Disgust (DIS)

1. Abstract

The Disgust (DIS) Scale, developed by Jennifer J. Argo, Darren W. Dahl, and Andrea C. Morales (2006), is a brief, highly sensitive psychometric instrument designed to capture transient, state-level experiences of disgust in response to environmental, social, and product-related contamination cues. Originating in empirical consumer psychology and marketing science, the instrument quantifies the visceral, negative affective response triggered when an individual perceives that an object, environment, or consumer product has been physically contacted or contaminated by an external entity. Composed of three unifactorial items (“Disgusted,” “Grossed out,” and “Repulsed”), the scale employs a 7-point Likert response format ranging from 1 (“Not at all”) to 7 (“Extremely”). Despite its brevity, the Disgust Scale demonstrates outstanding psychometric rigor, regularly yielding internal consistency estimates (Cronbach’s alpha) between .88 and .94 across diverse experimental manipulations. Exploratory and confirmatory factor analytic studies consistently establish a strictly unidimensional structure, with standardized factor loadings routinely exceeding .85. The scale exhibits robust convergent validity through strong inverse associations with product evaluations, perceived brand value, and willingness to pay, alongside clear discriminant validity differentiating it from related negative discrete emotions, such as anger, sadness, and generalized anxiety. The instrument serves as a foundational measurement model within consumer behavior, evolutionary psychology, services marketing, and retail management research, enabling scholars to dissect how the human behavioral immune system operates within contemporary commercial, social, and service landscapes.

2. Keywords

Disgust, Consumer Contamination, State Affect, Behavioral Immune System, Emotional Appraisal, Argo Dahl and Morales, Law of Contagion, Psychometrics, Visceral Aversion, Product Evaluation, Retailing Behavior

3. Authors

The Disgust (DIS) Scale was conceptualized, operationalized, and validated by an esteemed team of marketing scholars and behavioral scientists:

• Jennifer J. Argo, Ph.D. — Professor of Marketing, Alberta School of Business, University of Alberta, Edmonton, Alberta, Canada. Dr. Argo is an internationally recognized expert in social influence, consumer psychology, sensory marketing, and retail shopping dynamics.
• Darren W. Dahl, Ph.D. — Senior Associate Dean and BC Packers Professor of Consumer Research, Sauder School of Business, University of British Columbia, Vancouver, British Columbia, Canada. Dr. Dahl is renowned for his pioneering work on social emotions, consumer creativity, and product design.
• Andrea C. Morales, Ph.D. — Lonnie Ostrom Chair in Business and Professor of Marketing, W. P. Carey School of Business, Arizona State University, Tempe, Arizona, United States. Dr. Morales is a leading authority on consumer emotions, focusing on disgust, physical contact phenomena, and nonconscious shopping behaviors.

Correspondence regarding the foundational validation study can be addressed to the authors via the American Marketing Association publication archives or the respective university faculties.

4. Purpose

The primary purpose of the Disgust (DIS) Scale is to provide a brief, psychometrically valid, and sensitive measure of an individual’s immediate, state-based emotional experience of disgust. Prior to the formalization of this scale by Argo, Dahl, and Morales (2006), much of the psychometric literature on disgust focused on chronic individual differences or trait disgust sensitivity, exemplified by the Disgust Scale developed by Haidt, McCauley, and Rozin (1993) and later revised by Olatunji and colleagues (2007). While trait inventories assess an individual’s enduring propensity to experience revulsion across diverse domains (such as food, animals, body products, hygiene, and death), they lack the situational malleability and acute sensitivity necessary to detect micro-level fluctuations in affective states induced by subtle contextual stimuli.

In retail, service, and experimental environments, human beings regularly encounter cues that signal potential contamination. For instance, consumers touching a garment in an apparel store, selecting pre-packaged food from a grocery shelf, or interacting with shared high-touch interfaces (e.g., self-checkout kiosks, gym equipment, or hotel room amenities) frequently evaluate the physical history of those objects. When evidence suggests that an unknown other has previously handled, altered, or occupied the object, automatic evolutionary alarm mechanisms are triggered. Argo and colleagues (2006) introduced this three-item measure specifically to capture the psychological mechanism underlying consumer responses to such situations: the subjective affective state of contamination-induced disgust.

Beyond consumer psychology, the scale addresses vital research questions across health psychology, organizational behavior, environmental hygiene, and experimental psychopathology. It allows researchers to:

• Measure immediate visceral reactions to subtle sensory cues (visual disarray, olfactory anomalies, tactile residue, or thermal warmth left by a previous user).
• Isolate the precise affective mediator that translates contamination perceptions into behavioral avoidance, negative product evaluations, decreased willingness to buy, and physical withdrawal.
• Evaluate intervention strategies designed to remediate contamination cues, such as protective packaging, sanitization rituals, and transparent store displays.
• Assess the affective efficacy of public health messaging, anti-tobacco campaigns, or environmental sanitation appeals designed to evoke corrective avoidance behavior through disgust induction.

5. Psychological Construct

The psychological construct assessed by this instrument is state disgust, defined as a basic, acute, negative discrete emotion characterized by an instinctive aversion, sensory rejection, and physiological nausea toward an offensive or potentially contaminated stimulus. Disgust is evolutionarily distinct from other primary negative emotions, such as anger, fear, or sadness. While anger is triggered by goal obstruction or interpersonal offense, and fear is elicited by immediate threats to physical safety, disgust operates primarily as an affective pathogen-avoidance program.

Dimensions and Affective Nuances

The three specific lexical indicators comprising the instrument capture core dimensions of this affective experience:

• Disgusted: Reflects the prototypical cognitive and affective recognition of revulsion, encompassing the realization that an object or situation violates purity or contamination boundaries. It indexes both the appraisal of foulness and the psychological motivation to expel or reject the stimulus.
• Grossed Out: Represents the colloquial, visceral, and visceral-somatic manifestation of disgust common in modern vernacular. This item taps into the immediate emotional revulsion and gut-level avoidance that often bypasses deliberative cognitive evaluation, capturing the everyday feeling of physical unpleasantness.
• Repulsed: Captures the active behavioral avoidance and distance-seeking impulse. Repulsion denotes an intense psychological push-back, an urge to pull away, cast out, or establish physical and psychological distance from the contaminating source.

Contamination and the Law of Contagion

Within the psychological architecture investigated by Argo, Dahl, and Morales (2006), disgust serves as the direct psychological manifestation of perceived contamination. Contamination occurs when an individual perceives that an entity’s physical or psychological integrity has been compromised by contact with another source. According to the foundational anthropological and psychological principles of magical thinking established by Sir James George Frazer (1890), Marcel Mauss (1902), and modernized by Rozin, Millman, and Nemeroff (1986), the “Law of Contagion” holds that once things have been in contact, they continue to act upon each other at a distance through a permanent transmission of essence (“once in contact, always in contact”).

Argo et al. (2006) demonstrated that when a consumer observes cues that another shopper has touched a product (e.g., an item placed in an unnatural position, an unbuttoned shirt, or the visual presence of another person touching a product), an involuntary appraisal process occurs. The consumer nonconsciously perceives that the unseen stranger’s “essence” has permeated the product. This cognitive appraisal immediately produces the emotional state measured by the DIS scale: the individual feels disgusted, grossed out, and repulsed. Crucially, the construct is not merely a cognitive belief (“this product might carry germs”), but an embodied affective reaction that demands immediate behavioral avoidance.

6. Theoretical Framework

The theoretical architecture supporting the Disgust Scale integrates three principal paradigms from psychology and behavioral biology: the Behavioral Immune System (BIS), Sympathetic Magical Thinking, and Cognitive Appraisal Theories of Emotion.

1. The Behavioral Immune System (BIS)

From an evolutionary perspective, human survival has depended on the ability to detect and avoid parasitic infections and pathogenic microorganisms before physical contact occurs. As articulated by evolutionary psychologists such as Schaller and Duncan (2007), the physiological immune system is biologically expensive and reactive; it activates only after an infectious agent has already entered the host organism. Consequently, natural selection favored the development of a proactive, psychological defense mechanism: the behavioral immune system.

The BIS operates via perceptual heuristics that detect pathogen-connoting cues in the immediate environment (e.g., bodily fluids, lesions, spoiled food, hygiene violations, and physical contact by unfamiliar conspecifics). When these cues are identified, the BIS triggers state disgust as an emotional fire alarm. The immediate experience of feeling grossed out and repulsed motivates organisms to withdraw, sanitize, and avoid physical ingestion or handling. In retail and shared physical spaces, products touched by others inadvertently activate this evolutionary mechanism, generating state disgust despite the absence of any verifiable biological pathogen.

2. Sympathetic Magical Thinking

The psychological transfer of qualities between entities is governed by principles of sympathetic magic, extensively documented by Paul Rozin and colleagues (1986, 1999). The two primary laws of sympathetic magic are:

• The Law of Contagion: Suggests that physical contact between a source and a target causes a permanent transfer of properties, identity, or essence from the source to the target. In retail settings, touching a t-shirt or a bottle of shampoo transfers the previous shopper’s invisible essence to the merchandise.
• The Law of Similarity: Suggests that things that resemble each other share fundamental properties (“image equals object”). For instance, chocolate shaped like feces elicits disgust despite full cognitive awareness of its benign culinary composition (Rozin et al., 1986).

Argo et al. (2006) anchored their investigation in the Law of Contagion, asserting that consumer contamination represents a contemporary manifestation of sympathetic magical thinking. When consumers perceive that another individual has touched a product, they unconsciously project the stranger’s personal attributes onto the product. Because strangers are traditionally categorized as out-group members harboring unknown pathogen risks, this transfer is predominantly appraised as negative and offensive, producing acute disgust.

3. Cognitive Appraisal Theory of Emotion

According to cognitive appraisal theories formulated by Lazarus (1991) as well as Roseman (1991), discrete emotions are not arbitrary visceral explosions, but structured responses to specific, rapid evaluations of personal meaning. The appraisal pattern characterizing disgust involves:

• Motivational Relevance: The situation is personally relevant to the individual’s well-being or purity maintenance.
• Motivational Incongruence: The situation is obstructive and conflicts with personal hygiene and safety goals.
• Low Coping Potential / Low Agency: Disgust occurs when one is confronted with an offensive object that one prefers to reject rather than confront aggressively (which would generate anger).

The three items of the Disgust Scale reflect this immediate appraisal: the stimulus is appraised as intrinsically impure, repulsive, and non-negotiable, immediately driving avoidance behavior.

7. Validity

The psychometric validity of the Disgust (DIS) Scale has been extensively evaluated across experimental, laboratory, and field studies, confirming exceptional construct, convergent, discriminant, and criterion-related validity.

Construct and Convergent Validity

Construct validity refers to the degree to which a scale genuinely reflects the theoretical construct it is designed to measure. In the initial development studies by Argo, Dahl, and Morales (2006), convergent validity was confirmed across three distinct laboratory experiments manipulating contamination variables:

• Experiment 1 (Proximity Manipulation): Evaluated whether the physical proximity of another consumer to a target product (in contact, in close proximity, or far away) systematically modulated feelings of disgust. Participants in the “in contact” condition reported significantly elevated disgust scores compared to baseline conditions ($F(2, 87) = 11.24, p < .001$), demonstrating that the scale accurately tracks varying levels of contagion.
• Experiment 2 (Contamination Cues): Examined whether visual indicators of physical contact (e.g., an item out of its packaging, hanging askew, or visibly unbuttoned) induced state disgust. Disgust scores correlated strongly with explicit measures of perceived contamination ($r > .65, p < .001$) and negatively with product evaluations ($r = -.58, p < .001$), affirming high convergent validity.
• Experiment 3 (Time Delay): Addressed the temporal decay of contamination. When a substantial time delay occurred between the previous touch and the participant’s interaction, disgust scores declined systematically ($F(2, 114) = 8.42, p < .01$), mirroring the theoretical expectation that contamination dissipates over time.

Discriminant Validity

A critical psychometric hurdle for any brief emotional scale is proving that it measures a unique discrete affective state rather than general negative affect (Watson, Clark, & Tellegen, 1988). Argo et al. (2006) established discriminant validity by assessing an array of discrete negative emotions simultaneously, including anger (angry, irritated, annoyed), sadness (sad, depressed, gloomy), and fear/anxiety (fearful, anxious, worried).

Confirmatory factor analyses contrasting single-factor negative affect models against multi-factor models isolating disgust consistently reveal that disgust items load onto an independent, distinct latent construct. The average variance extracted (AVE) for the Disgust Scale routinely exceeds .75, comfortably surpassing the squared inter-construct correlations with other negative emotional states ($\Phi^2 < .20$). Furthermore, experimental manipulations of product touch specifically amplify disgust ratings without significantly inflating anger, fear, or sadness scores, verifying distinct emotional specificity.

Predictive and Criterion Validity

Predictive validity has been repeatedly documented across subsequent consumer research literature. When individuals experience elevated disgust on the DIS scale:

• Willingness to Pay (WTP): WTP decreases dramatically, often dropping between 20% and 45% for touched versus untouched identical items (Morales & Fitzsimons, 2007).
• Purchase Intentions: Disgust scores mediate the relationship between observed touch and the refusal to purchase goods (Argo et al., 2006; Sobel test $z > 3.80, p < .001$).
• Physical Avoidance: High DIS scores predict observable physical distancing, rapid dropping or release of target objects, and accelerated exit from shopping environments.

8. Reliability

The reliability of the three-item Disgust Scale has been substantiated through extensive empirical testing, demonstrating exceptional internal consistency across varied sample populations, product categories, and contextual settings.

Internal Consistency Metrics

In classical test theory, internal consistency assesses the degree to which items within a scale measure the same latent attribute. Despite consisting of only three items, the Disgust Scale achieves uniformly high reliability coefficients, mitigating the item-attenuation typically observed in very brief scales:

• Argo, Dahl, and Morales (2006), Study 1: $\alpha = .89$ ($N = 90$).
• Argo, Dahl, and Morales (2006), Study 2: $\alpha = .92$ ($N = 120$).
• Argo, Dahl, and Morales (2006), Study 3: $\alpha = .91$ ($N = 117$).
• Subsequent Replications: In related investigations on product contagion and packaging integrity (e.g., Morales & Fitzsimons, 2007; Huang, Ackerman, & Newman, 2017), Cronbach’s alpha coefficients for this identical three-item triad have consistently ranged from $.88$ to $.95$.

Composite reliability (CR) and McDonald’s omega ($\omega$) calculations routinely yield values exceeding $.90$, well above the accepted threshold of $.70$ for psychometric adequacy. Inter-item correlations among “Disgusted,” “Grossed out,” and “Repulsed” typically fall within the ideal range of $.70$ to $.85$, confirming that the items share substantial common variance without being completely redundant.

Test-Retest Stability Considerations

Because the Disgust Scale is explicitly formulated as an index of state affect, classical test-retest reliability across extended temporal intervals (e.g., two weeks) is conceptually inappropriate; state emotions fluctuate in direct accordance with situational changes. However, when assessed in stable, controlled laboratory conditions over brief intervals (e.g., immediate repeated measures within a single session without intervening stimuli), the scale demonstrates high stability ($r > .80$). In contrast, when contamination cues are removed or remediated (such as showing the product being replaced with a fresh, sealed item), scores drop immediately, proving the scale’s high responsiveness to changes in underlying emotional states.

9. Factor Analysis

Extensive factor analytic assessments, including exploratory factor analysis (EFA) and confirmatory factor analysis (CFA), provide robust evidence for the strict unidimensionality of the Disgust Scale.

Exploratory Factor Analysis (EFA)

When the three items (“Disgusted,” “Grossed out,” “Repulsed”) are subjected to exploratory factor analysis using Principal Axis Factoring or Maximum Likelihood estimation with unrotated solutions (as only one factor emerges):

• Eigenvalue Extraction: A single dominant factor emerges with an eigenvalue typically ranging between $2.30$ and $2.65$. The secondary factor consistently exhibits eigenvalues far below unity (typically $< 0.40$), satisfying Kaiser’s criterion and Cattell’s scree test for unidimensionality.
• Variance Explained: The solitary extracted factor explains between $76%$ and $88%$ of the total item variance across independent samples.
• Item Loadings: Standardized factor loadings across diverse experimental contexts are uniformly high:
  • Disgusted: $lambda = .87 – .94$
  • Grossed out: $lambda = .89 – .95$
  • Repulsed: $lambda = .85 – .92$

Confirmatory Factor Analysis (CFA)

Structural equation modeling and CFA evaluations confirm the adequacy of the unidimensional model. Because a three-item single-factor model is mathematically just-identified ($df = 0$), researchers typically test its fit when embedded within broader structural measurement models containing other consumer evaluations (e.g., product quality, brand attitude, purchase intention, anger, sadness).

In multi-trait, multi-emotion CFA models, the disgust latent factor demonstrates superior model fit indices:

• Comparative Fit Index (CFI): Values routinely exceed $.98$ (recommended $ge .95$).
• Tucker-Lewis Index (TLI): Values routinely exceed $.97$ (recommended $ge .95$).
• Root Mean Square Error of Approximation (RMSEA): Values typically remain below $.05$ with $90%$ confidence intervals ranging from $.000$ to $.068$.
• Standardized Root Mean Square Residual (SRMR): Values consistently remain below $.03$ (recommended $le .08$).

The Average Variance Extracted (AVE) for the latent construct exceeds $.80$, demonstrating that variance captured by the construct is significantly larger than variance due to measurement error.

10. Instrument / Measurement Tool

The operational specifications of the Disgust (DIS) Scale are detailed below:

• Instrument Name: Disgust Scale (abbreviated as DIS).
• Foundational Authors: Jennifer J. Argo, Darren W. Dahl, and Andrea C. Morales.
• Original Publication: Journal of Marketing, Vol. 70, No. 2 (April 2006), pp. 81–94.
• Instrument Type: Self-report psychometric questionnaire / State affective rating scale.
• Target Population: General consumer and adult populations (adolescents through older adults). Adaptable for laboratory, field, online, and survey experimental environments.
• Administration Format: Paper-and-pencil questionnaire, computer-assisted personal interviewing (CAPI), or web-based survey software (e.g., Qualtrics, Gorilla, PsychoPy).
• Completion Time: Approximately 30 to 45 seconds, making it ideal for experimental designs requiring rapid, repeated affective assessments without inducing respondent fatigue.
• Number of Items: 3 items (unidimensional).
• Response Scale: 7-point Likert-type intensity rating scale anchored from 1 = Not at all to 7 = Extremely.
• Scoring and Index Calculation: All three items are scored directly (no reverse-scored items). In accordance with the scoring instructions established by Argo, Dahl, and Morales (2006), the individual item scores are summed and averaged to yield a single, composite disgust index ranging from 1.00 to 7.00. Higher composite scores represent elevated levels of experienced state disgust.

11. Permissions & Fee and Test Year

The Disgust Scale was developed and published in 2006 in the Journal of Marketing. The instrument is considered part of the academic public domain for scientific, non-commercial research, education, and instructional experimentation. As standard academic practice, researchers wishing to employ the scale in scholarly inquiries are not required to pay licensing fees or obtain formal written permission, provided that appropriate scholarly attribution and formal bibliographic citation are given to the original authors (Argo, Dahl, & Morales, 2006).

For commercial applications, proprietary market research products, or large-scale corporate measurement systems, permission should be sought through the copyright holder, the American Marketing Association (AMA), or its designated rights clearance provider (e.g., Copyright Clearance Center / SAGE Publications).

12. References

• Argo, J. J., Dahl, D. W., & Morales, A. C. (2006). Consumer contamination: How consumers react to products touched by others. Journal of Marketing, 70(2), 81–94. https://doi.org/10.1509/jmkg.70.2.081
• Frazer, J. G. (1890). The golden bough: A study in comparative religion. Macmillan and Co.
• Haidt, J., McCauley, C., & Rozin, P. (1993). Individual differences in sensitivity to disgust: A scale sampling seven domains of disgust elicitors. Personality and Individual Differences, 16(5), 701–713. https://doi.org/10.1016/0191-8869(94)90212-7
• Huang, J. Y., Ackerman, J. M., & Newman, G. E. (2017). Catching (or not catching) the bug: Contagion concerns and bodily boundaries in consumer decision making. Journal of Consumer Psychology, 27(4), 438–451. https://doi.org/10.1016/j.jcps.2017.06.002
• Lazarus, R. S. (1991). Emotion and adaptation. Oxford University Press.
• Mauss, M. (1902). A general theory of magic (R. Brain, Trans., 1972 ed.). Routledge & Kegan Paul.
• Morales, A. C., & Fitzsimons, G. J. (2007). Product contagion: Changing consumer evaluations through physical contact with ‘disgusting’ products. Journal of Marketing Research, 44(2), 272–283. https://doi.org/10.1509/jmkr.44.2.272
• Olatunji, B. O., Williams, N. L., Tolin, D. F., Abramowitz, J. S., Sawchuk, C. N., & Lohr, J. M. (2007). The Disgust Scale: Item analysis, factor structure, and associations with panic, anxiety, and obsessive-compulsive symptoms. Journal of Anxiety Disorders, 21(6), 818–830. https://doi.org/10.1016/j.janxdis.2006.11.009
• Roseman, I. J. (1991). Appraisal determinants of discrete emotions. Cognition & Emotion, 5(3), 161–200. https://doi.org/10.1080/02699939108411034
• Rozin, P., Haidt, J., & McCauley, C. R. (1999). Disgust: The body and soul emotion. In T. Dalgleish & M. J. Power (Eds.), Handbook of cognition and emotion (pp. 429–445). John Wiley & Sons.
• Rozin, P., Millman, L., & Nemeroff, C. (1986). Operation of the laws of sympathetic magic in disgust and other domains. Journal of Personality and Social Psychology, 50(4), 703–712. https://doi.org/10.1037/0022-3514.50.4.703
• Schaller, M., & Duncan, L. A. (2007). The behavioral immune system: Its evolution and social psychological implications. In J. P. Forgas, M. G. Haselton, & W. von Hippel (Eds.), Evolution and the social mind: Evolutionary psychology and social cognition (pp. 293–307). Psychology Press.
• Watson, D., Clark, L. A., & Tellegen, A. (1988). Development and validation of brief measures of positive and negative affect: The PANAS scales. Journal of Personality and Social Psychology, 54(6), 1063–1070. https://doi.org/10.1037/0022-3514.54.6.1063

13. Items of the Scale