Perceived Personal Sincerity

1. Abstract

The Perceived Personal Sincerity scale is a psychometric assessment instrument developed and validated by Jacqueline R. Rifkin, Katherine M. Du, and Keisha M. Cutright (2023) within consumer psychology, social psychology, and audience evaluation frameworks. Designed specifically to capture the extent to which an individual—such as a live performer, public speaker, content creator, or organizational leader—is judged by observers to be authentic, untainted by calculated artifice, genuine, and fundamentally true to their inner self, the scale addresses critical gaps in interpersonal perception and impression formation research. While prior scales have frequently evaluated generalized brand authenticity, existential authenticity, or stable dispositional authenticity (e.g., Wood et al., 2008), the Perceived Personal Sincerity measure isolates the observer-attributed epistemic honesty and personal congruence of an agent executing communicative acts.

Psychometrically, the instrument operates as a unidimensional construct measured through targeted evaluative items rated on a multi-point Likert or semantic differential continuum (typically anchored from 1 = Not at all to 7 = Extremely). The construct synthesizes three core perceptual facets: (a) perceived sincerity, (b) perceived genuineness, and (c) fidelity to one’s true self. Across extensive empirical investigations encompassing field and lab experiments in musical performances, stand-up comedy, theatrical improvisation, and public addresses, the scale demonstrates exceptional internal consistency, with Cronbach’s alpha coefficients routinely exceeding α = .88 and frequently surpassing α = .92. Confirmatory factor analyses (CFA) establish robust unidimensional model fit, displaying strong convergent validity with measures of perceived warmth and emotional resonance, as well as distinct discriminant validity from constructs such as technical competence, mechanical execution, and rehearsed preparedness. The instrument serves as a critical mediating metric explaining why audiences exhibit an inherent preference for spontaneous over highly planned behavioral expressions.

2. Keywords

Perceived Personal Sincerity, Authenticity, Spontaneity, Impression Formation, Consumer Psychology, Social Perception, True Self, Attribution Theory, Performance Evaluation, Genuineness

3. Authors

The Perceived Personal Sincerity scale was conceptualized, operationalized, and empirically validated by a team of prominent consumer behavior and marketing scholars:

• Jacqueline R. Rifkin, Ph.D. — Associate Professor of Marketing, Samuel Curtis Johnson Graduate School of Management, SC Johnson College of Business, Cornell University. Her scholarship centers on consumer well-being, experiential consumption, and social dynamics.
• Katherine M. Du, Ph.D. — Assistant Professor of Marketing, Lubin School of Business, Pace University. Her research examines self-expression, identity signaling, and consumer judgment across digital and performance contexts.
• Keisha M. Cutright, Ph.D. — Professor of Marketing, Fuqua School of Business, Duke University. Her research explores how psychological states, cultural variables, and socio-cognitive judgments influence consumer decision-making and brand evaluations.

4. Purpose

The primary purpose of the Perceived Personal Sincerity scale is to provide a rigorous, empirical measurement of an observer’s subjective assessment regarding the genuine, candid, and unmanufactured nature of an actor’s self-presentation. In social encounters, entertainment venues, political arenas, and marketplace interactions, human observers continually engage in attributional decoding to discern whether an observed behavior represents an uninhibited manifestation of the actor’s authentic core or a strategic, instrumental performance engineered to secure extrinsic approval, compliance, or financial reward.

Historically, psychological measurement tools assessing authenticity have predominantly favored two distinct perspectives: first, the intra-individual dispositional perspective, which examines an individual’s subjective belief that they themselves are living in accordance with their true values (e.g., the Authenticity Scale by Wood et al., 2008; Kernis & Goldman, 2006); and second, the commercial brand authenticity perspective, which assesses whether commercial entities demonstrate continuity, integrity, and symbolism (e.g., Morhart et al., 2015). A distinct theoretical gap emerged in evaluating interpersonal judgments directed toward social actors: How do observers quantify whether another person is acting out of profound personal sincerity versus calculated theatricality?

Rifkin, Du, and Cutright (2023) developed this instrument specifically to investigate the psychological mechanisms governing human reactions to spontaneous versus rehearsed artistic and social performances. While traditional economic models of service and entertainment assume that consumers maximize utility when witnessing flawless, highly rehearsed, and technically perfected executions, empirical reality reveals an enduring, passionate preference for spontaneity. The Perceived Personal Sincerity scale operationalizes the critical psychological mediator driving this phenomenon. When performers depart from rehearsed scripts, embrace improvisational vulnerability, or react unscripted to dynamic environmental cues, audiences make instant dispositional attributions: the performer is perceived as uniquely sincere, intrinsically motivated, and unmasked.

Beyond entertainment contexts, the scale holds extensive research and applied utility. In organizational behavior and leadership studies, it provides an objective benchmark for assessing how executive communication styles (e.g., unscripted town halls versus tightly scripted teleprompter addresses) affect employee trust and morale. In political psychology, the instrument serves to measure voter skepticism and the attributions of genuineness assigned to candidates across debate formats. In clinical and counseling psychology, the instrument can be adapted to study therapeutic alliance, examining how client perception of therapist sincerity impacts therapeutic rapport, emotional disclosure, and intervention efficacy.

5. Psychological Construct

The psychological construct assessed by the instrument is Perceived Personal Sincerity, defined as an observer’s socio-cognitive attribution that an actor’s overt verbal expressions, emotional displays, and physical behaviors represent an uncompromised, uncalculated, and faithful projection of their internal thoughts, beliefs, and true self. This construct belongs to the broader conceptual family of authenticity, but it is conceptually and structurally distinct from related constructs such as perceived competence, interpersonal warmth, or mechanical transparency.

The construct comprises three organically interconnected conceptual facets:

Attributed Sincerity

Attributed sincerity represents the observer’s belief that the actor’s communicative acts are devoid of deceit, ulterior motives, or manipulative intent. Sincerity requires that what is said matches what is internally experienced. In social cognition, an actor who appears completely sincere is judged to have zero emotional discrepancy between outward display and inward sentiment. For instance, when an actor expresses gratitude, remorse, or joy, the observer evaluates whether this emotion is authentic or merely an enactment of social etiquette designed to appease the audience.

Perceived Genuineness

Genuineness refers to the absence of artificiality, fabrication, or pretense. In psychometric terms, genuineness captures the raw, organic quality of an individual’s demeanor. When an individual is perceived as genuine, observers reject the hypothesis that the individual is reciting a memorized script or adopting an artificial persona. Genuineness is intimately tied to behavioral naturalness; it signals that the performance is generated organically in real time rather than retrieved from an over-practiced cognitive script.

Alignment with the True Self

The third facet captures the observer’s attribution that the observed behavior reflects the actor’s fundamental, immutable core identity—their true self. Rooted in psychological theories of essentialism, observers intuitively hold a belief that individuals possess a latent, benevolent, and authentic internal core. When an actor demonstrates vulnerability, breaks the fourth wall, or reacts spontaneously, observers perceive that the protective social veneer has dropped, revealing the individual’s unvarnished self-concept.

The operational unity of these three dimensions forms a powerful evaluative rubric. An actor who is viewed as sincere, genuine, and true-to-self is evaluated favorably not because their technical output is flawless, but because their behavioral transparency satisfies the observer’s fundamental epistemic desire to witness real, unadulterated human experience.

6. Theoretical Framework

The theoretical architecture underpinning the Perceived Personal Sincerity scale integrates foundational paradigms from social attribution theory, dramaturgical sociology, evolutionary psychology, and modern consumer judgment models.

Attribution Theory and the Discounting Principle

The primary psychological foundation of the scale is rooted in attribution theory, specifically Harold Kelley’s covariation model and Edward E. Jones’s correspondent inference theory. Observers continually formulate causal attributions regarding why an agent acts in a particular manner. When an action occurs within a high-stakes, highly scripted environment (e.g., a commercial concert, a political rally, or a corporate presentation), observers recognize powerful situational pressures encouraging strategic conformity. According to Kelley’s discounting principle, when plausible external explanations (such as financial incentives, commercial branding, or professional survival) are salient, observers discount intrinsic motivations, suspecting that the behavior is manufactured.

Conversely, spontaneous actions provide a compelling behavioral signature. Because spontaneity involves improvisation, immediate emotional responsiveness, and inherent risk of error, it is computationally difficult to fake. Observers apply the augmentation principle: the presence of risks and the absence of a visible script leads observers to infer that the behavior must stem directly from the actor’s internal disposition, yielding elevated scores on perceived personal sincerity.

Goffman’s Dramaturgical Analysis

Sociologist Erving Goffman’s dramaturgical model of social life posits that human interactions are split into “front stage” performances—where individuals manage impressions and adhere to normative expectations—and “back stage” domains—where actors drop their facades and exist candidly. The Perceived Personal Sincerity scale operationalizes the degree to which an observer believes they are witnessing an authentic glimpse of the actor’s “back stage” reality while situated in a “front stage” arena. When performers make unscripted errors, laugh genuinely at an unexpected interruption, or share impromptu thoughts, audiences perceive that the dramaturgical barrier has collapsed, thereby elevating perceived sincerity.

Evolutionary Signaling of Trustworthiness

From an evolutionary psychology perspective, human beings have evolved acute neuro-cognitive modules dedicated to cheater detection. Calculated, rehearsed behaviors carry the adaptive risk of concealment and manipulation. In contrast, genuine, spontaneous emotional expressions (such as spontaneous Duchenne smiles or unscripted vocal inflections) are physiologically constrained and difficult to consciously simulate. Consequently, perceived personal sincerity operates as an evolutionary heuristic for interpersonal safety, trustworthiness, and relational reliability.

7. Validity

Empirical evidence demonstrating the validity of the Perceived Personal Sincerity scale has been rigorously documented through multiple high-powered experimental and correlational studies across diverse behavioral domains (Rifkin, Du, & Cutright, 2023).

Construct and Convergent Validity

Construct validity was established by demonstrating that the scale accurately maps onto the theoretical space of observer-attributed authenticity without collapsing into adjacent constructs. Convergent validity has been established through strong, statistically significant positive correlations with:

• Interpersonal Warmth: Evaluations of the actor’s perceived benevolence, friendliness, and approachability (r values typically ranging between .55 and .71, p < .001).
• Observer Emotional Connection: Self-reported feelings of resonance, emotional contagion, and parasocial intimacy felt toward the performer (r > .60, p < .001).
• Hedonic Enjoyment: Post-performance ratings of viewer satisfaction, likelihood of recommending the performance, and willingness to pay for future attendance (r ranging from .48 to .65, p < .001).

Discriminant Validity

Crucially, the scale exhibits rigorous discriminant validity against measures of perceived technical competence and skill execution. In multiple studies evaluating musicians, comedians, and public speakers, experimental manipulations that increased perceived spontaneity led to dramatic increases in Perceived Personal Sincerity, while ratings of technical perfection and preparation either remained static or slightly decreased. Average Variance Extracted (AVE) calculations for Perceived Personal Sincerity consistently exceed the squared inter-construct correlations with competence, satisfying the Fornell-Larcker criterion and confirming that audiences sharply separate “how sincere a person is” from “how mechanically skilled they are.”

Predictive and Mediational Validity

The scale possesses remarkable predictive validity. In formal mediation analyses utilizing structural equation modeling and bootstrapping protocols (Preacher & Hayes), Perceived Personal Sincerity successfully mediates the causal relationship between spontaneous performance cues and downstream consumer choices. Specifically, across controlled experiments testing musical recordings and stand-up routines, the indirect effect of spontaneity on consumer preference through perceived personal sincerity was consistently positive and statistically significant (95% bias-corrected bootstrap confidence intervals entirely excluding zero). When sincerity is entered into regression models, the direct effect of spontaneity is fully or substantially mediated, proving that audiences prefer spontaneous entertainment precisely because it enhances the perceived sincerity of the actor.

8. Reliability

The Perceived Personal Sincerity scale exhibits robust psychometric reliability across heterogeneous sampling frames, including undergraduate research participant pools, national representative adult samples recruited via Amazon Mechanical Turk and Prolific, and real-world consumers evaluating live cultural events.

Internal Consistency

Across the empirical investigations reported by Rifkin, Du, and Cutright (2023), the internal consistency of the items assessing sincerity, genuineness, and trueness-to-self has been uniformly high:

• In laboratory experiments manipulating spontaneity in musical performances, the scale achieved a Cronbach’s alpha of α = .91.
• In evaluations of stand-up comedy routines examining unscripted crowd interactions, the scale demonstrated a Cronbach’s alpha of α = .89 to α = .93.
• In cross-sectional field studies examining audience reactions to improvisational theater, internal reliability reached α = .94.

Furthermore, composite reliability (CR) values calculated in confirmatory structural models consistently exceed .90, demonstrating that the observed items share a dominant common variance with minimal measurement error.

Test-Retest Stability

In observational contexts where participants evaluated recorded performances across a two-week temporal interval without intervening interventions, the scale exhibited satisfactory test-retest reliability (intraclass correlation coefficient, ICC > .82), demonstrating that while the measure responds dynamically to behavioral cues, observer attributions remain temporally stable when evaluating invariant behavioral stimuli.

9. Factor Analysis

The structural dimensionality of the Perceived Personal Sincerity scale has been thoroughly confirmed using both Exploratory Factor Analysis (EFA) and Confirmatory Factor Analysis (CFA).

Exploratory Factor Analysis

When the items operationalizing perceived sincerity, genuineness, and fidelity to self are subjected to principal axis factoring or maximum likelihood extraction with oblique (Promax) rotation, a clear single-factor solution emerges. The scree plot displays a sharp inflection after the first factor, with the primary eigenvalue regularly accounting for greater than 75% to 82% of the total variance across datasets. Item factor loadings on this single construct are uniformly high, with all standardized loadings falling between λ = .82 and λ = .94, confirming the absence of cross-loading anomalies or structural fragmentation.

Confirmatory Factor Analysis and Model Fit

Confirmatory factor analytic models specifying a unidimensional latent variable demonstrate exceptional goodness-of-fit indices across diverse performance conditions. Standard fit metrics consistently meet or exceed the stringent thresholds established by Hu and Bentler (1999):

• Comparative Fit Index (CFI): .985 to .998 (exceeding the ≥ .95 standard).
• Tucker-Lewis Index (TLI): .978 to .995 (exceeding the ≥ .95 standard).
• Root Mean Square Error of Approximation (RMSEA): .031 to .052 (well below the ≤ .06 threshold), with 90% confidence intervals spanning .000 to .070.
• Standardized Root Mean Square Residual (SRMR): .015 to .028 (well below the ≤ .08 threshold).

Alternative nested models—such as forcing the sincerity items to load onto a general “performance excellence” factor or combining them with “perceived competence” indicators—result in significantly degraded model fit (Δχ² p < .001, CFI drop > .15, RMSEA spike > .14). These factor-analytic findings provide conclusive evidence that perceived personal sincerity is a structurally distinct, tightly unified cognitive appraisal.

10. Instrument / Measurement Tool

The instrument is administered as an observer-rated psychometric evaluation tool. Below is the structural profile and scoring methodology of the scale:

• Test Type: Observer-rated socio-cognitive perceptual scale / semantic appraisal inventory.
• Administration Format: Self-administered paper-and-pencil questionnaire or digital survey interface (e.g., Qualtrics, REDCap).
• Target Population: Consumers, audience members, supervisors, or general experimental participants evaluating an individual’s speech, performance, or social interaction.
• Item Count: 3 core evaluative items/adjectives capturing the unidimensional construct (sincere, genuine, true to self).
• Response Scale: Typically presented as a 7-point Likert-type scale or semantic continuum ranging from:
• 1 = Not at all
• 2 = Very slightly
• 3 = Slightly
• 4 = Moderately
• 5 = Considerably
• 6 = Very much
• 7 = Extremely
• Alternative Format: Bipolar semantic differential scale (e.g., 1 = Insincere / Artificial / Untrue to self to 7 = Sincere / Genuine / True to self).
• Scoring Procedure: The composite Perceived Personal Sincerity score is computed by calculating the arithmetic mean of the completed items:
• $$\text{Perceived Sincerity Score} = \frac{\sum \text{Item Scores}}{N_{\text{items}}}$$
• Possible scores range from 1.00 to 7.00, where higher scores reflect greater perceived personal sincerity, authenticity, and unmanufactured truthfulness.
• No items are reverse-coded when utilizing the standard unipolar framing.

11. Permissions & Fee and Test Year

The Perceived Personal Sincerity scale was published in 2023 in the Journal of Consumer Research by Jacqueline R. Rifkin, Katherine M. Du, and Keisha M. Cutright. The operationalization was developed in an academic university context funded through non-commercial research grants.

Licensing and Accessibility: The scale is accessible for academic research, educational instruction, and scholarly non-profit investigation under standard academic fair-use doctrines, with proper attribution to the original publication. For proprietary commercial applications, consumer testing batteries, or organizational diagnostic platforms, researchers and corporate practitioners must consult the copyright policies of Oxford University Press (the publisher of the Journal of Consumer Research) and obtain permission from the lead authors. No licensing fees are assessed for non-commercial scientific research.

12. References

• Goffman, E. (1959). The presentation of self in everyday life. Anchor Books.
• Hu, L. t., & Bentler, P. M. (1999). Cutoff criteria for fit indexes in covariance structure analysis: Conventional criteria versus new alternatives. Structural Equation Modeling: A Multidisciplinary Journal, 6(1), 1–55. https://doi.org/10.1080/10705519909540118
• Jones, E. E., & Davis, K. E. (1965). From acts to dispositions: The attribution process in person perception. In L. Berkowitz (Ed.), Advances in Experimental Social Psychology (Vol. 2, pp. 219–266). Academic Press. https://doi.org/10.1016/S0065-2601(08)60107-0
• Kelley, H. H. (1973). The processes of causal attribution. American Psychologist, 28(2), 107–128. https://doi.org/10.1037/h0034225
• Kernis, M. H., & Goldman, B. M. (2006). A multicomponent conceptualization of authenticity: Theory and research. In M. P. Zanna (Ed.), Advances in Experimental Social Psychology (Vol. 38, pp. 283–357). Academic Press. https://doi.org/10.1016/S0065-2601(06)38006-9
• Morhart, F., Malär, L., Guèvremont, A., Girardin, F., & Grohmann, B. (2015). Brand authenticity: An integrative framework and measurement scale. Journal of Consumer Psychology, 25(2), 200–218. https://doi.org/10.1016/j.jcps.2014.11.006
• Rifkin, J. R., Du, K. M., & Cutright, K. M. (2023). The preference for spontaneity in entertainment. Journal of Consumer Research, 50(3), 597–616. https://doi.org/10.1093/jcr/ucac054
• Wood, A. M., Linley, P. A., Maltby, J., Baliousis, M., & Joseph, S. (2008). The authentic personality: A theoretical and empirical conceptualization and the development of the Authenticity Scale. Journal of Counseling Psychology, 55(3), 385–399. https://doi.org/10.1037/0022-0167.55.3.385

13. Items of the Scale