Moral Foundations Questionnaire (MFQ-30)

1. Abstract

The Moral Foundations Questionnaire (MFQ-30) is a 32-item psychometric instrument (comprising 30 scored target items and 2 attention-check items) developed by Jesse Graham, Brian A. Nosek, Jonathan Haidt, Ravi Iyer, Spassena Koleva, and Peter H. Ditto (2011). The instrument is designed to operationalize and measure individual variations in moral reasoning and intuitive ethics across five distinct psychological domains postulated by Moral Foundations Theory: Harm/Care, Fairness/Reciprocity, Ingroup/Loyalty, Authority/Respect, and Purity/Sanctity. The instrument is structured into two complementary sections: Part 1 assesses moral relevance across 16 items utilizing a 6-point rating scale (ranging from 0 = not at all relevant to 5 = extremely relevant), and Part 2 assesses explicit moral judgments and behavioral endorsements across 16 declarative statements using a 6-point agreement scale (ranging from 0 = strongly disagree to 5 = strongly agree).

Psychometric evaluations across large, internationally diverse populations demonstrate adequate internal consistency for research purposes, with subscale Cronbach’s alpha values typically ranging from .65 to .84, and confirmatory factor analyses supporting a correlated five-factor structure over alternative unidimensional or two-factor models. Substantial empirical research indicates that the MFQ-30 possesses robust construct, convergent, and discriminant validity. Critically, the instrument reveals systematic variations across ideological spectra: self-identified political liberals consistently prioritize the “individualizing” foundations (Harm/Care and Fairness/Reciprocity), whereas self-identified political conservatives demonstrate a broader, more balanced reliance across both individualizing foundations and “binding” foundations (Ingroup/Loyalty, Authority/Respect, and Purity/Sanctity). The MFQ-30 has established widespread utility across social psychology, political science, behavioral economics, evolutionary anthropology, and bioethics.

2. Keywords

Moral Foundations Questionnaire, MFQ-30, Moral Foundations Theory, moral psychology, intuitive ethics, Harm/Care, Fairness/Reciprocity, Ingroup/Loyalty, Authority/Respect, Purity/Sanctity

3. Authors

The Moral Foundations Questionnaire (MFQ-30) was developed by an interdisciplinary research team led by social and political psychologists:

• Jesse Graham, Ph.D. — Department of Psychology, University of Southern California (currently Eccles School of Business, University of Utah). Graham’s research focuses on the psychological architecture of ideology, values, and cross-cultural morality.
• Brian A. Nosek, Ph.D. — Department of Psychology, University of Virginia; Executive Director of the Center for Open Science. Nosek specializes in implicit social cognition, ideological division, and psychometric reproducibility.
• Jonathan Haidt, Ph.D. — Department of Psychology, University of Virginia (currently Stern School of Business, New York University). Haidt is a primary architect of Moral Foundations Theory and the author of seminal works on the social intuitionist model of moral judgment.
• Ravi Iyer, Ph.D. — Department of Psychology, University of Southern California; currently Managing Director of the Psychology of Technology Institute. Iyer focuses on big data, computational social science, and political psychology.
• Spassena Koleva, Ph.D. — Department of Psychology, University of California, Irvine. Koleva’s scholarship investigates moral intuitionism, political attitudes, and public policy decisions.
• Peter H. Ditto, Ph.D. — Department of Psychological Science, University of California, Irvine. Ditto specializes in motivated moral reasoning, political polarization, and cognitive bias.

4. Purpose

The fundamental purpose of the Moral Foundations Questionnaire (MFQ-30) is to provide a standardized, psychometrically validated tool to map the multi-dimensional domain of human morality beyond the traditional, Western-centric conceptualizations of justice and harm. Historically, moral psychology was heavily dominated by developmental rationalist paradigms, notably those advanced by Jean Piaget and Lawrence Kohlberg, and subsequently revised by Carol Gilligan. These historic paradigms defined morality primarily in terms of cognitive development centered on interpersonal justice, reciprocal fairness, rights, and the prevention of harm. Consequently, psychological operationalizations often classified moral considerations involving community, group loyalty, hierarchy, divine order, or bodily purity as conventional, pre-conventional, or superstitious non-moral heuristics.

The MFQ-30 was constructed to empirically validate a broader theoretical model, addressing what Richard Shweder characterized as the “big three” ethics of autonomy, community, and divinity. By standardizing items that probe moral relevance alongside moral judgments, the authors sought to provide an empirical instrument that captures the intuitive pluralism of human ethical decision-making. Specifically, the scale assesses the differential weights individuals assign to five distinct psychological systems that have evolved to address adaptive social challenges: caring for vulnerable conspecifics, maintaining fair alliances, defending collective coalitions, navigating dominance and hierarchical structures, and avoiding biological and moral pathogens.

In applied research, the MFQ-30 serves as an essential framework for examining ideological disagreements, cultural divergence, environmental decision-making, and public health attitudes. In clinical and social psychology, the instrument facilitates investigations into interpersonal conflict, moral injury, empathic deficits, and the emotional precursors of prejudice. By elucidating how individuals prioritize distinct moral intuitions, the instrument enables scholars and practitioners to understand how opposing ideological cohorts can arrive at mutually incomprehensible, yet internally coherent, ethical conclusions.

5. Psychological Construct

The psychological construct evaluated by the MFQ-30 is multi-faceted, operationalized through five primary latent constructs representing foundational modules of moral cognition:

Harm/Care

The Harm/Care foundation reflects an evolutionary sensitivity to signs of physical and emotional suffering in others, particularly the vulnerable, offspring, and defenseless individuals. Cognitively rooted in attachment theory, maternal instincts, and mammalian kin care, this dimension prompts emotional reactions such as compassion, empathy, and sadness when witnessing cruelty. Individuals scoring high on this foundation perceive acts that induce pain or distress as profoundly immoral and prioritize protective, altruistic behaviors.

Fairness/Reciprocity

The Fairness/Reciprocity foundation pertains to evolutionary adaptations governing reciprocal altruism, resource exchange, cooperation, and the mitigation of cheating or free-riding. This psychological construct underpins concerns regarding distributive justice, proportional desert, equity, procedural fairness, and fundamental human rights. Strong adherence to this dimension manifests in moral outrage toward perceived exploitation, systemic bias, corruption, or arbitrary disadvantage.

Ingroup/Loyalty

The Ingroup/Loyalty foundation originates from the evolutionary demands of living in competing coalitions and cooperative social tribes. It encompasses virtues such as group cohesion, self-sacrifice for the collective good, patriotism, and trustworthiness among allies. Psychologically, this construct triggers positive emotions of solidarity and pride alongside intense moral censure directed at betrayal, treason, apostasy, or individuals perceived as prioritizing self-interest over group survival.

Authority/Respect

The Authority/Respect foundation is grounded in hierarchical social organization, dominance structures, and voluntary deference to legitimate leadership, institutions, and traditions. This construct assesses an individual’s psychological investment in social order, institutional stability, and duty. Violations of this foundation involve defiance of legitimate authority, disobedience, insubordination, or behaviors that generate institutional chaos and erosion of social norms.

Purity/Sanctity

The Purity/Sanctity foundation emerged as part of the biological behavioral immune system, designed to protect ancestral hominids from pathogens, toxins, and parasitic infections. Over evolutionary time, this avoidance mechanism expanded into psychological and spiritual domains. The construct measures moral concerns regarding bodily contamination, sexual propriety, the preservation of the sacred, and the visceral emotion of disgust. Transgressions on this subscale are judged as intrinsically degraded, unnatural, profane, or defiling, independent of whether direct interpersonal harm occurred.

6. Theoretical Framework

The conceptual foundation of the MFQ-30 rests upon Moral Foundations Theory (MFT), integrated with Haidt’s Social Intuitionist Model of moral judgment. According to the social intuitionist framework, moral evaluation is primarily driven by rapid, automatic, affect-laden intuitive processes (System 1 cognition), while deliberative moral reasoning (System 2 cognition) functions primarily as a post-hoc rationalization construct designed to justify pre-existing intuitions to self and social peers.

MFT proposes that human moral psychology represents an evolutionary “preparedness”—an innate, culturally variable toolkit of psychological mechanisms shaped by natural selection to address specific recurring adaptive challenges in ancestral hominid environments. The theory identifies five primary functional modules:

• Adaptive Challenge: Caring for vulnerable offspring → Psychological Foundation: Harm/Care.
• Adaptive Challenge: Benefiting from cooperation without being exploited → Psychological Foundation: Fairness/Reciprocity.
• Adaptive Challenge: Forming cohesive coalitions to compete with rival groups → Psychological Foundation: Ingroup/Loyalty.
• Adaptive Challenge: Maintaining social stability and beneficial hierarchies within groups → Psychological Foundation: Authority/Respect.
• Adaptive Challenge: Avoiding microbes, parasites, and contagion → Psychological Foundation: Purity/Sanctity.

MFT emphasizes cultural and ideological plasticity: although these foundations represent universal cognitive modules, cultures and subcultures construct divergent moral matrices by selectively emphasizing, reinterpreting, or suppressing specific foundations. Modern political liberalism is typically characterized as an individualizing moral system, relying predominantly on the Care and Fairness modules to protect the individual from harm and exploitation. Conversely, social conservatism functions as a comprehensive or binding moral matrix, actively engaging all five foundations to support both the individual and the supra-individual social structures of family, nation, and religious order.

7. Validity

Extensive psychometric investigations substantiate the construct, convergent, discriminant, and criterion-related validity of the MFQ-30 across diverse international samples (Graham et al., 2011; Davies et al., 2014; Harper & Rhodes, 2021).

Construct and Factorial Validity

Confirmatory factor analyses (CFA) have repeatedly established that the hypothesized five-factor model demonstrates a statistically superior fit compared to single-factor models (representing a generalized moral sensitivity construct), two-factor models (collapsing items into individualizing and binding dimensions), or three-factor models based on Shweder’s ethics of Autonomy, Community, and Divinity. Goodness-of-fit parameters across representative samples meet conventional psychometric criteria, with Root Mean Square Error of Approximation (RMSEA) values typically below .06 and Comparative Fit Indices (CFI) exceeding .90 when accounting for method effects between Part 1 and Part 2.

Convergent and Discriminant Validity

The subscales demonstrate expected convergence with established psychometric indices of personality, social attitudes, and cognitive styles:

• Harm/Care correlates positively with trait empathy, as measured by Davis’s Interpersonal Reactivity Index (IRI Empathic Concern: r = .55 to .63), and with Agreeableness from the Big Five inventory.
• Fairness/Reciprocity demonstrates strong positive associations with procedural justice orientations, social egalitarianism, and beliefs in human rights, while displaying negative correlations with Social Dominance Orientation (SDO: r = -.35 to -.48).
• Ingroup/Loyalty correlates significantly with collective self-esteem, national identification, and outgroup derogation measures, distinct from generalized gregariousness.
• Authority/Respect correlates robustly with Altemeyer’s Right-Wing Authoritarianism (RWA: r = .52 to .68) and low Openness to Experience.
• Purity/Sanctity exhibits high convergent validity with the Disgust Scale-Revised (DS-R: r = .45 to .58) and intrinsic religious motivation, while maintaining distinctiveness from generalized neuroticism or obsessive-compulsive symptomatology.

Predictive and Criterion Validity

The MFQ-30 consistently predicts real-world political affiliations, charitable donation decisions, and attitudes toward contentious social issues. In studies spanning dozens of nations, Graham et al. (2011) showed that the five foundation scores systematically predict ideological self-placement along the liberal-conservative spectrum beyond the variance explained by standard demographic variables and Big Five personality traits.

8. Reliability

The internal consistency and temporal stability of the MFQ-30 have been verified across multiple psychometric investigations:

• Harm/Care: Cronbach’s alpha values typically range between .69 and .75; test-retest reliability across a four-to-six-week interval yields stability coefficients of r = .71 to .82.
• Fairness/Reciprocity: Demonstrates internal consistency ranging from .65 to .73, with test-retest coefficients reported between r = .68 and .79.
• Ingroup/Loyalty: Internal consistency estimates typically fall between .71 and .76, with longitudinal test-retest stability coefficients exceeding .75.
• Authority/Respect: Internal consistency alpha values consistently range from .74 to .80, reflecting solid scale homogeneity; test-retest reliability is documented at r = .76 to .83.
• Purity/Sanctity: Exhibits robust internal consistency across populations, with Cronbach’s alpha values ranging from .78 to .84 and test-retest correlations of r = .80 to .86.

Composite reliability coefficients (McDonald’s omega) across the subscales similarly reflect satisfactory internal consistency. While individual subscales contain only six items each (three moral relevance judgments and three declarative endorsements), the instrument exhibits balanced psychometric efficiency without excessive respondent burden.

9. Factor Analysis

The dimensionality of the MFQ-30 was established by Graham et al. (2011) using both Exploratory Factor Analysis (EFA) and Confirmatory Factor Analysis (CFA). During exploratory extraction, a clear five-factor solution emerged corresponding to the five theoretical foundations. CFA procedures were subsequently conducted to compare competing theoretical architectures:

• One-Factor Model: Assumed all items load onto a single general “morality” factor. This model exhibited poor fit indices (CFI < .65, RMSEA > .10), confirming that moral cognition is fundamentally multidimensional.
• Two-Factor Model: Grouped items into “Individualizing” (Care and Fairness) and “Binding” (Loyalty, Authority, and Sanctity) clusters. Fit indices improved significantly but remained suboptimal (CFI ≈ .80, RMSEA ≈ .08).
• Three-Factor Model: Aligned items with Shweder’s ethics of Autonomy, Community, and Divinity. This demonstrated moderate fit but failed to capture the distinct psychometric divergence between Care and Fairness, as well as between Loyalty and Authority.
• Five-Factor Model (Theory-Driven): Provided the optimal fit across datasets (CFI > .90, TLI > .88, RMSEA < .055, SRMR < .050), particularly when a method factor was included to account for the shared variance arising from the two distinct response formats (Part 1 moral relevance vs. Part 2 moral judgments).

Standardized item factor loadings across the five latent constructs predominantly range between .45 and .78. Cross-loadings between foundations are generally modest, although moderate inter-factor correlations exist among the three binding foundations (r values typically between .40 and .65) and between the two individualizing foundations (r values typically between .50 and .60).

10. Instrument / Measurement Tool

The Moral Foundations Questionnaire (MFQ-30) is a 32-item self-report instrument organized into two methodologically distinct sections designed to reduce single-format bias:

• Test Type: Multidimensional self-report rating scale.
• Item Count: 32 total items (30 scored target items, 2 attention/catch check items).
• Subscales (5 Foundations, 6 items each):
  • Harm/Care: Items 1, 7, 12, 17, 23, 28
  • Fairness/Reciprocity: Items 2, 8, 13, 18, 24, 29
  • Ingroup/Loyalty: Items 3, 9, 14, 19, 25, 30
  • Authority/Respect: Items 4, 10, 15, 20, 26, 31
  • Purity/Sanctity: Items 5, 11, 16, 21, 27, 32
• Attention Checks (Unscored): Item 6 (“Whether or not someone was good at math”) and Item 22 (“It is better to do good than to do bad”). Respondents scoring > 0 on Item 6 or < 5 on Item 22 may be flagged or excluded for inattentive responding.
• Response Formats:
  • Part 1 (Items 1-16): 6-point scale from 0 = not at all relevant (This has nothing to do with my judgments of right and wrong) to 5 = extremely relevant (This is one of the most important factors when I judge right and wrong).
  • Part 2 (Items 17-32): 6-point scale from 0 = strongly disagree to 5 = strongly agree.
• Scoring Procedure: Subscale scores are derived by calculating the unweighted arithmetic mean of the six corresponding items for each foundation, producing five composite foundation scores ranging from 0 to 5. Higher scores reflect greater reliance on that moral foundation in ethical evaluations. No items are reverse-scored.

11. Permissions & Fee and Test Year

The Moral Foundations Questionnaire (MFQ-30) was published in 2011 by Jesse Graham and colleagues. The instrument is considered an open-access psychometric measure available free of charge for non-commercial academic, clinical, and scientific research. The authors make the questionnaire, scoring keys, and international translations accessible via their research repository at MoralFoundations.org.

Researchers utilizing the scale are requested to cite the foundational validation paper: Graham, Nosek, Haidt, Iyer, Koleva, and Ditto (2011). Commercial applications, organizational consulting deployments, or proprietary survey distributions may require formal permission or licensing agreements from the copyright holders and the American Psychological Association.

12. References

• Davies, C. L., Sibley, C. G., & Liu, J. H. (2014). Confirmatory factor analysis of the Moral Foundations Questionnaire: Replicating the 5-factor model in a New Zealand national sample. Social Psychology, 45(4), 313–325. https://doi.org/10.1027/1864-9335/a000176
• Graham, J., Haidt, J., & Nosek, B. A. (2009). Liberals and conservatives rely on different sets of moral foundations. Journal of Personality and Social Psychology, 96(5), 1029–1046. https://doi.org/10.1037/a0015141
• Graham, J., Nosek, B. A., Haidt, J., Iyer, R., Koleva, S., & Ditto, P. H. (2011). Mapping the moral domain. Journal of Personality and Social Psychology, 101(2), 366–385. https://doi.org/10.1037/a0021847
• Haidt, J. (2001). The emotional dog and its rational tail: A social intuitionist approach to moral judgment. Psychological Review, 108(4), 814–834. https://doi.org/10.1037/0033-295X.108.4.814
• Haidt, J. (2012). The Righteous Mind: Why Good People Are Divided by Politics and Religion. Pantheon Books.
• Harper, C. A., & Rhodes, D. (2021). Reanalysing the factor structure of the Moral Foundations Questionnaire. British Journal of Social Psychology, 60(4), 1303–1329. https://doi.org/10.1111/bjso.12452
• Kohlberg, L. (1969). Stage and sequence: The cognitive-developmental approach to socialization. In D. A. Goslin (Ed.), Handbook of Socialization Theory and Research (pp. 347–480). Rand McNally.
• Shweder, R. A., Much, N. C., Mahapatra, M., & Park, L. (1997). The “big three” of morality (autonomy, community, divinity) and the “big three” explanations of suffering. In A. M. Brandt & P. Rozin (Eds.), Morality and Health (pp. 119–169). Routledge.

13. Items of the Scale