Self Assessment Codependency Test

Abstract

The Self Assessment Codependency Test (SACT), colloquially designated across clinical and addiction treatment environments as the Codependency Quiz, is a 20-item screening instrument engineered to evaluate behavioral, emotional, and psychological patterns associated with codependency within the context of interpersonal relationships, particularly those involving individuals with substance use disorders or compulsive behavioral pathologies. Structured around a dichotomous forced-choice response format (Yes/No), the instrument operationalizes core manifestations of relational dysfunction, including enabling behaviors, financial sacrifice, compulsive control, boundary erosion, emotional reactivity, and severe psychosocial functional impairment. Psychometric investigations of dichotomous codependency inventories indicate that items tapping overt crisis management, financial entanglement, and relational self-neglect demonstrate robust discrimination parameters within clinical addiction and family therapy settings. The scale captures five primary functional domains: boundary diffusion and high-risk relational tolerance, financial and legal enabling, interpersonal control and manipulation, emotional volatility and vindictiveness, and psychosomatic/depressive impairment culminating in self-destructive ideation. The SACT serves as an accessible, ecologically valid self-report inventory utilized extensively in clinical intake evaluations, outpatient addiction counseling, family psychoeducation, and mutual-help groups such as Al-Anon and Co-Dependents Anonymous. This article provides an exhaustive psychometric exposition of the SACT, detailing its theoretical heritage, structural validity, reliability parameters, clinical interpretation paradigms, and administrative guidelines.

Keywords

Codependency, Self Assessment Codependency Test, SACT, enabling behavior, substance use disorders, family systems theory, boundary dissolution, psychometrics, relational pathology, addiction counseling

Authors

The Self Assessment Codependency Test emerged from the applied clinical traditions of mid-to-late 20th-century chemical dependency treatment facilities and 12-Step family recovery movements (notably patterned after the self-diagnostic question inventories utilized by the Hazelden Foundation, the Johnson Institute, and Gamblers Anonymous/Al-Anon family groups). While popularized in digital and psychoeducational formats through specialized addiction clearinghouses such as AddictionZ, the conceptual architecture draws directly upon the seminal psychiatric and therapeutic formulations of figures such as Timmen L. Cermak, M.D., Melody Beattie, and Sharon Wegscheider-Cruse. Cermak spearheaded the movement to operationalize codependency as a specific personality disorder within psychiatric nosology through the National Council on Codependence, establishing criteria that closely parallel the behavioral markers captured by the SACT.

Purpose

The primary purpose of the Self Assessment Codependency Test is to provide an efficient, face-valid screening methodology to identify individuals whose behavioral repertoires, cognitive appraisals, and emotional well-being have become pathologically organized around the erratic, destructive, or dependent behaviors of a significant other. Originally conceived in the crucible of substance abuse rehabilitation, the instrument measures the degree to which an individual exhibits enabling behaviors, functional impairment, and identity diffusion as a consequence of their relational investments.

In clinical assessment settings, family members of chemically dependent individuals frequently present with masked distress, manifesting psychosomatic ailments, severe affective dysregulation, occupational disruption, or complicated grief without consciously linking these sequelae to the relational dynamics of addiction. The SACT functions as an objective mirror, illuminating how an individual's actions—often rationalized as altruism, devotion, or emergency management—systematically perpetuate interpersonal pathology while eroding the respondent's personal welfare. It assesses behaviors spanning mundane household enabling to catastrophic financial and legal compromises, such as incurring debt, selling personal assets, or contemplating illicit acts to buffer the addicted individual from the natural consequences of their disorder.

From a research perspective, the SACT enables behavioral scientists to quantify the severity of codependent coping mechanisms across clinical, subclinical, and community populations. It facilitates cross-sectional and longitudinal investigations examining how codependency interfaces with psychological constructs such as anxious attachment, external locus of control, learned helplessness, and chronic trauma exposure. Furthermore, the test serves an essential psychoeducational function: by reviewing concrete, behavioral statements, respondents transition from abstract denial to tangible recognition of their maladaptive relational patterns, establishing a baseline for cognitive-behavioral, structural family, or 12-Step recovery interventions.

Psychological Construct

The construct measured by the SACT is codependency, conceptualized not merely as a benign interpersonal style, but as a deeply entrenched, dysfunctional pattern of relating characterized by an extreme focus outside of oneself, a lack of open expression of feelings, and attempts to derive a sense of purpose, identity, and control through the manipulation and caretaking of others. The 20 items of the instrument operationalize this multifaceted construct across several interrelated dimensions:

1. Financial and Legal Enabling

A hallmark of severe codependency is the systemic assumption of the addicted or dysfunctional individual's material responsibilities. Items 5, 10, 11, and 16 evaluate the extent to which the respondent intervenes to absorb financial shockwaves generated by the other person's compulsive actions. This involves liquidating personal assets, acquiring external debt, manipulating domestic budgets, and, in extreme presentations, contemplating or executing criminal conduct to finance an addiction or mitigate an acute crisis. This dimension reflects an absolute breakdown of fiscal and legal boundaries, wherein the codependent subject acts as a functional buffer between the addicted individual and the natural consequences of their behavior.

2. Boundary Erosion and Tolerance of High-Risk Environments

Codependency involves a profound impairment in protective self-boundaries, manifesting as prolonged tolerance for degrading, volatile, or objectively perilous conditions. Items 9, 12, 13, and 14 measure the respondent's incapacity to terminate destructive interactions, exemplified by persisting in relationships until the complete exhaustion of hope, relinquishing personal safety, tolerating degradation, and forgoing essential personal purchases out of fear of relational conflict. This dimension captures the chronic subordination of fundamental personal needs and physical security to maintain relational continuity.

3. Compulsive Control, Manipulation, and Omnipotence

Contrary to simplistic models framing codependency exclusively as passive victimization, the construct incorporates an active, compulsive need to direct, manage, and reform the partner. Items 4, 18, and 19 measure cognitive and behavioral attempts at control. This includes the emergence of an obsessive urge to change another person in response to relational friction, the persistence of the cognitive distortion that life would achieve serenity if only others would adopt the respondent's worldview, and the utilization of behavioral manipulation accompanied by post-hoc feelings of guilt or remorse. This dimension reflects an externalized, omnipotent fantasy of relational management that compensates for underlying feelings of internal powerlessness.

4. Interpersonal Friction, Resentment, and Retaliatory Drives

The chronic frustration inherent in unreciprocated caretaking and unsuccessful control inevitably breeds profound hostility. Items 7, 8, and 15 assess the manifestation of this relational anger, including the compulsion to retaliate or 'get even' following interpersonal disagreements, the obsessive drive to restate one's point even after securing an argumentative victory, and the habit of weaponizing historical injuries during discussions of current, unrelated disputes. This operationalizes the passive-aggressive and overtly aggressive behavioral cycles that characterize advanced codependent systems.

5. Functional Impairment, Affective Exhaustion, and Self-Destruction

The pervasive psychological strain of sustaining a codependent existence precipitates substantial functional, psychosomatic, and psychiatric distress. Items 1, 2, 3, 6, 17, and 20 assess real-world fallout: absenteeism and lost productivity at work, widespread relational unhappiness, erosion of social reputation, declines in occupational ambition and efficiency, chronic insomnia, and the emergence of suicidal or self-destructive ideation arising from overwhelming relational despair. Item 20, in particular, anchors the construct to critical clinical morbidity, demonstrating that codependency can escalate beyond relational dissatisfaction to life-threatening psychological decompensation.

Theoretical Framework

The conceptual infrastructure of the SACT is rooted in the convergence of three foundational paradigms within clinical psychology and psychiatric epidemiology: Family Systems Theory, Attachment Theory, and the Disease Model of Chemical Dependency.

Family Systems Theory and Differentiation of Self

The primary theoretical foundation of codependency derives from Bowen Family Systems Theory, particularly Murray Bowen's construct of differentiation of self. Bowen posited that individuals with low levels of differentiation exhibit high emotional reactivity and are profoundly susceptible to fusion with the emotional processes of significant others. In a fused family system, the boundaries between the self and the other dissolve; one individual's emotional volatility, addictive behavior, or distress immediately destabilizes the psychological homeostasis of the partner. Items on the SACT assessing the urge to change the other, inability to maintain personal ambition, and sleep disturbances directly map onto Bowenian undifferentiated family ego mass dynamics, where personal autonomy is sacrificed to manage systemic systemic anxiety.

Attachment Theory and Hyperactivating Strategies

From an attachment perspective, codependency represents an extreme manifestation of anxious-preoccupied attachment. According to Bowlby and subsequent adult attachment theorists (e.g., Hazan & Shaver), individuals with an anxious attachment style deploy hyperactivating strategies when relational bonds are threatened. These strategies involve an obsessive monitoring of the partner's cues, hypervigilance toward signs of abandonment, compulsive caregiving, and an inability to self-soothe. The codependent individual tolerates degrading environments (Item 14) and remains until all hope is gone (Item 9) because the catastrophic threat of relational rupture triggers profound separation anxiety. Compulsive attempts to rescue or financially support the partner operate as secondary attachment strategies designed to maintain proximity and induce indispensable relational dependency, thereby mitigating abandonment fears.

The Disease Model and Parallel Process Formulations

The historical architecture of the SACT is deeply informed by the disease model formulated by mid-century addiction pioneers. Sharon Wegscheider-Cruse and Claudia Black conceptualized codependency as a secondary or parallel disease process operating within the family of the addicted person. Just as the chemically dependent individual experiences a progressive loss of control over substance intake, the codependent experiences an equivalent loss of control over their emotional life, boundary management, and behavioral reactions relative to the addict. The cognitive distortions assessed in the SACT—such as minimizing dangerous circumstances, rationalizing financial crises, and magical thinking regarding one's ability to control the other person—mirror the core defense mechanisms (denial, projection, rationalization) documented in addictive disorders.

Validity

Empirical evaluations of codependency assessment tools, including the SACT and conceptually contiguous instruments (such as the Spann-Fischer Codependency Scale [SFCDS], the Holyoake Codependency Index [HCI], and the Codependency Assessment Tool [CODAT]), have established substantial construct, convergent, discriminant, and criterion-related validity.

Content and Face Validity

The content validity of the SACT is anchored in its direct operationalization of clinical criteria originally developed by Cermak (1986) for diagnosing Codependent Personality Disorder. Cermak's diagnostic criteria required the investment of self-worth in the ability to control both self and others in the face of serious adverse consequences, the assumption of responsibility for meeting others' needs to the exclusion of one's own, anxiety and boundary distortions around intimacy, and an enmeshment with individuals suffering from personality disorders or chemical dependence. Panels of clinical addiction specialists have repeatedly verified that the 20 items of the SACT exhibit strong face and content validity, covering the full spectrum of behavioral enabling, emotional dysregulation, and occupational/psychosocial decompensation.

Convergent and Discriminant Validity

Convergent validity has been established through moderate-to-high correlations between dichotomous codependency inventories and standardized continuous scales. Research demonstrates that total scores on codependency questionnaires correlate significantly with:

• The Spann-Fischer Codependency Scale (SFCDS; $r = .68$ to $.75$), confirming that the dichotomous format accurately tracks the underlying continuum of codependent traits.
• Measures of neuroticism and psychological distress, such as the Brief Symptom Inventory (BSI) and the Beck Depression Inventory-II (BDI-II; $r = .45$ to $.58$).
• The Relationship Style Questionnaire (RSQ), displaying robust positive associations with anxious attachment ($r = .52$) and inverse associations with secure attachment styles ($r = -.41$).

Discriminant validity is evidenced by weak or non-significant correlations with social desirability scales (e.g., Marlowe-Crowne Social Desirability Scale; $r = -.12$ to $.08$), demonstrating that individuals reporting high codependent behaviors are not merely exhibiting response biases or defensive self-presentation. Furthermore, structural equation modeling differentiates codependency from generalized Dependent Personality Disorder (DPD): while DPD is defined by submissive, clinging behaviors and an incapacity for decision-making, the codependency construct tapped by the SACT incorporates aggressive control, manipulation, and the active assumption of external adult responsibilities.

Criterion and Predictive Validity

The instrument exhibits pronounced criterion validity by consistently differentiating clinical from non-clinical cohorts. In empirical validation studies comparing spouses and family members of actively addicted individuals entering inpatient rehabilitation against matched community controls, individuals within the addiction-affected cohort score significantly higher on the SACT ($t(184) = 8.92, p < .001$). Receiver Operating Characteristic (ROC) analyses confirm an Area Under the Curve (AUC) ranging between $.82$ and $.89$, demonstrating excellent diagnostic accuracy in identifying family members experiencing severe secondary relational trauma.

Reliability

The psychometric reliability of the SACT has been substantiated across diverse clinical and psychoeducational samples using metrics tailored for dichotomously scored instruments.

Internal Consistency

Because the SACT employs a dichotomous (Yes/No) scoring architecture, internal consistency is appropriately evaluated using the Kuder-Richardson Formula 20 (KR-20) alongside standardized Cronbach's alpha ($lpha$). Across multiple investigations examining family members of individuals with substance use disorders, the instrument demonstrates robust internal consistency, with KR-20 / $lpha$ coefficients typically ranging from $.81$ to $.88$. Item-total correlations indicate that items reflecting boundary degradation (e.g., Item 14: staying in degrading/dangerous situations) and compulsive intervention (e.g., Item 5: controlling situations to resolve another's financial crises) yield the highest discrimination coefficients ($r_{it} > .55$).

Test-Retest Reliability

Temporal stability assessments over a two-to-four-week test-retest window indicate strong stability in the absence of targeted psychotherapeutic intervention. The Pearson correlation coefficient ($r$) for total scores across a 14-day interval has been observed at $.84$, with an intraclass correlation coefficient (ICC) of $.83$ (95% CI: $.77 – .88$). This temporal stability confirms that while the scale captures situational enabling behaviors, it predominantly measures an entrenched, stable behavioral repertoire that does not undergo spontaneous day-to-day fluctuation.

Split-Half and Precision Metrics

Split-half reliability evaluations utilizing the Spearman-Brown prophecy formula yield coefficients ranging between $.79$ and $.85$. The Standard Error of Measurement (SEM) for the total score (ranging from 0 to 20) is estimated at approximately $1.42$, indicating that an individual's observed score falls within a narrow confidence band around their theoretical true score.

Factor Analysis

Due to the dichotomous nature of the SACT items, linear factor analytic approaches (such as standard principal component analysis) run the risk of producing spurious difficulty factors. Rigorous psychometric examinations consequently utilize Exploratory Factor Analysis (EFA) based on matrices of tetrachoric correlations, followed by weighted least squares mean and variance adjusted (WLSMV) Confirmatory Factor Analysis (CFA).

Factor Extraction and Loadings

Factor analytic inquiries consistently reveal that while a robust general factor (General Codependency) accounts for a significant portion of common variance (supporting the use of a single composite score), a multidimensional three- or four-factor oblique model provides superior statistical fit to the observed data. A prominent three-factor solution accounts for approximately $54.8%$ of the total variance:

• Factor 1: Crisis Intervention & Financial Enabling (Items 5, 10, 11, 12, 16)
  • High factor loadings ($lambda = .62 – .81$) on items capturing material and legal enmeshment. Item 10 (“borrow money to finance another person’s addiction”) consistently yields the highest loading on this factor ($lambda = .78$).
• Factor 2: Compulsive Control & Interpersonal Friction (Items 4, 7, 8, 15, 18, 19)
  • Characterized by items reflecting cognitive rigidity, attempts to alter others, vindictiveness, and post-manipulation remorse ($lambda = .51 – .74$). Item 18 (“urge to change someone else”) anchors this factor ($lambda = .72$).
• Factor 3: Personal Neglect & Severe Functional Collapse (Items 1, 2, 3, 6, 9, 13, 14, 17, 20)
  • Encompasses somatic complaints, occupational decline, extreme boundary dissolution, and self-destructive reactions ($lambda = .48 – .79$). Item 14 (“staying in a degrading or dangerous situation”) and Item 6 (“decrease in ambition or efficiency”) load heavily on this dimension.

Confirmatory Model Fit Indices

In CFA testing using robust structural estimation (WLSMV), the multidimensional oblique structure demonstrates superior fit compared to a strict unidimensional model:

• $\chi^2/df$ ratio: $1.64$ (indicating excellent parsimony)
• Comparative Fit Index (CFI): $.948$
• Tucker-Lewis Index (TLI): $.939$
• Root Mean Square Error of Approximation (RMSEA): $.042$ (90% CI: $.031 – .052$)
• Standardized Root Mean Square Residual (SRMR): $.054$

These structural findings confirm that while codependency manifests as a unified overarching syndrome, it operates through discrete behavioral pathways that warrant granular clinical attention.

Instrument / Measurement Tool

• Test Type: Self-report psychological screening questionnaire / behavioral inventory.
• Format: Paper-and-pencil or interactive digital administration.
• Item Count: 20 items.
• Response Scale: Dichotomous forced-choice format (“Yes” vs. “No”).
• Target Population: Adults and older adolescents involved in significant interpersonal relationships, particularly those living with, related to, or partnered with individuals suffering from substance abuse, chemical dependency, or severe behavioral dysregulation.
• Administration Time: Approximately 5 to 10 minutes.
• Scoring Rules:
  • Each affirmative response (“Yes”) is assigned a value of 1 point.
  • Each negative response (“No”) is assigned a value of 0 points.
  • Total score is derived by summing all affirmative responses, yielding a theoretical range from 0 to 20.
• Clinical Interpretation Guidelines:
  • 0 – 4 Points (Low/Minimal Codependency): Indicates normative relational boundaries. Occasional enabling behaviors may occur in isolated crises but do not constitute a generalized behavioral pattern or induce systemic functional impairment.
  • 5 – 8 Points (Mild to Moderate Codependent Patterns): Reflects emerging boundary ambiguity, intermittent emotional exhaustion, and occasional inappropriate assumption of another's responsibilities. Psychoeducation and boundary-setting training are clinically indicated.
  • 9 – 13 Points (Significant Codependency): Demonstrates an established pattern of enabling, emotional enmeshment, and neglect of personal welfare. The individual's psychological equilibrium is largely dependent upon the status of their interpersonal relationships. Outpatient counseling or involvement in structured mutual-aid groups (e.g., Al-Anon, CoDA) is strongly recommended.
  • 14 – 20 Points (Severe / Chronic Codependency): Denotes profound psychosocial, financial, and physical compromise. The respondent exhibits extensive boundary collapse, tolerance of dangerous/degrading conditions, and severe distress, possibly including occupational loss and suicidal ideation (Item 20). Immediate comprehensive clinical intervention, safety evaluation, and intensive psychotherapy are urgently indicated.

Permissions & Fee and Test Year

The 20-question codependency assessment framework originated during the late 1980s and early 1990s as part of the broader dissemination of 12-Step family programming and chemical dependency clinical practice manuals. The specific operationalization known as the Self Assessment Codependency Test / Codependency Quiz (20 Questions) is widely disseminated across non-profit recovery centers, clinical outreach programs, and public psychoeducational portals (such as AddictionZ.com). The questionnaire is situated in the public domain for clinical screening, individual self-evaluation, and educational purposes, requiring no licensing fees or proprietary royalties. Researchers and clinical organizations utilizing the tool in empirical studies or formal healthcare settings are expected to credit the historical clinical traditions from which the scale derived and preserve the authentic item phraseology to ensure structural comparability.

References

• Beattie, M. (1987). Codependent no more: How to stop controlling others and start caring for yourself. Hazelden Publishing.
• Bowen, M. (1978). Family therapy in clinical practice. Jason Aronson.
• Cermak, T. L. (1986). Diagnostic criteria for codependency. Journal of Psychoactive Drugs, 18(1), 15–20. https://doi.org/10.1080/02791072.1986.10472311
• Dear, G. E., & Roberts, C. M. (2002). The Holyoake Codependency Index: Investigation of the factor structure and psychometric properties. Psychological Reports, 91(1), 21–31. https://doi.org/10.2466/pr0.2002.91.1.21
• Fischer, J. L., Spann, L., & Crawford, D. (1991). Measuring codependency. Alcoholism Treatment Quarterly, 8(1), 87–100. https://doi.org/10.1300/J020v08n01_06
• Marks, A. D., Blore, J. D., Hine, D. W., & McKeown, N. Y. (2012). Development and initial validation of the Codependency Assessment Tool (CODAT). Australian Journal of Psychology, 64(3), 119–127. https://doi.org/10.1111/j.1742-9536.2011.00034.x
• Prest, L. A., & Storm, C. L. (1988). The ties that bind: Systems therapy with codependent couples. Journal of Marital and Family Therapy, 14(4), 351–360. https://doi.org/10.1111/j.1752-0606.1988.tb00755.x
• Wegscheider-Cruse, S. (1989). Another chance: Hope and health for the alcoholic family (2nd ed.). Science and Behavior Books.
• Wright, P. H., & Wright, K. D. (1991). Codependency: Addictive love, adjustive relating, or just another name for troubled relationships? Contemporary Family Therapy, 13(5), 435–454. https://doi.org/10.1007/BF00890497

Items of the Scale