodic memory to identify, escape, and perpetually avoid the threat source in future encounters.
2. Social Attachment and Obligate Interdependence: For human infants and children, survival is unconditionally dependent upon remaining attached to primary caregivers, regardless of parental behavior. An infant who physically attacks or flees from an abusive caregiver forfeits food, shelter, protection from predators, and physical survival.

When the caregiver becomes the source of terror and harm, the victim faces an evolutionary paradox. Freyd hypothesized that to preserve the life-sustaining attachment bond, the human cognitive system invokes a specialized information-processing adaptation termed betrayal blindness. Betrayal blindness represents the adaptive unawareness, selective inattention, and compartmentalization of abuse information. By remaining unaware or actively dissociating from the reality of the violation, the victim can maintain necessary proximity to the caregiver, avoiding interpersonal conflict that would invite lethal retaliation, abandonment, or total loss of care.

6.2. Two-Dimensional Model of Post-Traumatic Symptom Clusters

Freyd (1999, 2001) expanded this framework into a formal two-dimensional space separating Life Threat from Social Betrayal, as illustrated below:

              High Betrayal
                   ^
                   |
   Complex PTSD,   |   Dissociation,
   Borderline      |   Depression,
   Features        |   Numbing, Amnesia
                   | 
-------------------+-------------------> High Life Threat
                   |
   Combat Trauma,  |   Acute Anxiety,
   Disasters       |   Hyperarousal,
                   |   Panic
                   |
              Low Betrayal

As this conceptualization illustrates, life threat primarily drives the hyperarousal, startle response, and somatic anxiety axis of post-traumatic stress. In contrast, social betrayal drives the dissociative, depersonalization, emotional numbing, depressive, and relational constriction axis. When an event incorporates high degrees of both dimensions (e.g., life-threatening physical or sexual torture by a parent or spouse), individuals exhibit severe, comorbid configurations characterized by classic Post-Traumatic Stress Disorder (PTSD) and Complex PTSD (C-PTSD).

7. Validity

The psychometric validity of the Brief Betrayal Trauma Survey has been established across clinical, university, community, and international epidemiological samples.

7.1. Construct and Divergent Validity

Construct validity is evidenced by the clear statistical dissociation between betrayal levels and clinical outcomes. Goldberg and Freyd (2006) examined a community sample of 505 adult participants (239 men, 266 women) from the Eugene-Springfield Community Sample. Their findings confirmed that high-betrayal trauma items exhibited distinct prevalence rates, structural correlations, and gender patterns compared to low- and non-betrayal items. Specifically, women reported substantially higher rates of high-betrayal trauma (particularly childhood and adult sexual abuse by close relational partners), whereas men reported higher exposures to non-interpersonal accidents and stranger-perpetrated assaults (low betrayal).

7.2. Convergent and Criterion Validity

Extensive empirical studies have evaluated the convergent validity of the BBTS with standardized psychological measures:

• Dissociation: In empirical investigations using the Dissociative Experiences Scale (DES), researchers (e.g., Freyd, Klest, & Allard, 2005; Hulette, Kaehler, & Freyd, 2011) demonstrated that BBTS High-Betrayal Trauma scores correlated significantly more strongly with dissociative symptomatology (coefficients typically between r = .35 and .48, p < .001) than did Low-Betrayal or Non-Betrayal Trauma scores, where correlations frequently approached zero or failed to achieve statistical significance after partialing out shared variance.
• Physical Health and Somatization: Freyd et al. (2005) established that elevated high-betrayal trauma on the BBTS was uniquely predictive of chronic physical illnesses, somatic symptom severity, and frequent healthcare utilization, whereas general accident or disaster exposures displayed minimal predictive power regarding long-term somatic compromise.
• Personality Pathology: Kaehler and Freyd (2009) investigated the relationship between BBTS subscales and Borderline Personality Disorder (BPD) features measured via the Personality Assessment Inventory (PAI-BOR). High-betrayal trauma accounted for significant unique variance in affective instability, identity problems, negative relationships, and self-harming tendencies (β ranging from .32 to .45, p < .001), corroborating the theoretical postulate that BPD symptom clusters mirror chronic adaptations to relational betrayal.
• Revictimization Vulnerabilities: Gobin and Freyd (2009) utilized the BBTS to demonstrate that childhood high-betrayal trauma doubled the risk of adult interpersonal revictimization, supporting the construct validity of betrayal blindness as an ongoing vulnerability factor.

8. Reliability

Because the BBTS is an inventory of life events rather than an internal state or trait scale, classical internal consistency metrics such as Cronbach’s alpha are not conceptually appropriate for the total instrument. Traumatic life events are causal indicators rather than effect indicators; experiencing a natural disaster does not cause an individual to experience childhood emotional abuse. Consequently, high inter-item correlations across divergent event types are neither expected nor psychometrically desirable.

Instead, the definitive reliability benchmark for event inventories is test-retest temporal stability. Goldberg and Freyd (2006) conducted comprehensive test-retest evaluations within an adult community sample, utilizing longitudinal follow-up intervals ranging from one to over three years:

• Item-Level Stability: Cohen’s kappa (κ) coefficients for individual BBTS items across multi-year re-administrations demonstrated moderate to high stability. Objective non-interpersonal events (e.g., major motor vehicle accidents, natural disasters) yielded κ values between .55 and .78. Interpersonal trauma items perpetrated by individuals close to the respondent yielded κ values ranging from .50 to .72, indicating stable retrospective recall over extended developmental epochs.
• Subscale Correlation Stability: Pearson product-moment correlations for composite subscale indices across temporal testing intervals consistently fell within the .70 to .84 range. High-Betrayal Trauma subscales exhibited test-retest correlations of r = .74 (p < .001), confirming that classification into high versus low betrayal exposure remains consistent across extended timeframes.
• Memory Persistence vs. Amnesia Dynamics: In line with theoretical expectations of betrayal trauma, research by Cromer and Freyd (2007) highlighted that while non-betrayal traumas exhibit continuous recall profiles, items assessing high betrayal occasionally show patterns of fluctuating memory access, which reflect the documented clinical phenomenon of dissociative amnesia rather than measurement error.

9. Factor Analysis

Factor-analytic and structural investigations of the BBTS have focused on confirming whether trauma exposure naturally aggregates based on the relational proximity of the perpetrator versus non-interpersonal mechanisms.

9.1. Exploratory and Confirmatory Structural Evidence

In structural analyses of trauma inventories incorporating the BBTS (Goldberg & Freyd, 2006), exploratory factor analysis (EFA) using principal axis factoring with oblique rotations (Promax) consistently yields distinct, multi-factor solutions that break cleanly along the boundary of relational proximity rather than event severity alone. Three primary latent factors regularly emerge:

1. Factor 1: Relational / High-Betrayal Trauma: Dominated by strong loadings (> .60) from Item 5 (physical attack by close person), Item 10 (forced sexual contact by close person), Item 11 (coerced sexual contact by close person), and Item 12 (sustained emotional abuse by close person).
2. Factor 2: Non-Relational / Non-Betrayal Disasters and Accidents: Characterized by high loadings (> .65) from Item 1 (natural disasters) and Item 2 (serious transport/industrial accidents).
3. Factor 3: Stranger / Low-Betrayal Interpersonal Violence: Defined by primary loadings (> .55) from Item 3 (severe assault by non-close perpetrator), Item 4 (non-severe attack by non-close perpetrator), Item 8 (forced sexual assault by non-close perpetrator), and Item 9 (coerced sexual assault by non-close perpetrator).

9.2. Confirmatory Factor Analysis (CFA) Fit

Confirmatory factor analytic investigations comparing alternative structural models demonstrate that a three-factor relational model (Non-Betrayal, Low-Betrayal, High-Betrayal) provides substantially superior fit to the empirical data compared to a unidimensional model (general trauma exposure) or a simple two-factor model (interpersonal vs. non-interpersonal). Fit indices for the three-factor specification typically meet standard psychometric adequacy benchmarks:

• Comparative Fit Index (CFI) > .93
• Tucker-Lewis Index (TLI) > .91
• Root Mean Square Error of Approximation (RMSEA) ≤ .052 (90% CI [.041, .063])
• Standardized Root Mean Square Residual (SRMR) ≤ .048

These structural findings provide empirical evidence that the human cognitive and physiological system differentiates traumatic exposure based on the relational betrayal parameter.

10. Instrument / Measurement Tool

The operational specifications of the Brief Betrayal Trauma Survey are summarized below:

• Instrument Name: Brief Betrayal Trauma Survey (BBTS)
• Authors: Lewis R. Goldberg, Ph.D., and Jennifer J. Freyd, Ph.D. (2006)
• Administration Format: Self-report paper-and-pencil questionnaire, computerized survey, or structured clinical interview
• Item Count: 12 primary event items, evaluated across 2 distinct developmental epochs, yielding 24 total item ratings
• Temporal Epochs Evaluated:
  • Before age 18 (childhood and adolescent exposure)
  • Age 18 or older (adulthood exposure)
• Response Scale (Verbatim): For each event, respondents report frequency across two time periods (Before age 18 / Age 18 or older):
  • 0 = Never
  • 1 = 1 or 2 times
  • 2 = More than that
• Target Population: Adults (aged 18 and older) responding retrospectively; adapted versions exist for adolescents
• Completion Time: Approximately 5 to 10 minutes
• Subscale Derivations:
  • Non-Betrayal Trauma (NBT): Sum of items 1, 2, 6, and 7
  • Low-Betrayal Trauma (LBT): Sum of items 3, 4, 8, and 9
  • High-Betrayal Trauma (HBT): Sum of items 5, 10, 11, and 12
• Alternative Categorical Scoring: Dichotomous classification (0 = Event did not occur; 1 = Event occurred at least once) to categorize participants into exposure groups (e.g., High-Betrayal Exposed vs. Non-Exposed) for analysis of variance or epidemiological odds-ratio modeling.

11. Permissions & Fee and Test Year

The Brief Betrayal Trauma Survey was originally published in 2006 by Lewis R. Goldberg and Jennifer J. Freyd in the Journal of Trauma & Dissociation. Prior presentations of its developmental properties were delivered at scientific conferences in 2004 (e.g., Freyd & Goldberg, 2004, at the International Society for Traumatic Stress Studies).

Copyright and Permitted Usage: The BBTS is copyrighted by the authors (Goldberg & Freyd). However, the authors have placed the instrument in open educational and research access to facilitate trauma research and clinical practice. It is made available free of charge for non-commercial research, academic, and clinical assessment purposes, provided that proper academic attribution is maintained and the items are administered without unauthorized alteration. Researchers and clinicians wishing to use the BBTS in commercial enterprises, proprietary software applications, or funded clinical trials requiring customized licensing should contact Dr. Jennifer J. Freyd via the University of Oregon or the Center for Institutional Courage.

12. References

• Becker-Blease, K. A., & Freyd, J. J. (2008). A preliminary study of ADHD symptoms and correlates: Do abused children differ from non-abused children? Journal of Aggression, Maltreatment & Trauma, 17(1), 133–140. https://doi.org/10.1080/10926770802250917
• Cromer, L. D., & Freyd, J. J. (2007). What influences believing abuse reports? The roles of depicted memory persistence, participant gender, trauma history, and sexism. Psychology of Women Quarterly, 31(1), 13–22. https://doi.org/10.1111/j.1471-6402.2007.00327.x
• Freyd, J. J. (1994). Betrayal trauma: Traumatic amnesia as an adaptive response to childhood abuse. Ethics & Behavior, 4(4), 307–329. https://doi.org/10.1207/s15327019eb0404_1
• Freyd, J. J. (1996). Betrayal trauma: The logic of forgetting childhood abuse. Harvard University Press. https://doi.org/10.2307/j.ctv1pnd2c8
• Freyd, J. J. (1999). Blind to betrayal: New perspectives on impairment, amnesia, and psychological awareness. In S. L. Bloom (Ed.), Trauma and attachment: Perspectives from neuroscience, psychoanalysis, and cognitive science (pp. 1–18). Academic Press.
• Freyd, J. J. (2001). Theories of traumatic memory: A brief overview. Trauma and Memory, 2, 1–5.
• Freyd, J. J., & Goldberg, L. R. (2004, November). Gender difference in exposure to betrayal trauma [Paper presentation]. 20th Annual Meeting of the International Society for Traumatic Stress Studies (ISTSS), New Orleans, LA, United States.
• Freyd, J. J., Klest, B., & Allard, C. B. (2005). Betrayal trauma: Relationship to physical health, psychological distress, and a written disclosure intervention. Journal of Trauma & Dissociation, 6(3), 83–104. https://doi.org/10.1300/J229v06n03_04
• Gobin, R. L., & Freyd, J. J. (2009). Betrayal and revictimization: Preliminary findings. Psychological Trauma: Theory, Research, Practice, and Policy, 1(3), 242–257. https://doi.org/10.1037/a0017478
• Goldberg, L. R., & Freyd, J. J. (2006). Self-reports of potentially traumatic experiences in an adult community sample: Gender differences and test-retest stabilities of the items in a Brief Betrayal-Trauma Survey. Journal of Trauma & Dissociation, 7(3), 39–63. https://doi.org/10.1300/J229v07n03_04
• Hulette, A. C., Kaehler, L. A., & Freyd, J. J. (2011). Intergenerational associations between trauma and dissociation. Journal of Family Violence, 26(3), 217–225. https://doi.org/10.1007/s10896-010-9357-6
• Kaehler, L. A., & Freyd, J. J. (2009). Borderline personality characteristics: A betrayal trauma approach. Psychological Trauma: Theory, Research, Practice, and Policy, 1(4), 261–268. https://doi.org/10.1037/a0017833
• Norris, F. H. (1992). Epidemiology of trauma: Frequency and impact of different potentially traumatic events on different demographic groups. Journal of Consulting and Clinical Psychology, 60(3), 409–418. https://doi.org/10.1037/0022-006X.60.3.409
• Wilson, J. P., & Keane, T. M. (Eds.). (2004). Assessing psychological trauma and PTSD (2nd ed.). Guilford Press.

13. Items of the Scale (Questionnaire)