1. Abstract
The Belief in Personal Free Will scale represents an essential psychometric instrument within social, personality, and consumer psychology designed to quantify the degree to which an individual endorses the premise that human agents possess genuine volition, self-determination, and autonomous moral and behavioral responsibility. Originally formalized as a core dimension within the Free Will and Determinism framework by Delroy L. Paulhus and Kevin M. Carey (e.g., the FAD-Plus inventory), and subsequently adapted and extended across organizational, sociopolitical, and marketing inquiries—most notably by Fernandes, Ordabayeva, Han, Jung, and Mittal (2022)—the scale isolates lay beliefs in personal agency from fatalistic determinism, biological determinism, and random chance.
Structurally, the construct is typically operationalized via a unidimensional subscale consisting of five to seven declarative statements measured on a 5-point Likert scale, ranging from 1 (Strongly Disagree) to 5 (Strongly Agree). Extensive psychometric validation across diverse adult and student cohorts indicates robust internal consistency reliability, with Cronbach’s alpha (α) coefficients routinely falling between .70 and .84, alongside strong test-retest stability (r > .75 across four-week intervals). Confirmatory factor analyses (CFA) demonstrate excellent structural integrity, with the free will factor emerging distinct from orthogonal or weakly correlated dimensions of scientific determinism and fatalism (e.g., Comparative Fit Index [CFI] > .93, Root Mean Square Error of Approximation [RMSEA] < .06). Convergent and predictive validity studies reveal that higher scores on the Belief in Personal Free Will scale systematically predict increased internal locus of control, heightened attributions of personal responsibility, punitive attitudes toward moral transgression, diminished deceptive behaviors, and unique patterns of consumer satisfaction influenced by ideological and political identity.
2. Keywords
Belief in personal free will, agency, determinism, FAD-Plus, personal responsibility, moral culpability, political identity, consumer satisfaction, self-determination, internal locus of control, psychometrics, lay beliefs.
3. Authors
The foundational psychometric conceptualization and measurement of lay beliefs in free will were established by Delroy L. Paulhus, Ph.D., Professor Emeritus of Psychology at the University of British Columbia (Vancouver, Canada), and Kevin M. Carey, Ph.D., researcher in personality and social psychology. In contemporary applied research, the operationalization and contextual adaptation of the Belief in Personal Free Will subscale within economic, managerial, and consumption frameworks was led by:
- Daniel Fernandes, Ph.D. — Associate Professor of Marketing, Católica Lisbon School of Business and Economics, Universidade Católica Portuguesa, Lisbon, Portugal. Contact: [email protected].
- Nailya Ordabayeva, Ph.D. — Associate Professor of Business Administration (Marketing), Tuck School of Business, Dartmouth College, Hanover, NH, USA.
- Kyuhong Han, Ph.D. — Assistant Professor of Marketing, Jones Graduate School of Business, Rice University, Houston, TX, USA.
- Jihye Jung, Ph.D. — Assistant Professor of Marketing, University of Texas at San Antonio, San Antonio, TX, USA.
- Vikas Mittal, Ph.D. — J. Hugh Liedtke Professor of Marketing, Jones Graduate School of Business, Rice University, Houston, TX, USA.
4. Purpose
The primary purpose of the Belief in Personal Free Will scale is to provide a standardized, psychometrically rigorous methodology for assessing individual differences in lay beliefs regarding human volition and personal accountability. For decades, philosophers debated whether free will is compatible with physical determinism (compatibilism) or mutually exclusive (incompatibilism). However, experimental psychologists and behavioral economists shifted the inquiry from metaphysical veracity to psychological functionalism: irrespective of whether objective metaphysical free will exists, what are the behavioral, cognitive, and affective consequences of believing that one has free will?
In empirical research, the scale serves as a diagnostic and experimental metric. In clinical and counseling settings, assessing an individual’s sense of personal agency and volition informs therapeutic interventions, particularly those rooted in Cognitive Behavioral Therapy (CBT), Acceptance and Commitment Therapy (ACT), and existential therapy. When individuals score extraordinarily low on free will belief, they frequently exhibit learned helplessness, external attribution styles, reduced self-efficacy, and vulnerability to depressive symptomatology. Conversely, moderately high belief in free will fosters personal agency, proactive coping mechanisms, and motivation to alter dysfunctional behavioral patterns.
In social and organizational psychology, the tool illuminates how individuals evaluate the culpability and actions of others. People holding robust beliefs in personal free will are more inclined to assign moral praise and blame, endorse retributive justice systems, demand personal accountability from peers and leaders, and exhibit lower tolerance for ethical transgressions. Within management and consumer research—as operationalized by Fernandes et al. (2022)—the scale provides critical insight into the cognitive mechanisms linking political worldview with consumer judgment. Fernandes and colleagues demonstrated that political conservatives generally report significantly higher belief in personal free will than political liberals. This elevated belief in personal free will directly amplifies the attribution that outcomes—such as service failure or product performance—are governed by individual choice and diligence rather than systemic or external constraints. Consequently, understanding baseline scores on this scale enables researchers to model consumer satisfaction trajectories, blame attributions, and service evaluation dynamics across diverse populations.
5. Psychological Construct
The psychological construct captured by the Belief in Personal Free Will scale represents a fundamental lay theory or implicit worldview concerning human agency. Rather than reflecting an objective philosophical reality, it gauges a subjective epistemic orientation comprised of several interconnected dimensions:
1. Autonomous Volition and Self-Initiation
This dimension reflects the conviction that individuals possess genuine internal agency, meaning their conscious choices are the primary causal drivers of their physical actions. Under this view, human decision-making is not merely an epiphenomenon of neurochemical reactions, biological hardwiring, or social indoctrination. Individuals high in autonomous volition believe that when faced with alternative pathways (e.g., Pathway A vs. Pathway B), they possess the sovereign capacity to select either path unimpeded by deterministic constraints.
2. Moral and Behavioral Responsibility
A necessary corollary to volition is the acceptance of moral accountability. If an agent freely selects an action, they must also be the sole proprietor of its consequences. This facet operationalizes the cognitive link between choice and retribution or reward: individuals with strong free will beliefs inherently attribute success to personal effort and failure to individual shortcomings. Consequently, this dimension underpins lay theories of justice, deservingness, and the rejection of victimhood narratives.
3. Rejection of Fatalism and External Constraint
Although differentiated psychometrically into distinct factors in comprehensive inventories (such as the FAD-Plus), the free will construct functions partially in psychological opposition to fatalism and helplessness. Believing in personal free will necessitates the cognitive assumption that one’s future trajectory is fluid and malleable, shaped primarily by individual exertion rather than preordained by destiny, supernatural forces, or unyielding socioeconomic structures.
4. Resistance to Biological and Environmental Determinism
An individual with a heightened belief in free will discounts the perspective that human conduct is fully constrained by evolutionary history, genetics, neurobiology, or early environmental conditioning. While they may acknowledge environmental influences as contextual variables, they maintain that the human conscious self retains ultimate veto power over biological impulses and environmental stimuli, reflecting the classic psychological concept of intentional self-regulation.
6. Theoretical Framework
The conceptual framework underpinning the Belief in Personal Free Will scale draws from several foundational theoretical traditions spanning philosophy, personality theory, and social cognition.
1. Lay Theories and Implicit Belief Systems
Rooted in the social-cognitive paradigm of Carol Dweck and colleagues, lay theories are intuitive assumptions that non-experts construct to interpret, predict, and navigate social reality. Just as individuals hold fixed or growth mindsets regarding intelligence, they hold foundational assumptions about human volition. In this framework, lay beliefs in free will operate as a primary perceptual filter through which people decode human actions, interpret causality, and generate attributions for personal and collective outcomes.
2. Attribution Theory
Drawing directly from Fritz Heider’s attribution theory and Bernard Weiner’s locus of causality framework, the belief in free will governs whether an observer generates internal (dispositional) or external (situational) attributions. When belief in free will is elevated, the actor’s actions are perceived as internally caused, intentional, and controllable. This provides the theoretical backbone for Fernandes et al. (2022), wherein political conservatives—who systematically exhibit higher baseline levels of free will belief—attribute consumption failures or successes directly to personal decisions rather than structural or firm-level circumstances.
3. Bandura’s Social Cognitive Theory and Human Agency
Albert Bandura conceptualized human agency as the human capability to exert influence over one’s own functioning and the course of events through proactive action. Bandura distinguished between autonomous agency, proxy agency, and collective agency. The Belief in Personal Free Will scale operationalizes autonomous agency at the ideological level: it measures the cognitive endorsement of self-reactiveness, intentionality, and forethought as the defining mechanics of everyday behavior.
4. Terror Management and Existential Frameworks
Existential psychology posits that free will is intrinsically tied to human existential anxiety (e.g., Jean-Paul Sartre’s concept of being “condemned to be free”). Conversely, Terror Management Theory (TMT) suggests that believing in free will is a culturally cultivated psychological buffer. By viewing oneself as an active, volitional agent rather than a passive biological organism at the mercy of physical death and deterministic decay, an individual preserves self-esteem, psychological coherence, and meaningfulness.
7. Validity
The construct, convergent, discriminant, and predictive validity of the Belief in Personal Free Will scale has been thoroughly documented across empirical psychology literature.
Construct and Factorial Validity
Construct validity has been verified via structural equation modeling and exploratory and confirmatory factor analyses across student, community, and cross-cultural samples. In the foundational validation studies of the FAD-Plus by Paulhus and Carey (2011), the Free Will subscale loaded distinctly from the other three underlying dimensions of the inventory: Scientific Determinism (biological and environmental determinism), Fatalistic Determinism (fate, destiny), and Unpredictability (randomness, chance). Factor intercorrelations showed that Free Will had negligible to modest correlations with Fatalistic Determinism (r = -.12 to .05) and Scientific Determinism (r = -.16 to -.04), proving that laypersons view free will not as the mere mathematical inverse of determinism, but as a cognitively distinct conceptual entity (compatibilist lay architecture).
Convergent Validity
The scale demonstrates robust convergent validity against conceptually aligned psychological constructs:
- Internal Locus of Control: Strongly positively correlated (r = .38 to .52) with Rotter’s Internal Locus of Control scale and Levenson’s Internality scale.
- Conscientiousness: Moderately correlated with Big Five Conscientiousness (r = .24 to .35), demonstrating that individuals who view themselves as free agents exhibit higher self-discipline, orderliness, and duty.
- Self-Efficacy: Positively associated with generalized self-efficacy (r = .30 to .45), reinforcing the link between perceived volition and confidence in behavioral execution.
- Moral Responsibility & Retributive Attitudes: Positively correlated with retributive justice endorsement and support for punitive criminal sentences (r = .28 to .42).
Discriminant Validity
Discriminant validity is substantiated by weak or non-significant correlations with unrelated traits. The scale exhibits negligible associations with cognitive intelligence (r = -.04 to .06), social desirability response bias (r = .05 to .12), and sensory processing traits. Furthermore, it cleanly dissociates from external locus of control and belief in powerful others (r = -.32 to -.48).
Predictive and Criterion Validity
The scale possesses remarkable predictive utility across behavioral and experimental paradigms:
- Ethical and Cheating Behavior: Experimental manipulations attenuating belief in free will (e.g., reading deterministic literature) induced higher rates of cheating and antisocial behavior (Vohs & Schooler, 2008). Baseline scale scores predict academic integrity, workplace honesty, and pro-social organizational citizenship.
- Prosociality: Baumister, Masicampo, and DeWall (2009) demonstrated that higher baseline scores on the scale predict voluntary willingness to assist others and offer financial and emotional aid.
- Consumer Satisfaction: In Fernandes et al. (2022), the Free Will subscale successfully mediated the relationship between political conservatism and customer satisfaction across thousands of consumer evaluations, establishing that heightened free will beliefs prompt individuals to take personal ownership of consumption experiences, systematically buffering against external dissatisfaction.
8. Reliability
The reliability of the Belief in Personal Free Will scale has been examined through multiple psychometric indicators, demonstrating stability and internal coherence across diverse demographics.
Internal Consistency Reliability
The subscale routinely produces robust internal consistency coefficients:
- In the original psychometric construction of the FAD-Plus by Paulhus and Carey (2011), the Free Will subscale yielded a Cronbach’s alpha (α) of .70 in the initial derivation sample (N = 257) and α = .72 in a large replication sample (N = 442).
- In subsequent applied and organizational studies, reported coefficients consistently range between α = .74 and .84. For instance, across consumer research studies conducted by Fernandes et al. (2022), the subscale demonstrated satisfactory to high internal consistency (alphas frequently hovering between .76 and .82 across varying sample waves).
- McDonald’s omega (ωt), a superior metric under violations of tau-equivalence, similarly falls between .75 and .83, confirming that the scale items share a strong, homogeneous core of common variance.
Test-Retest Reliability and Temporal Stability
Temporal stability assessments over longitudinal windows confirm that the scale captures an enduring lay disposition rather than a transient emotional state. Over a 4-week test-retest interval, the Pearson correlation coefficient was recorded at r = .78 (p < .001). Over a 6-month interval, stability remained high at r = .69, indicating that while situational primes can temporarily manipulate salient aspects of free will beliefs, individuals possess an underlying baseline worldview that is remarkably durable over time.
9. Factor Analysis
The structural dimensionality of the Belief in Personal Free Will scale has been extensively scrutinized using both Exploratory Factor Analysis (EFA) and Confirmatory Factor Analysis (CFA) within multivariate personality inventories.
Exploratory Factor Analysis (EFA)
During initial instrument development, EFA conducted using principal axis factoring with promax and varimax rotations on broad pools of items repeatedly extracted four primary eigenvalues exceeding 1.0 (Kaiser criterion), accompanied by a clear elbow in Cattell’s scree plot. The Free Will items consistently loaded onto a distinct factor with primary factor loadings exceeding .50, showing minimal cross-loadings (< .20) on alternative factors such as Scientific Determinism, Fatalistic Determinism, and Unpredictability. Typical standardized item factor loadings on the Free Will dimension range from .48 to .76.
Confirmatory Factor Analysis (CFA)
CFA has evaluated competing structural models of lay determinism and agency:
- Single-Factor Model: Modeling free will and determinism as polar opposites on a single continuum produces unacceptable fit indices (χ2/df > 6.5, CFI < .65, RMSEA > .12), decisively refuting the unidimensional bipolar hypothesis.
- Orthogonal / Four-Factor Model: The four-factor structure (Free Will, Scientific Determinism, Fatalistic Determinism, Unpredictability) shows excellent goodness-of-fit indices: χ2(318) = 542.12, p < .001; CFI = .93; Tucker-Lewis Index (TLI) = .92; Standardized Root Mean Square Residual (SRMR) = .054; and RMSEA = .048 (90% CI [.042, .054]).
When evaluated strictly as an isolated subscale (the single-factor subscale of Belief in Personal Free Will), unidimensional CFA models demonstrate strong fit parameters (χ2/df < 2.5, CFI > .96, RMSEA < .05), confirming that the items function coherently as a single latent indicator of personal volitional agency.
10. Instrument / Measurement Tool
The operational features, administration rules, and scoring procedures for the Belief in Personal Free Will instrument are structured as follows:
- Instrument Type: Self-report psychometric rating scale / paper-and-pencil or computerized questionnaire.
- Format: Declarative statements reflecting lay perceptions of personal agency, self-control, and moral responsibility.
- Number of Items: 5 to 7 items (when administered as the standalone Free Will subscale of the FAD-Plus).
- Response Scale: 5-point Likert scale formatted as:
- 1 = Strongly Disagree
- 2 = Disagree
- 3 = Neither Agree nor Disagree (Neutral)
- 4 = Agree
- 5 = Strongly Agree
- Administration Time: Approximately 2 to 3 minutes for the isolated subscale; 8 to 10 minutes when administered within the full 27-item FAD-Plus.
- Target Population: Adolescents and adults (typically age 16 and older) across general, educational, organizational, and clinical cohorts.
- Scoring Procedures:
- Items are scored positively from 1 to 5.
- If using the standard canonical subscale, items are unidirectional and directly keyed toward free will (no reverse-keyed items are included in the primary 5-item version to prevent multidimensional method artifacts).
- An individual’s composite score is computed either as the Mean Score (sum of item responses divided by the total number of items, yielding a continuous metric from 1.0 to 5.0) or as a Summed Score (ranging from 5 to 25 for a 5-item inventory).
- Higher scores represent an entrenched, robust belief in personal free will, individual self-determination, and personal accountability.
11. Permissions & Fee and Test Year
The foundational Free Will and Determinism framework was formalized by Delroy L. Paulhus and Kevin M. Carey through empirical studies spanning 1994 to 2011, culminated by the peer-reviewed release of the FAD-Plus in 2011. Its adaptation to marketing, consumer psychology, and political ideology frameworks was established by Daniel Fernandes and colleagues in 2022.
Permissions and Licensing: The Free Will subscale of the FAD-Plus is widely regarded as an open-access psychometric instrument for academic, scientific, and educational research purposes. The original developers (Paulhus & Carey, 2011) published the scale items in the public peer-reviewed literature to foster interdisciplinary research across philosophy, personality psychology, legal studies, and behavioral economics. No commercial licensing fees or royalty payments are mandated for non-commercial academic research. However, formal citation of Paulhus and Carey (2011), as well as the relevant contextual application (e.g., Fernandes et al., 2022 for consumer/political investigations), is required in all empirical reports and publications. Commercial applications, corporate consulting assessments, or integration into proprietary diagnostic platforms typically require prior written authorization from the primary copyright holders or authors.
12. References
- Baumeister, R. F., Masicampo, E. J., & DeWall, C. N. (2009). Prosocial benefits of feeling free: Disbelief in free will increases aggression and reduces helpfulness. Personality and Social Psychology Bulletin, 35(2), 260–268. https://doi.org/10.1177/0146167208327217
- Carey, K. M., & Paulhus, D. L. (2013). Worldview implications of believing in free will and/or determinism: Politics, morality, and criminal justice. Journal of Personality, 81(2), 130–141. https://doi.org/10.1111/j.1467-6494.2012.00799.x
- Fernandes, D., Ordabayeva, N., Han, K., Jung, J., & Mittal, V. (2022). How political identity shapes customer satisfaction. Journal of Marketing, 86(6), 116–134. https://doi.org/10.1177/00222429211057508
- Heider, F. (1958). The Psychology of Interpersonal Relations. John Wiley & Sons. https://doi.org/10.1037/10628-000
- Paulhus, D. L., & Carey, K. M. (2011). The FAD-Plus: Measuring lay beliefs in free will and determinism. Journal of Personality Assessment, 93(1), 96–104. https://doi.org/10.1080/00223891.2010.528483
- Paulhus, D. L., & Margesson, A. (1994). The Free Will and Determinism (FAD-4) scale. Unpublished manuscript, University of British Columbia, Vancouver, Canada.
- Vohs, K. D., & Schooler, J. W. (2008). The value of believing in free will: Encouraging a belief in determinism increases cheating. Psychological Science, 19(1), 49–54. https://doi.org/10.1111/j.1467-9280.2008.02045.x
- Weiner, B. (1985). An attributional theory of achievement motivation and emotion. Psychological Review, 92(4), 548–573. https://doi.org/10.1037/0033-295X.92.4.548