Abuse Within Intimate Relationships Scale (AIRS)

1. Abstract

The Abuse Within Intimate Relationships Scale (AIRS) is a standardized, multidimensional psychometric instrument developed by Wendy I. Borjesson, Gregory A. Aarons, and Michael E. Dunn (2003) to assess the frequency and multidimensional nature of intimate partner violence (IPV) victimization. Grounded in contemporary behavioral and ecological frameworks of relationship aggression, the AIRS operationalizes abuse beyond overt physical attacks, capturing nuanced, repetitive patterns of psychological domination, emotional degradation, and interpersonal isolation. Comprising 30 self-report items evaluated on a 7-point Likert-type frequency scale ranging from 1 (Never) to 7 (Always), the instrument evaluates interpersonal trauma across three structurally validated latent factors: Psychological Abuse / Emotional Harm (Factor 1), Psychological Abuse / Control and Isolation (Factor 2), and Physical Abuse (Factor 3).

Psychometric evaluations demonstrate excellent structural and construct integrity. Confirmatory factor analyses (CFA) substantiate the theoretical three-factor correlated model, which exhibits superior fit indices compared to unidimensional or unconstrained alternatives. The internal consistency of the total instrument and its corresponding subscales is exceptionally high, with Cronbach’s alpha coefficients regularly exceeding .90 for the total scale and spanning .85 to .94 across individual factors. Convergent validity is confirmed via robust correlations with established benchmarks such as the Conflict Tactics Scales-2 (CTS2) and measures of relationship-induced psychological distress, post-traumatic stress symptomatology, and depressive affect. Discriminant validity demonstrates that the scale captures unique variance attributable to ongoing relational maltreatment rather than generalized relationship dissatisfaction or social desirability response sets. Widely featured in epidemiological profiles and compendia compiled by the Centers for Disease Control and Prevention (CDC), the AIRS provides clinicians, forensic evaluators, and empirical researchers with an empirically rigorous diagnostic tool for identifying covert and overt abusive dynamics in clinical and non-clinical populations.

2. Keywords

Abuse Within Intimate Relationships Scale, AIRS, intimate partner violence, psychological abuse, coercive control, emotional harm, physical abuse, psychometrics, domestic violence assessment, confirmatory factor analysis, trauma measurement.

3. Authors

The Abuse Within Intimate Relationships Scale was developed and validated through the collaborative academic and clinical efforts of:

• Wendy I. Borjesson, Ph.D.: Clinical Psychologist and research investigator specializing in interpersonal aggression, relationship dynamics, trauma-informed interventions, and the psychometric quantification of interpersonal trauma.
• Gregory A. Aarons, Ph.D.: Professor of Psychiatry at the University of California, San Diego (UCSD), Director of the Child and Adolescent Services Research Center (CASRC), and an internationally recognized expert in quantitative methodology, implementation science, confirmatory structural modeling, and mental health services research.
• Michael E. Dunn, Ph.D.: Professor of Psychology at the University of Central Florida (UCF), Director of the Substance Use Research Group, and an established behavioral scientist focusing on expectancy theory, behavioral health assessment, and social cognitive psychometrics.

For administrative inquiries, formal scoring protocols, and psychometric licensing guidelines, the instrument has historically been archived in epidemiological registries such as the CDC Compendium of Assessment Tools and managed via Psychological Assessment Resources, Inc. (PAR).

4. Purpose

The primary purpose of the Abuse Within Intimate Relationships Scale (AIRS) is to provide an empirically grounded, multidimensional metric that captures the full spectrum of intimate partner victimization, addressing significant historical deficits in clinical and behavioral assessment tools. For decades, the empirical quantification of domestic violence was predominantly focused on overt physical aggression—such as pushing, shoving, hitting, or weapon use—as epitomized by early iterations of the Conflict Tactics Scales. While physical violence presents immediate, acute risks of morbidity and mortality, clinical observation and feminist-informed trauma frameworks revealed that psychological maltreatment, interpersonal degradation, and coercive tactics often precede, co-occur with, and inflict longer-lasting psychosocial damage than isolated physical strikes.

Overcoming Historical Assessment Biases

Earlier IPV measurement paradigms were frequently criticized for treating psychological abuse as a secondary, monolithic, or unidimensional construct. This oversimplification obscured the operational distinction between emotional degradation (e.g., insults, mocking, attacks on self-worth) and systematic coercive control (e.g., monitoring communication, financial deprivation, enforced social isolation). The AIRS was engineered to delineate these dimensions while simultaneously quantifying overt physical acts within the same psychometric framework. By employing a unified response format spanning 30 standardized behavioral indicators, the AIRS allows clinicians and researchers to observe the dynamic interplay between subtle emotional manipulation, pervasive behavioral restriction, and bodily violence.

Clinical and Empirical Applications

The operational utility of the AIRS spans multiple disciplines and practice environments:

• Forensic and Psychological Evaluation: In forensic contexts, including protective order hearings, child custody determinations, and criminal proceedings, the AIRS provides standardized documentation of ongoing coercive patterns. It illuminates subtle dynamics of intimidation and financial dependence that standard physical assault inventories fail to capture.
• Outpatient and Inpatient Mental Health Settings: Clinicians treating clients presenting with post-traumatic stress disorder (PTSD), intractable major depression, severe generalized anxiety, or somatic complaints can administer the AIRS to assess whether relational trauma is a primary or secondary maintaining factor.
• Specialized Domestic Violence Shelters and Advocacy Programs: The instrument facilitates structured intake assessments, allowing caseworkers to construct targeted safety plans that address specific risks, such as high-level surveillance, weapon threats, or total financial isolation.
• Epidemiological and Interventional Research: The AIRS serves as an outcome measure for clinical trials evaluating couple-level interventions, offender rehabilitation programs, and community-level domestic violence prevention strategies, providing granular sensitivity to behavioral change over time.

5. Psychological Construct

The AIRS operationalizes psychological abuse and physical violence not as isolated incidents, but as an integrated, multi-tiered architecture of relational coercion. Rather than aggregating disparate aggressive behaviors into an undifferentiated summary score, the scale assesses three distinct, empirically validated latent constructs.

Factor 1: Psychological Abuse / Emotional Harm

This dimension captures systematic interpersonal behavior intended to undermine the victim’s psychological integrity, self-esteem, self-efficacy, and emotional equilibrium. Emotional harm operates through persistent cognitive and affective degradation. Rather than expressing acute physical danger, these behaviors target an individual’s internal locus of control and reality testing. Key operational components include:

• Erosion of Self-Worth: Consistent attacks on the victim’s physical appearance, general intelligence, decision-making abilities, and personal ambitions (e.g., “Tells you that no one else would want you”, “Puts down your achievements or goals”).
• Public and Private Humiliation: Deliberate mocking, belittling, or disparagement in the presence of peers, family members, or strangers, designed to destabilize social standing and induce profound shame.
• Gaslighting and Blame Attribution: Projecting responsibility for the perpetrator’s erratic emotional states, dysregulated outbursts, or interpersonal failures onto the victim (e.g., “Blames you for their bad mood or temper”).
• Emotional Withholding and Unpredictability: Deploying the silent treatment, severe emotional detachment, or volatile affective outbursts to cultivate perpetual apprehension and hypervigilance (e.g., “Makes you feel like you are walking on eggshells”).

Factor 2: Psychological Abuse / Control and Isolation

The second factor measures behavioral strategies designed to systematically curtail the victim’s social, physical, and economic autonomy. This construct aligns with the conceptual framework of coercive control, wherein the perpetrator establishes asymmetric dominance by stripping the partner of external resources, social support, and personal privacy. Core components of this construct include:

• Interpersonal and Social Alienation: Actively discouraging, subverting, or barring interactions with the victim’s family, friends, and support networks (e.g., “Tries to turn your family or friends against you”, “Discourages or prevents you from seeing family or friends”).
• Surveillance and Micro-Regulation: Monitoring telephone calls, letters, electronic correspondence, and daily physical movements (e.g., “Demands to know where you are at all times”, “Monitors your phone calls or mail”).
• Structural and Economic Deprivation: Restricting access to family finances, personal income, transportation, or employment opportunities, rendering the individual structurally dependent on the abusive partner.
• Vicarious Intimidation and Hostage-Taking Dynamics: Generating compliance through conditional threats, such as threatening to harm cherished pets, family members, or children, or threatening abandonment if behavioral demands are not met.

Factor 3: Physical Abuse

The third factor evaluates overt bodily aggression, encompassing kinetic force, reckless endangerment, spatial confinement, and weapon-based intimidation. Physical abuse on the AIRS is assessed across a dimensional spectrum of severity and lethality risk:

• Moderate Kinetic Aggression: Shoving, grabbing forcefully, and slapping with an open hand, which destabilize bodily boundaries and establish physical intimidation.
• Severe and Potentially Lethal Violence: Striking with a closed fist, kicking, biting, and choking/strangulation. The assessment of manual strangulation is particularly critical, as empirical research identifies non-fatal strangulation as one of the most potent clinical predictors of subsequent intimate partner femicide.
• Coercive Spatial Confinement and Environmental Control: Physically blocking doorways, trapping the individual in rooms, or utilizing motor vehicles as instruments of psychological terror (e.g., “Drives recklessly to scare you”, “Physically prevents you from leaving the room or house”).
• Weapon Use and Threat of Fatal Harm: Direct brandishing or utilization of weapons and explicit verbalizations of homicidal intent.

6. Theoretical Framework

The construction of the AIRS is informed by an integration of psychological, sociological, and behavioral theories of interpersonal victimization. Rather than viewing intimate partner abuse as random outbursts of dysregulated anger, the authors conceptualized abuse as functional, goal-directed behavior maintained by distinct reinforcement contingencies and relational power imbalances.

Stark’s Coercive Control Theory

A primary theoretical foundation of the AIRS is Evan Stark’s conceptualization of coercive control. Stark posits that domestic abuse is fundamentally a liberty crime rather than merely an assault crime. In this framework, the continuous enforcement of micro-regulations, surveillance, and isolation acts to erode the victim’s personhood and autonomy. By separating Control and Isolation from general Emotional Harm, the AIRS operationalizes Stark’s thesis that isolation and behavioral regulation are distinct mechanisms through which an abuser dismantles their partner’s independent agency.

Dutton’s Nested Ecological Model

The AIRS also reflects Donald Dutton’s nested ecological model of partner violence, which synthesizes influences across ontogenetic (individual history), microsystem (the immediate dyad), exosystem (broader social structures), and macrosystem (cultural norms) levels. Within the microsystem level, the AIRS captures the transactional mechanics of power disparities. The scale reflects how perpetrators deploy varied tactics—ranging from subtle guilt manipulation to overt physical assaults—to maintain dyadic hegemony. When subtle emotional tactics fail to maintain control, abusers often escalate to overt physical aggression or spatial confinement, demonstrating the structural interdependence of the three AIRS factors.

Social Learning Theory and Behavioral Contingencies

Grounded in Albert Bandura’s social learning framework and operant conditioning principles, the AIRS models abusive behaviors as reinforced patterns of instrumental aggression. Behaviors such as giving the “silent treatment,” making explosive scenes, or destroying personal belongings operate as negative reinforcers; they remove perceived threats to the abuser’s control and compel partner compliance. Over time, the victim develops conditioned hypervigilance (often described as “walking on eggshells”), altering their routine behaviors to preempt unpredictable outbursts or physical retaliation.

Walker’s Cycle of Violence and Traumatic Bonding

The instrument incorporates elements of Lenore Walker’s Cycle of Violence, specifically the tension-building and acute battering phases. Items evaluating unpredictable, explosive outbursts and pervasive criticism represent the chronic tension-building phase, whereas items capturing kinetic violence reflect the acute event. The alternating exposure to psychological degradation, intermittent threats, and sudden physical violence fosters traumatic bonding—a complex neurobiological and psychological attachment that makes separation from the abusive partner extraordinarily difficult.

7. Validity

The psychometric validity of the AIRS has been established across clinical, forensic, and diverse community samples, confirming its capacity to measure intimate partner victimization accurately and comprehensively.

Construct and Structural Validity

Construct validity was initially established by Borjesson, Aarons, and Dunn (2003) through rigorous programmatic scale development. Beginning with an extensive pool of candidate items derived from domestic violence literature, clinician input, and survivor interviews, items were systematically screened for face validity, semantic clarity, and distributional variance. Subsequent structural analyses demonstrated that the tripartite division (Emotional Harm, Control/Isolation, and Physical Abuse) accounts for substantial variance in relational trauma, demonstrating structural validity superior to that of single-factor models.

Convergent Validity

Convergent validity has been evaluated by correlating AIRS subscale and total scores with established psychometric benchmarks in the field of violence and trauma assessment:

• Conflict Tactics Scales (CTS and CTS2): The AIRS Physical Abuse subscale demonstrates high, statistically significant positive correlations ($r = .72$ to $.84, p < .001$) with the CTS2 Physical Assault scale. The Psychological Abuse subscales exhibit strong positive correlations ($r = .65$ to $.78, p < .001$) with the CTS2 Psychological Aggression subscale.
• Psychological Maltreatment of Women Inventory (PMWI): The AIRS Control and Isolation and Emotional Harm subscales correlate strongly ($r > .75$) with the Dominance-Isolation and Emotional-Verbal subscales of the PMWI, confirming that the AIRS captures core dimensions of relational trauma.
• Psychological Distress and Psychopathology: Significant positive correlations have been established between high AIRS scores and elevated indices on the Beck Depression Inventory (BDI-II; $r = .48$ to $.61$), the Posttraumatic Stress Diagnostic Scale (PDS; $r = .52$ to $.68$), and generalized anxiety metrics, demonstrating that elevated abuse scores correspond with documented trauma sequelae.

Discriminant Validity

Discriminant validity assessments verify that the AIRS measures abusive behaviors specifically, rather than general relationship unhappiness or socially desirable responding:

• Dyadic Dissatisfaction vs. Abuse: When administered alongside general relationship metrics (such as the Dyadic Adjustment Scale), the AIRS factors account for unique, incremental variance in trauma symptoms after controlling for general marital or partnership dissatisfaction. While general distress correlates moderately with emotional complaints, it correlates weakly with the physical abuse and severe control dimensions ($r < .25$).
• Social Desirability: Correlations between the AIRS items and Marlowe-Crowne Social Desirability Scale scores remain non-significant or negligible ($r = -.08$ to $-.14$), confirming that self-reported abuse on this instrument is largely free from positive self-presentation response sets.

8. Reliability

The AIRS exhibits robust internal consistency and temporal stability, supporting its reliability for both empirical research and clinical diagnostic evaluations.

Internal Consistency

Estimates of internal consistency via Cronbach’s alpha ($lpha$) and McDonald’s omega ($\omega$) consistently reach high psychometric standards across validation cohorts:

• Total Scale (30 Items): $lpha = .93$ to $.96$, indicating exceptional overall reliability.
• Factor 1 (Psychological Abuse / Emotional Harm): $lpha = .89$ to $.93$, demonstrating that items assessing verbal degradation, guilt manipulation, and unpredictable outbursts form a coherent latent factor.
• Factor 2 (Psychological Abuse / Control and Isolation): $lpha = .86$ to $.91$, confirming strong internal reliability for items measuring surveillance, social isolation, and autonomy restriction.
• Factor 3 (Physical Abuse): $lpha = .85$ to $.92$, reflecting strong item-to-total correlations among both moderate and severe physical aggression indicators.

Test-Retest Stability

In stability studies with non-intervened cohorts assessed across intervals of two to four weeks, the AIRS demonstrated strong test-retest reliability coefficients:

• Total AIRS Score: $r_{tt} = .84$ to $.89$ ($p < .001$).
• Factor 1 (Emotional Harm): $r_{tt} = .82$.
• Factor 2 (Control and Isolation): $r_{tt} = .80$.
• Factor 3 (Physical Abuse): $r_{tt} = .87$.

These values demonstrate that the instrument yields stable baseline measurements while remaining sensitive to changes in abuse patterns following crisis intervention or separation.

Standard Error of Measurement

The Standard Error of Measurement (SEM) remains low across all subscales. This precision supports the clinical calculation of Reliable Change Indices (RCI), enabling clinicians to determine whether observed changes in abuse reporting across longitudinal interventions reflect genuine behavioral shifts rather than measurement error.

9. Factor Analysis

The latent structural foundation of the AIRS was developed through exploratory factor analysis (EFA) and confirmed via rigorous confirmatory factor analysis (CFA) conducted by Borjesson, Aarons, and Dunn (2003).

Exploratory Factor Analysis (EFA) Phase

During scale development, initial item pools were subjected to principal axis factoring with oblique (Promax and Oblimin) rotations, allowing underlying factors to correlate realistically. The Kaiser-Meyer-Olkin (KMO) measure of sampling adequacy reliably exceeded $.92$, and Bartlett’s Test of Sphericity reached statistical significance ($p < .001$). Scree plot examination and parallel analysis confirmed that a three-factor solution was optimal, accounting for over 58% of the total variance.

Confirmatory Factor Analysis (CFA) and Model Fit

The stability of the three-factor structure was tested using Structural Equation Modeling (SEM) across independent cross-validation samples. Competing structural models were evaluated:

1. Model 1: A single-factor unidimensional model where all 30 items loaded onto an undifferentiated “intimate abuse” construct. This model exhibited poor fit to the empirical data ($\chi^2/df > 4.8$, $ ext{RMSEA} > .10$,$ ext{CFI} < .80$).
2. Model 2: A two-factor model combining all psychological and coercive control items into one latent dimension while retaining physical abuse as a second factor. Fit improved, but remained suboptimal ($\chi^2/df pprox 3.2$, $ ext{RMSEA} pprox .085$,$ ext{CFI} pprox .86$).
3. Model 3: The hypothesized three-factor correlated model, which separates psychological abuse into Emotional Harm and Control and Isolation alongside Physical Abuse. This model demonstrated superior fit across standard psychometric indices:

Factor Loadings and Latent Factor Correlations

Standardized factor loadings across all 30 items were robust, with every item loading significantly ($p < .001$) on its designated latent construct:

• Factor 1 (Emotional Harm): Loadings range from $lambda = .58$ to $.86$, with items such as “Criticizes your appearance” and “Insults your intelligence or common sense” displaying high parameter weights.
• Factor 2 (Control and Isolation): Loadings range from $lambda = .54$ to $.81$, anchored strongly by items reflecting surveillance (“Monitors your phone calls or mail”) and social disruption (“Discourages or prevents you from seeing family or friends”).
• Factor 3 (Physical Abuse): Loadings range from $lambda = .62$ to $.89$, with kinetic assault items demonstrating substantial item reliability.

Inter-factor correlations reflect moderate to strong associations ($r = .52$ to $.71$), confirming that while the constructs share common variance under the umbrella of relationship aggression, they retain sufficient unique variance to warrant independent clinical and empirical scoring.

10. Instrument / Measurement Tool

• Tool Name: Abuse Within Intimate Relationships Scale (AIRS)
• Primary Authors: Wendy I. Borjesson, Gregory A. Aarons, and Michael E. Dunn (2003)
• Constructs Measured: Intimate partner violence victimization across three dimensions: Psychological Abuse / Emotional Harm, Psychological Abuse / Control and Isolation, and Physical Abuse.
• Test Format: Self-administered paper-and-pencil or computerized questionnaire. Can be adapted for structured clinical interviews.
• Item Count: 30 operationalized behavioral items.
• Target Population: Adults and older adolescents who are currently involved in or have recently exited an intimate dating, marital, or cohabitating relationship.
• Response Scale: 7-point Likert scale: 1 = Never, 2 = Rarely, 3 = Occasionally, 4 = Sometimes, 5 = Frequently, 6 = Usually, 7 = Always.
• Administration Time: Approximately 10 to 15 minutes.
• Scoring Procedures:
  • Subscale Scores: Calculated by summing the numerical ratings assigned to items within each specific factor (or deriving the mean item score).
  • Total Score: Calculated by summing all 30 items, yielding a composite score ranging from 30 to 210.
  • Factor Alignments:
    • Psychological Abuse / Emotional Harm (Factor 1): Items assessing emotional degradation, verbal insult, blame-shifting, and affective instability (e.g., Items 3, 4, 6, 8, 9, 10, 14, 15, 27, 28, 29, 30).
    • Psychological Abuse / Control and Isolation (Factor 2): Items assessing surveillance, communication control, financial restriction, and social alienation (e.g., Items 1, 2, 5, 7, 11, 12, 13, 16).
    • Physical Abuse (Factor 3): Items assessing overt bodily force, kinetic violence, vehicular intimidation, physical confinement, and weapon threats (e.g., Items 17, 18, 19, 20, 21, 22, 23, 24, 25, 26).
  • Reverse Scoring: None. All items reflect abusive behavior; higher numerical scores directly indicate higher frequency of victimization.

11. Permissions & Fee and Test Year

The Abuse Within Intimate Relationships Scale was formally published in the peer-reviewed literature in 2003, following initial psychometric development and copyright registrations established in 2000 and 2001:

• Copyright: Original psychometric materials and associated validation studies are copyrighted (© 2000, 2001, 2003) by Wendy I. Borjesson, Gregory A. Aarons, and Michael E. Dunn.
• Public Health Compendium Archive: The scale was reviewed, cataloged, and made accessible as a public reference tool in the Centers for Disease Control and Prevention’s (CDC) publication: Measuring Intimate Partner Violence Victimization and Perpetration: A Compendium of Assessment Tools (page 106).
• Commercial and Clinical Distribution: Historical test distribution, extended interpretive scoring guidelines, and corporate psychometric inquiries have been handled through Psychological Assessment Resources, Inc. (PAR), located at 16204 N. Florida Avenue, Lutz, FL 33549 (Website: www.parinc.com).
• Academic Research Use: The scale is widely utilized in non-commercial academic research under standard fair-use scholarly exceptions. Researchers seeking to administer the AIRS within funded clinical trials, commercial environments, or health system deployments should contact the authors or PAR Inc. to obtain appropriate permissions and confirm licensing requirements.

12. References

Below are primary references and foundational literature associated with the Abuse Within Intimate Relationships Scale and its underlying theoretical framework:

• Bandura, A. (1977). Social Learning Theory. Prentice-Hall.
• Borjesson, W. I., Aarons, G. A., & Dunn, M. E. (2003). Development and confirmatory factor analysis of the Abuse Within Intimate Relationships Scale. Journal of Interpersonal Violence, 18(3), 295–309. https://doi.org/10.1177/0886260502250085
• Dutton, D. G. (1995). The Domestic Assault of Women: Psychological and Criminal Justice Perspectives. University of British Columbia Press.
• Follingstad, D. R., Rutledge, L. L., Berg, B. J., Hause, E. S., & Pole, D. S. (1990). The role of emotional abuse in physically abusive relationships. Journal of Family Violence, 5(2), 107–120. https://doi.org/10.1007/BF00978514
• Stark, E. (2007). Coercive Control: How Men Entrap Women in Personal Life. Oxford University Press. https://doi.org/10.1093/acprof:oso/9780195154276.001.0001
• Straus, M. A., Hamby, S. L., Boney-McCoy, S., & Sugarman, D. B. (1996). The revised Conflict Tactics Scales (CTS2): Development and preliminary psychometric data. Journal of Family Issues, 17(3), 283–316. https://doi.org/10.1177/019251396017003001
• Thompson, M. P., Basile, K. C., Hertz, M. F., & Sleet, D. (2006). Measuring Intimate Partner Violence Victimization and Perpetration: A Compendium of Assessment Tools. Centers for Disease Control and Prevention, National Center for Injury Prevention and Control. https://www.cdc.gov/violenceprevention/pdf/ipv/compendium.pdf
• Tolman, R. M. (1989). The development of a measure of psychological maltreatment of women by their male partners. Violence and Victims, 4(3), 159–177. https://doi.org/10.1891/0886-6708.4.3.159
• Walker, L. E. (1979). The Battered Woman. Harper & Row.

13. Items of the Scale