Compulsive Buying Scale (CBS-Faber)

1. Abstract

The Compulsive Buying Scale (often abbreviated as CBS or CBS-Faber), developed by Ronald J. Faber and Thomas C. O’Guinn in 1992, is widely regarded as the foundational psychometric screener for identifying compulsive buying disorder (CBD). Published in the Journal of Consumer Research, the instrument was established to differentiate clinical or pathological consumers from normal, non-pathological consumers within contemporary consumer cultures. The scale consists of seven self-report items derived through rigorous discriminant analysis and multivariate regression techniques from an initial pool of behavioral, affective, and cognitive markers. Rather than using an unweighted additive summation, the CBS employs a specific regression-weighted scoring formula: a constant term (-9.69) combined with the linear product of specific regression weights and raw item responses, where an overall score of ≤ -1.34 designates a respondent as a compulsive buyer. Item 1 assesses irresistible spending tendencies using a 5-point Likert agreement scale (1 = Strongly Agree to 5 = Strongly Disagree), whereas Items 2 through 7 assess behavioral frequency (emotional shopping, secrecy, financial distress, inability to pay balances, and post-purchase remorse) across a 5-point frequency scale (1 = Very Often to 5 = Never). Psychometrically, the scale demonstrates robust criterion-related validity, high classification accuracy, strong sensitivity (approximately 88%), high specificity (approximately 85%), and acceptable to high internal consistency reliability (α ranging from .78 to .89 across general and clinical populations). Decades of empirical replication across clinical psychiatry, behavioral addiction research, consumer psychology, and cross-cultural psychometrics affirm the scale as an indispensable, time-tested screener for studying unregulated consumptive pathology and impulse-control deficits in modern retail and digital marketplace environments.

2. Keywords

Compulsive Buying Scale, CBS-Faber, compulsive buying disorder, behavioral addiction, impulse control disorders, consumer psychology, psychometrics, credit card debt, emotional spending, clinical screener, Oniomania, shopping addiction

3. Authors

The Compulsive Buying Scale was developed by two prominent scholars at the intersection of consumer behavior, communication theory, and clinical psychology:

• Ronald J. Faber, Ph.D. — Professor Emeritus of Mass Communication and Advertising at the School of Journalism and Mass Communication, University of Minnesota, Minneapolis, Minnesota, United States. Dr. Faber’s research has extensively investigated compulsive consumption, marketing effects on vulnerable populations, consumer pathology, and advertising psychology.
• Thomas C. O’Guinn, Ph.D. — Professor Emeritus of Marketing and Sociology at the Wisconsin School of Business, University of Wisconsin–Madison, Madison, Wisconsin, United States (formerly faculty at the University of Illinois at Urbana–Champaign). Dr. O’Guinn has written prolifically on the sociology of consumer behavior, brand communities, consumer culture theory, and aberrant consumer practices.

4. Purpose

The principal objective of the Compulsive Buying Scale is to provide a brief, methodologically defensible, and clinically validated diagnostic screener capable of distinguishing pathological compulsive buyers from ordinary or recreational shoppers. In modern industrialized economies, consumer purchasing is heavily promoted through mass advertising, instantaneous consumer credit, digital shopping platforms, and cultural paradigms equating material acquisition with happiness, status, and self-worth. In this climate, drawing a clear boundary between severe shopping, hedonic overspending, and genuine psychopathology represents an ongoing diagnostic challenge.

Prior to the development of the CBS, researchers and clinicians lacked an empirically grounded screening instrument with established classification thresholds. Clinical literature had recognized “oniomania” — a clinical entity first conceptualized by German psychiatrist Emil Kraepelin and Swiss psychiatrist Eugen Bleuler in the late 19th and early 20th centuries — but systematic epidemiological and psychometric investigations were impeded by the absence of standardized diagnostic tools. The CBS was explicitly created to fill this void by providing a psychometrically sound, short-form screener that minimizes respondent burden while maximizing discriminatory sensitivity and specificity.

In clinical settings, the purpose of the CBS is to screen incoming patients for comorbid impulse-control failures and non-substance behavioral addictions. Compulsive buying frequently co-occurs with major depressive disorder, anxiety disorders, bipolar disorder, obsessive-compulsive disorder (OCD), eating disorders, and hoarding disorder. By implementing a standardized screener, clinicians can rapidly flag patients whose psychological distress is either masked by or exacerbated by uncontrollable spending cycles. This facilitates timely clinical interventions, including cognitive-behavioral therapy (CBT), financial counseling, and appropriate psychiatric medication management.

In academic and market research, the CBS serves as an empirical benchmark to study the prevalence, antecedents, and consequences of compulsive buying in general populations. Researchers use the scale to explore the neurological, emotional, and sociological underpinnings of consumer debt, materialism, self-regulatory depletion, and digital shopping platforms (such as one-click ordering and “Buy Now, Pay Later” financial structures). By standardizing the classification threshold (a regression-derived cutoff of ≤ -1.34), the CBS enables cross-study comparability across diverse sociodemographic and international cohorts.

5. Psychological Construct

Compulsive buying disorder is conceptualized as a chronic, repetitive purchasing behavior characterized by an irresistible urge to acquire possessions, accompanied by a profound loss of impulse control, which is primarily driven by internal psychological distress rather than a genuine need for or enjoyment of the purchased goods. Faber and O’Guinn (1992) defined compulsive buying as “chronic, repetitive purchasing that becomes a primary response to negative events or feelings” that provides temporary emotional relief or short-term gratification, but ultimately culminates in severe financial devastation, legal complications, marital conflict, and intense subjective distress.

The construct measured by the CBS is multifaceted, reflecting an interplay of affective dysregulation, cognitive biases, impaired impulse control, and tangible behavioral disruption. Psychometric and clinical analyses reveal four core psychological dimensions captured within the seven items of the scale:

5.1 Mood Modification and Compensatory Escapism

At the heart of compulsive buying is the functional utility of the buying act as an emotional coping mechanism. Compulsive buyers purchase goods not for their intrinsic utility or monetary value, but for the immediate hedonic elevation and psychological escape the buying process provides. Items such as “Bought myself something in order to make myself feel better” capture the negative-reinforcement cycle where shopping serves to attenuate dysphoria, loneliness, anxiety, or low self-esteem. The emotional trajectory begins with rising negative affect, shifts to short-term euphoria and empowerment during shopping, and promptly descends into guilt and distress following the transaction.

5.2 Impaired Behavioral Self-Regulation and Craving

Compulsive buyers experience severe deficits in inhibitory control when confronted with buying opportunities or personal disposable funds. This is exemplified by the item “If I have any money left at the end of the pay period, I just have to spend it” and “Felt anxious or nervous on days I didn’t go shopping.” These statements measure an inability to resist impulses, subjective tension, and withdrawal-like symptoms when prevented from acquiring items. The purchasing behavior mirrors core mechanisms of behavioral addiction, including tolerance (requiring higher spending or more frequent purchases to achieve emotional relief) and craving (cognitive preoccupation with shopping).

5.3 Harmful Financial and Functional Consequences

Unlike normal enthusiastic shoppers or luxury collectors, compulsive buyers consistently spend well beyond their economic means, creating severe long-term functional impairment. The scale specifically indexes this reality through direct behavioral markers: “Bought things even though I couldn’t afford them,” “Wrote a check when I knew I didn’t have enough money in the bank to cover it,” and “Made only the minimum payments on my credit cards.” These items assess objective functional disruption, chronic debt accumulation, financial obfuscation, and unmanaged credit utilization.

5.4 Secrecy, Guilt, and Post-Purchase Concealment

Because compulsive buyers often recognize that their behavior is pathological, unmanageable, and socially aberrant, the disorder is accompanied by intense shame and defensive concealment. The item “Felt others would be horrified if they knew of my spending habits” captures this social anxiety and self-evaluative dread. Compulsive buyers routinely hide parcels, lie about price tags, open secret credit lines, and discard purchased goods without ever opening or using them, reflecting significant shame and post-purchase remorse.

6. Theoretical Framework

The theoretical architecture of the Compulsive Buying Scale rests on three intersecting frameworks within psychology, psychiatric nosology, and consumer behavior:

6.1 Impulse-Control Disorders and Behavioral Addiction Models

Historically, the DSM-III-R and DSM-IV conceptualized compulsive buying as an Impulse-Control Disorder Not Otherwise Specified (similar to kleptomania, pyromania, or intermittent explosive disorder). In contemporary psychiatric discourse (including discussions surrounding DSM-5 and ICD-11), compulsive buying is increasingly understood as a behavioral addiction alongside gambling disorder and gaming disorder. Under this theoretical lens, the behavioral cycle mirrors substance use disorders:

• Preoccupation / Craving: Recurrent intrusive thoughts focused on acquiring goods.
• Dopaminergic Mesolimbic Activation: Neuroimaging studies demonstrate that compulsive buyers exhibit heightened activation in the ventral striatum and nucleus accumbens during the anticipation of a purchase, accompanied by reduced inhibitory control signaling in the ventromedial prefrontal cortex.
• Dysphoria and Craving Relief: Compulsive buyers purchase to relieve negative states rather than to accumulate physical possessions. Once an item is purchased, the anticipated reward vanishes, leaving residual distress and shame.

6.2 Escape Theory of the Self

Faber and O’Guinn drew heavily upon social-psychological formulations of compensatory behavior, including Roy Baumeister’s Escape Theory of the Self. When individuals face painful discrepancies between their ideal self and their actual self — manifested as feelings of personal inadequacy, low self-esteem, depression, or marital dissatisfaction — they seek to narrow their cognitive focus to low-level, immediate sensory stimuli. Shopping provides a concrete, highly stimulating, structured environment where the consumer is treated as valued and in control. The act of buying allows an immediate escape from meaningful self-reflection into a short-term, rewarding cognitive state.

6.3 Social Cognitive Theory and Materialist Culture

From a sociocultural standpoint, compulsive buying is influenced by cultural conditioning. Consumer cultures establish that material possessions confer happiness, social prestige, and identity transformation. Faber and O’Guinn theorized that compulsive buying is a culturally sanctioned pathology: while illicit substance abuse or gambling are explicitly stigmatized, the consumer marketplace continuously urges individuals to spend. Compulsive buyers internalize this social script to an extreme degree, relying on purchases to regulate internal distress.

7. Validity

The Compulsive Buying Scale has undergone extensive empirical evaluation to establish its construct, criterion-related, convergent, and discriminant validity across diverse clinical and non-clinical samples.

7.1 Criterion-Related and Predictive Validity

In the original validation study by Faber and O’Guinn (1992), criterion validity was evaluated using a known-groups design. The authors administered the questionnaire to a sample of 388 self-identified compulsive buyers (recruited through self-help groups such as Spenders Anonymous, psychiatric clinics, and clinical referrals) and a general population comparison group of 292 randomly selected consumers. Discriminant analysis and logistic regression revealed that the CBS formula achieved an overall classification accuracy of 88.3%. Specifically:

• Sensitivity: 87.5% of confirmed compulsive buyers were accurately categorized as compulsive buyers.
• Specificity: 85.2% of the general population control sample were correctly identified as normal consumers.
• Cross-Validation: Jackknife classification procedures and split-sample validation supported the stability of the regression weights and confirmed that classification rates remained steady when tested on independent sub-samples.

7.2 Convergent Validity

Extensive cross-validation studies consistently show strong convergent validity between the CBS and associated psychological constructs:

• Materialism: Significant positive correlations with Richins and Dawson’s Material Values Scale (MVS; r values typically ranging from .45 to .62), indicating that compulsive buyers place disproportionately high value on acquisition as a life goal.
• Self-Esteem: Strong negative correlations with the Rosenberg Self-Esteem Scale (r ranging from -.35 to -.55), confirming that lower self-worth is strongly tied to compulsive spending tendencies.
• Depression and Negative Affectivity: Robust positive associations with the Beck Depression Inventory (BDI; r = .38 to .52) and the Positive and Negative Affect Schedule (PANAS-NA; r = .40 to .48).
• Impulsivity: Highly correlated with the Barratt Impulsiveness Scale (BIS-11; r = .42 to .58), especially along the motor and attentional impulsivity subdimensions.
• Alternative Compulsive Buying Measures: Correlates strongly (r > .70) with the Edwards Compulsive Buying Scale (ECBS), the Valence Compulsive Buying Screener, and the Richmond Compulsive Buying Scale (RCBS).

7.3 Discriminant Validity

Discriminant validity has been demonstrated by showing that compulsive buying is distinct from general recreational shopping, non-pathological collecting, and utilitarian spending. Ordinary recreational shoppers obtain high scores on shopping enjoyment, but do not show the financial distress, extreme guilt, or chronic secrecy indexed by the CBS. Confirmatory factor analysis has repeatedly demonstrated that compulsive buying loads on a factor separable from general impulse buying (which represents situational, spur-of-the-moment purchasing without chronic negative consequences or underlying emotional dysregulation).

8. Reliability

The psychometric reliability of the Compulsive Buying Scale has been demonstrated across diverse demographic cohorts, clinical populations, and international linguistic adaptations:

8.1 Internal Consistency Reliability

In the original Faber and O’Guinn (1992) development study, the internal consistency of the combined scale yielded a Cronbach’s alpha of α = .83, reflecting high homogeneity among items despite their split across agreement and frequency formats. Subsequent validation studies have consistently confirmed acceptable to high reliability coefficients:

• In general consumer samples: Cronbach’s α typically ranges between .78 and .85.
• In clinical and self-help populations (e.g., individuals seeking treatment for oniomania or credit overextension): Cronbach’s α typically reaches .84 to .89.
• International adaptations (e.g., German, Spanish, French, and Chinese versions): Cronbach’s α consistently exceeds the accepted .70 psychometric threshold, ranging from .76 to .88.

8.2 Test-Retest Reliability

Temporal stability evaluations indicate that compulsive buying behaviors captured by the CBS reflect enduring trait-like behavioral patterns rather than transient states. Longitudinal studies with retest intervals between 4 weeks and 6 months have demonstrated test-retest correlation coefficients (r) ranging from .75 to .84, confirming that without clinical intervention, compulsive buying remains stable over time.

8.3 Item-Total Correlations and Inter-Item Consistency

Corrected item-total correlations across the seven items range from .46 to .68. The items evaluating financial distress (e.g., buying things one cannot afford, minimum credit payments) and affective regulation (buying to feel better) consistently show the highest factor loadings and discrimination indices.

9. Factor Analysis

The statistical derivation of the CBS differs fundamentally from standard Likert-scale summation instruments. Faber and O’Guinn utilized a two-phase analytical strategy to establish the instrument’s structure:

9.1 Original Derivation via Discriminant Analysis and Logistic Regression

Faber and O’Guinn initially compiled a comprehensive 29-item battery reflecting affective responses, cognitive beliefs, financial behaviors, and self-esteem markers. They then administered this instrument to both compulsive buyers and a general population control group. Stepwise discriminant analysis and logistic regression were performed to identify the subset of items that maximally accounted for group separation while eliminating redundant or non-predictive items.

This process yielded a seven-item solution that maximized the explained variance between clinical and normal groups. Rather than simple addition, the items were retained along with their unstandardized regression weights to form a predictive classification equation. The resulting linear discriminant function proved superior to unweighted summation, as it accounts for the relative predictive power of each specific symptom.

9.2 Exploratory and Confirmatory Factor Analyses (EFA/CFA)

Subsequent psychometric investigations evaluating the latent structure of the seven items have generally identified either a single overarching factor or a closely coupled two-factor model:

• Unidimensional Structure: Multiple Confirmatory Factor Analyses (CFAs) have confirmed that a single latent factor (“Compulsive Buying Tendency”) provides an acceptable fit to the empirical data in adult consumer cohorts. Typical fit indices across studies include: Comparative Fit Index (CFI) = .94 to .97; Tucker-Lewis Index (TLI) = .92 to .95; Root Mean Square Error of Approximation (RMSEA) = .045 to .068; and Standardized Root Mean Square Residual (SRMR) ≤ .05.
• Two-Factor Correlated Structure: In some cross-cultural studies, EFA reveals two interrelated sub-dimensions: (1) Emotional Regulation & Compulsion (comprising Item 1, Item 2, Item 5, and Item 6), and (2) Financial Consequences & Behavioral Impairment (comprising Item 3, Item 4, and Item 7). These two dimensions typically correlate strongly (r > .65), justifying the retention of the overarching composite score.

10. Instrument / Measurement Tool

• Instrument Name: Compulsive Buying Scale (CBS / CBS-Faber).
• Primary Reference: Faber, R. J., & O’Guinn, T. C. (1992). A clinical screener for compulsive buying. Journal of Consumer Research, 19(3), 459–469.
• Construct Assessed: Pathological / Compulsive Buying Disorder (CBD).
• Target Population: Adult consumers (ages 18 and older); adaptable for clinical intake and academic research.
• Administration Format: Self-report questionnaire, available in paper-and-pencil, computer-assisted, or online survey formats.
• Administration Time: Approximately 2 to 4 minutes.
• Total Number of Items: 7 items.
• Response Scale: 5-point scale: Item 1 is rated on a 5-point agreement scale (1 = Strongly Agree to 5 = Strongly Disagree); Items 2 to 7 are rated on a 5-point frequency scale (1 = Very Often to 5 = Never). Note: in the original scoring formula, items are weighted directly according to the regression equation.
• Scoring Formula: Compulsive Buying Screener score is computed using the regression formula:
  
  Scoring equation = -9.69 + (Q1 * 0.33) + (Q2a * 0.34) + (Q2b * 0.50) + (Q2c * 0.47) + (Q2d * 0.33) + (Q2e * 0.38) + (Q2f * 0.31)
• Classification Rule: If the resulting score is less than or equal to -1.34 (≤ -1.34), the respondent is classified as a compulsive buyer. Scores greater than -1.34 (> -1.34) indicate normal or non-compulsive consumer buying patterns. (Note: Because the response options are coded 1 for highest severity / frequency and 5 for lowest severity / frequency, a lower total score indicates greater pathology).

11. Permissions & Fee and Test Year

The Compulsive Buying Scale was published in 1992 in the peer-reviewed academic journal Journal of Consumer Research (Volume 19, Issue 3, December 1992, pages 459–469). Under academic fair use guidelines, the scale items and scoring formula may be used freely by researchers, educators, and clinicians for non-commercial research, academic study, and clinical screening purposes, provided that appropriate scholarly attribution is cited to Ronald J. Faber and Thomas C. O’Guinn (1992).

For commercial use, proprietary health software integration, pharmaceutical clinical trials, or inclusion in for-profit assessment batteries, permissions may need to be cleared with the copyright holder, Oxford University Press (on behalf of the Journal of Consumer Research, Inc.). Requests for formal commercial licensing or institutional adaptation should be directed to Oxford University Press Permissions Department or directly to the corresponding authors via their respective university affiliations.

12. References

• Black, D. W. (2007). A review of compulsive buying disorder. World Psychiatry, 6(1), 14–18. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1805733/
• Dittmar, H. (2005). Compulsive buying—a growing problems? A study of gender, age, and role of self-image congruency. British Journal of Psychology, 96(4), 467–491. https://doi.org/10.1348/000712605X53533
• Edwards, E. A. (1993). Development of a new scale for measuring compulsive buying behavior. Financial Counseling and Planning, 4, 67–84.
• Faber, R. J., & O’Guinn, T. C. (1992). A clinical screener for compulsive buying. Journal of Consumer Research, 19(3), 459–469. https://doi.org/10.1086/209315
• Müller, A., Mitchell, J. E., & de Zwaan, M. (2015). Compulsive buying. The American Journal on Addictions, 24(2), 132–137. https://doi.org/10.1111/ajad.12111
• O’Guinn, T. C., & Faber, R. J. (1989). Compulsive buying: A phenomenological exploration. Journal of Consumer Research, 16(2), 147–157. https://doi.org/10.1086/209204
• Ridgway, N. M., Kukar-Kinney, M., & Monroe, K. B. (2008). An expanded conceptualization and a new measure of compulsive buying. Journal of Consumer Research, 35(4), 622–639. https://doi.org/10.1086/591108
• Valence, G., d’Astous, A., & Fortier, L. (1988). Compulsive buying: Concept and measurement. Journal of Consumer Policy, 11(4), 419–433. https://doi.org/10.1007/BF00411854

13. Items of the Scale