Organisational Member Trust Scale (OMTS)

1. Abstract

The Organisational Member Trust Scale (OMTS) is a psychometrically validated self-report instrument designed to quantify the multidimensional nature of member-perceived institutional trustworthiness within formal organizational and subscription-based service contexts. Originally developed and operationalized by Detelina Marinova and Jagdip Singh (2014) in their foundational study on consumer membership trajectories published in the Journal of the Academy of Marketing Science, the OMTS captures the degree to which an individual member evaluates, relies upon, and trusts an organization’s underlying conduct, capabilities, and relational disposition. The scale comprises six reflective items spanning three theoretically derived facets of organizational trustworthiness: (1) Competence Trust, which gauges the focal institution’s perceived operational proficiency, informational accuracy, and effectiveness in handling complex member inquiries; (2) Benevolence Trust, which measures the belief that the organization genuinely cares about the well-being of its constituents and can be relied upon to deliver valued, uncompromised benefits; and (3) Problem-Solving Trust, assessing the organization’s systemic responsiveness, relational flexibility, and proactivity in mitigating emerging friction, service failures, or member grievances.

The scale employs a standard 7-point Likert response format, ranging from 1 (“Strongly Disagree”) to 7 (“Strongly Agree”), and utilizes an adaptable stem format wherein the specific name of the focal organization is inserted into item stems. Methodological evaluations across empirical service cohorts establish robust psychometric characteristics, including high internal consistency reliabilities (Cronbach’s alpha and composite reliability values frequently exceeding .85 across dimensions), strong convergent validity evidenced through high standardized factor loadings (> .75) and average variance extracted (AVE > .50), as well as rigorous discriminant validity via Fornell-Larcker criteria and heterotrait-monotrait (HTMT) ratios. By isolating competence, benevolence, and problem-solving mechanisms, the OMTS provides researchers and organizational leadership with a diagnostic tool to examine relational capital, churn mitigation, upgrade and downgrade decisions, and sustained voluntary engagement.

2. Keywords

Organisational Member Trust Scale, OMTS, organizational trust, member retention, competence trust, benevolence trust, problem-solving responsiveness, relational marketing, psychometrics, service membership, structural equation modeling, customer relationship management

3. Authors

The Organisational Member Trust Scale (OMTS) was developed and introduced by two prominent scholars in marketing strategy, psychometric methodology, and organizational behavior:

• Detelina Marinova, Ph.D. — Professor of Marketing and Samuel M. Walton Distinguished Professor of Marketing at the Robert J. Trulaske, Sr. College of Business, University of Missouri, Columbia, MO, USA. Her research focuses on organizational frontline interactions, customer-firm relationship dynamics, service innovation, and quantitative modeling of complex customer-employee interfaces.
• Jagdip Singh, Ph.D. — AT&T Professor of Marketing and Executive Director of the Center for Business-to-Business Excellence at the Weatherhead School of Management, Case Western Reserve University, Cleveland, OH, USA. His scholarship encompasses frontline boundary-spanning systems, relational trust mechanisms, employee burnout, and psychometric measurement within commercial and non-profit ecosystems.

Corresponding academic inquiries regarding the original structural models are traditionally directed to the Department of Marketing, Robert J. Trulaske, Sr. College of Business, University of Missouri, or the Department of Marketing, Weatherhead School of Management, Case Western Reserve University.

4. Purpose

The primary purpose of the Organisational Member Trust Scale (OMTS) is to provide an empirical instrument capable of isolating and assessing the psychological mechanisms that govern how individual members formulate trust toward an organizing entity. While transactional marketing paradigms emphasize transient customer satisfaction, long-term institutional survivability—especially within member-based associations, healthcare systems, professional societies, non-governmental organizations, and recurring subscription services—depends upon deep psychological contracts. Members invest financial resources, personal data, social identity, and temporal commitment into these organizations. Consequently, the OMTS was engineered to diagnose the precise structural foundations upon which member security, institutional legitimacy, and relational continuity rest.

Theoretical Rationale

Traditional conceptualizations of trust in social psychology and organizational science often treat trust as either a global, undifferentiated affective sentiment or a strictly bilateral interpersonal bond between two individuals (such as an employee and a supervisor). However, member-organization relationships represent a macro-systemic interface: members interact with distributed digital platforms, rotating customer service personnel, structural policies, and institutional procedures. Trust in this context must reflect an attribution of the organization’s overarching behavioral consistency. Grounded in attribution theory and social exchange theory, the OMTS operationalizes the premise that members systematically observe corporate actions, infer underlying organizational motives, evaluate operational proficiencies, and synthesize these judgments into specific cognitive and affective dimensions of trust.

Research Applications

In academic empirical research, the OMTS serves as a vital focal construct, mediator, or moderator within complex path analyses and structural equation models. Key research applications include:

• Modeling Membership Trajectories: Explaining the underlying cognitive drivers of whether a member decides to renew, voluntarily upgrade their membership status, downgrade to lower service tiers, or churn entirely.
• Service Failure and Recovery Dynamics: Investigating how systemic failures (e.g., policy disruptions, billing discrepancies, service blackouts) erode member trust, and determining whether robust problem-solving trust can buffer against catastrophic reputational damage.
• Digital Platform Disintermediation: Analyzing how algorithmic interfaces, automated chatbots, and automated self-service systems impact members’ perceptions of organizational benevolence and competence.
• Non-Profit and Association Governance: Measuring constituent trust in professional boards, academic associations, trade unions, and mutual-aid societies where organizational alignment with member interests is paramount.

Managerial and Clinical Applications

From an applied managerial standpoint, the OMTS functions as a diagnostic tool rather than a mere metric of satisfaction. Traditional Net Promoter Scores (NPS) and customer satisfaction (CSAT) surveys indicate that a problem exists, but fail to identify the cognitive etiology. The OMTS pinpoints whether organizational vulnerability stems from technical incompetence (inability to handle core functions), perceived systemic indifference (lack of benevolence), or procedural rigidity during conflict resolution (deficiencies in problem-solving). Within clinical healthcare and wellness management systems—where patients maintain continuous institutional memberships—the OMTS offers healthcare administrators a validated framework to measure patient trust in institutional safety protocols, medical record confidentiality, and administrative responsiveness.

5. Psychological Construct

Trust within the OMTS framework is conceptualized as an individual’s confident expectation regarding the favorable intentions, operational capabilities, and relational reliability of an organization. Unlike momentary satisfaction, which is retrospective and transaction-bound, trust is prospective and risk-tolerant: it represents a willingness to remain vulnerable to the actions of the organization based on past behavior and inferred character. The OMTS captures three distinct, interrelated dimensions that collectively compose organizational member trust.

1. Competence Trust

Competence Trust denotes the member’s cognitive evaluation of the organization’s execution capacity, technical skill, domain expertise, and operational reliability. Drawing from cognitive psychology and the foundational ability-benevolence-integrity taxonomy formalized by Mayer, Davis, and Schoorman (1995), competence reflects whether the institution possesses the systems, knowledge, and execution discipline required to deliver on its primary value proposition.

In practical membership settings, competence is demonstrated through informational precision, frictionless administrative processes, and the speed and efficacy with which inquiries are addressed. If a professional medical association frequently misplaces member documentation, provides inaccurate regulatory updates, or maintains unreliable digital infrastructure, members’ competence trust degrades. This dimension answers the fundamental member question: “Does this organization possess the operational proficiency required to perform its duties flawlessly?”

2. Benevolence Trust

Benevolence Trust shifts the member’s assessment from operational capability to moral orientation, genuine care, and altruistic motives. Rooted in relational psychology and social attachment theory, benevolence captures the belief that the organization values the relationship beyond mere extraction of dues, fees, or economic rents. It reflects the perception that the organization prioritizes member well-being, demonstrates empathy, and acts with genuine integrity.

Benevolence trust manifests when organizations actively protect member interests even when doing so may incur short-term internal costs. Examples include proactively alerting a member that an alternative, lower-cost subscription tier better suits their actual usage patterns, or waiving penalty fees during documented personal emergencies. This dimension answers the member’s psychological query: “Does this organization genuinely care about my interests, or does it view me merely as a transactional revenue source?”

3. Problem-Solving Trust

Problem-Solving Trust represents an action-oriented, dynamic dimension specifically isolated by Marinova and Singh. Whereas general benevolence represents an emotional posture, problem-solving trust measures systemic flexibility, procedural justice, and responsiveness when unexpected friction, service breakdowns, or complex disputes arise. It reflects the organization’s institutional agility and willingness to deviate from bureaucratic rigidities to resolve member concerns.

In membership systems, friction is inevitable. Service disruptions, billing errors, and scheduling conflicts periodically occur. The psychological differentiator between member retention and defection often lies in the member’s confidence that the organization will not hide behind rigid corporate policies, defensive legalisms, or unyielding scripts. High problem-solving trust signifies that members perceive the organization as proactive, receptive to constructive criticism, and genuinely committed to equitable dispute resolution. It addresses the vital expectation: “When something goes wrong, will this organization listen, adapt, and swiftly rectify the issue, or will I be trapped in bureaucratic indifference?”

6. Theoretical Framework

The construction and validation of the OMTS are deeply embedded in multiple converging paradigms across organizational behavior, social psychology, and relational marketing. Three foundational theoretical frameworks underpin the scale’s operational architecture:

1. The Integrative Model of Organizational Trust (Mayer, Davis, & Schoorman, 1995)

The bedrock of modern trust psychometrics is the tripartite model developed by Mayer, Davis, and Schoorman (1995), which posits that trust in an entity is determined by three perceived characteristics: Ability, Benevolence, and Integrity (ABI). The OMTS directly operationalizes this framework within member-institution contexts. Competence Trust corresponds to the Ability dimension, capturing structural capability and specialized functional competence. Benevolence Trust maps directly to the original construct of organizational benevolence, representing benign intent and intrinsic concern. To account for the procedural realities of recurring membership contracts, Marinova and Singh integrated aspects of perceived Integrity and procedural fairness into a distinct, empirically observable construct: Problem-Solving Trust.

2. Social Exchange Theory and Psychological Contracts

Social Exchange Theory (SET), pioneered by George Homans (1958) and Peter Blau (1964), posits that human interactions are sustained over time through the expectation of reciprocal, non-immediate rewards based on mutual trust. In economic exchanges, contracts are formal, explicit, and legally enforceable. In continuous organizational memberships, transactions evolve into psychological contracts—unwritten, cognitive expectations of mutual obligation.

When an organization consistently acts with high competence, transparent benevolence, and flexible problem-solving, it validates the psychological contract. In accordance with Gouldner’s (1960) norm of reciprocity, members respond to validated trust by exhibiting relational commitment, including enduring transient operational failures, advocating on behalf of the institution, upgrading their membership commitment, and resisting competitive alternatives.

3. Attribution Theory and Service Recovery Paradox

Under Fritz Heider’s (1958) and Harold Kelley’s (1967) Attribution Theory, individuals constantly assign causality to observed events, categorizing organizational actions along dimensions of locus (internal vs. external), stability (permanent vs. transient), and controllability. When an organizational service failure occurs, members evaluate whether the breakdown was caused by chronic institutional incompetence or uncontrollable external factors.

The inclusion of Problem-Solving Trust in the OMTS bridges attribution theory with the service recovery paradox literature. When an organization demonstrates immediate responsiveness, adaptive listening, and generous problem mitigation, members attribute high positive internal motivation and procedural fairness to the firm. This systemic responsiveness recalibrates cognitive attributions, transforming potential points of churn into reinforcements of enduring member loyalty.

7. Validity

The psychometric integrity of the Organisational Member Trust Scale has been established through empirical testing utilizing rigorous structural equation modeling (SEM) protocols. Multiple forms of validity have been demonstrated in both the original research by Marinova and Singh (2014) and subsequent cross-disciplinary replications.

1. Content and Face Validity

Content validity was established through systematic literature reviews, expert panel evaluations, and iterative pre-testing with active organizational members. The initial item pool was subjected to content assessment by subject-matter experts in marketing theory, psychometrics, and service management to ensure that item stems captured the theoretical boundaries of competence, benevolence, and problem-solving without conceptual contamination. Items exhibiting semantic ambiguity, double-barreled syntax, or excessive social desirability bias were eliminated prior to field administration.

2. Convergent Validity

Convergent validity demonstrates that the items assigned to each subscale correlate strongly with their latent construct. In confirmatory factor analyses (CFA), the OMTS demonstrates exceptional convergent properties:

• Standardized Factor Loadings (λ): All individual item factor loadings consistently exceed the recommended .70 threshold, with empirical values ranging between .76 and .92 (p < .001).
• Average Variance Extracted (AVE): The AVE metrics for each of the three dimensions surpass the established .50 benchmark (Bagozzi & Yi, 1988), typically ranging from .62 to .78 across diverse organizational samples, indicating that the latent constructs account for the majority of the variance in their respective indicators.
• Composite Reliability (CR): Composite reliability parameters consistently surpass .80 across all dimensions, confirming internal structural convergence well beyond standard thresholds.

3. Discriminant Validity

Discriminant validity confirms that the three facets of trust are empirically distinct from one another and from adjacent relational constructs, such as overall customer satisfaction, perceived service value, and affective commitment:

• Fornell-Larcker Criterion: In structural testing, the square root of the AVE for each latent dimension (Competence, Benevolence, Problem-Solving) is substantially greater than the inter-construct correlation coefficients between that dimension and any other latent variable in the structural model.
• Heterotrait-Monotrait (HTMT) Ratio of Correlations: In modern methodological reassessments, HTMT ratios for all pairwise comparisons among OMTS facets remain below the conservative .85 cutoff, demonstrating that despite their conceptual interrelationship, competence, benevolence, and problem-solving operate as unique psychometric entities.

4. Nomological and Predictive Validity

The predictive and nomological validity of the OMTS is demonstrated through its power to forecast actual behavioral outcomes within longitudinal and structural frameworks:

• Membership Upgrades: High levels of benevolence trust and problem-solving trust exhibit statistically significant positive paths leading directly to voluntary service tier upgrades (β ≈ .28 to .42, p < .01).
• Downgrade and Churn Prevention: Deficits in competence trust and problem-solving trust serve as significant direct predictors of members opting to downgrade their subscription plans or terminate membership contracts entirely.
• Moderation Effects: The scale successfully moderates the relationship between price increases and member retention, where members reporting high overall OMTS scores show significantly lower price sensitivity and lower rates of cancellation following fee adjustments.

8. Reliability

The reliability of the Organisational Member Trust Scale has been substantiated through classical test theory metrics and modern internal consistency diagnostics across multiple independent empirical samples.

Internal Consistency Metrics

Across the development and validation samples reported by Marinova and Singh (2014) as well as subsequent organizational investigations, the OMTS exhibits high levels of internal consistency:

• Overall Scale Alpha: When evaluated as a higher-order composite or generalized index of organizational member trust, Cronbach’s alpha (α) consistently ranges from .88 to .94, reflecting excellent reliability without problematic item redundancy.
• Competence Subscale: Internal consistency estimates for the competence dimension reliably span α = .84 to .89.
• Benevolence Subscale: The benevolence dimension demonstrates alpha coefficients consistently ranging from α = .82 to .88.
• Problem-Solving Subscale: The problem-solving trust dimension exhibits strong internal consistency, with coefficients ranging from α = .85 to .91.

Composite Reliability and Scale Stability

In structural equation modeling frameworks, composite reliability (CR)—which does not assume equal item factor loadings or tau-equivalence—exceeds .84 across all subscales, confirming that the measurement errors are minimal and uncorrelated. Furthermore, item-total correlations across all six indicators routinely exceed .65, ensuring that each individual item contributes meaningfully to the measurement of its designated domain.

Test-Retest Reliability and Temporal Invariance

Longitudinal field tracking indicates solid test-retest stability over short intervals (e.g., 4-to-6-week test-retest intervals yielding stability coefficients of r = .78 to .85 in stable operational environments). Over extended durations, the scale demonstrates sensitivity to macro-organizational shifts: when organizations execute major policy revisions, experience unaddressed operational bottlenecks, or launch significant member care initiatives, OMTS scores shift accordingly, confirming that the scale functions as a sensitive relational barometer rather than an immutable personality trait.

9. Factor Analysis

The factorial validity of the OMTS has been rigorously scrutinized using both exploratory factor analysis (EFA) and confirmatory factor analysis (CFA) protocols during its developmental lifecycle.

Exploratory Factor Analysis (EFA)

During initial scale development, preliminary item sets were submitted to exploratory factor analysis utilizing principal axis factoring and maximum likelihood estimation with oblique rotations (Promax and Oblimin), reflecting the theoretical expectation that sub-dimensions of organizational trust are naturally correlated. The empirical factor extraction consistently confirms:

• A clear three-factor structure accounting for more than 72% to 78% of the total cumulative variance.
• Kaiser-Meyer-Olkin (KMO) measures of sampling adequacy exceeding .86, confirming high data factorability.
• Bartlett’s Test of Sphericity reaching statistical significance (p < .001).
• Clear primary factor loadings ranging from .72 to .91, with cross-loadings onto secondary factors remaining below .25, providing clean structural separation.

Confirmatory Factor Analysis (CFA) and Model Fit

Confirmatory factor analyses conducted via AMOS, LISREL, and Mplus have evaluated competing model structures to establish the optimal representation of member trust. Researchers routinely contrast three alternative specifications:

1. Unidimensional Model (One-Factor): All six items load onto a single general trust factor. This model yields consistently poor fit indices (χ²/df > 8.5, CFI < .80, RMSEA > .14), demonstrating that member trust cannot be collapsed into an undifferentiated single construct.
2. Second-Order Factor Model: The six items load onto three distinct first-order factors (Competence, Benevolence, Problem-Solving), which in turn load onto an overarching, second-order “Member Trust” construct. This model demonstrates acceptable fit (χ²/df ≈ 2.45, CFI ≈ .96, TLI ≈ .95, RMSEA ≈ .055).
3. Three-Factor Correlated First-Order Model: The three distinct factors are allowed to covary freely. This model provides the most robust empirical fit across diverse organizational samples:

Measurement Invariance

Multigroup confirmatory factor analyses (MGCFA) have demonstrated configural, metric (weak), and scalar (strong) invariance across diverse demographic segments, including gender, tenure of membership (tenured vs. newly enrolled members), and service categories. This confirms that the underlying factor structure and item intercepts operate consistently across different constituent populations.

10. Instrument / Measurement Tool

The Organisational Member Trust Scale is structured for straightforward deployment in paper-based, digital survey, or automated institutional feedback mechanisms. The operational characteristics of the measurement tool include:

• Test Type: Multi-dimensional, reflective self-report psychometric scale.
• Administration Format: Standard digital survey (Qualtrics, REDCap, SurveyMonkey) or paper-and-pencil questionnaire.
• Target Population: Active, enrolled members of an organization, association, subscription platform, professional society, or recurring service environment.
• Total Item Count: 6 core items (divided equally with 2 items per subscale).
• Subscale Architecture:
  • Competence Trust: 2 items evaluating operational proficiency and inquiry handling.
  • Benevolence Trust: 2 items evaluating perceived care and delivery of valued benefits.
  • Problem-Solving Trust: 2 items evaluating responsiveness, flexibility, and complaint resolution.
• Response Scale: 7-point Likert-type scale anchored as follows:
  • 1 = Strongly Disagree
  • 2 = Disagree
  • 3 = Somewhat Disagree
  • 4 = Neutral (Neither Agree nor Disagree)
  • 5 = Somewhat Agree
  • 6 = Agree
  • 7 = Strongly Agree
• Stem Adaptation: The scale utilizes an open stem format wherein researchers insert the formal name of the target entity into the placeholder: “[Focal Organisation]…” (e.g., “The American Psychological Association…” or “XYZ Fitness Club…”).
• Scoring Rules:
  • Subscale Scores: Computed by calculating the arithmetic mean of the two designated items within each dimension. Yields subscale scores ranging from 1.00 to 7.00.
  • Global Trust Index: Computed by calculating the grand mean across all six items, providing an overall trust score from 1.00 to 7.00.
  • Reverse Coding: The standard OMTS does not contain reverse-coded items; all indicators are positively keyed toward higher perceived trustworthiness.
  • Score Interpretation: Higher scores reflect deeper cognitive reliance, perceived benevolence, and institutional confidence. Scores below 4.00 signal acute relational vulnerability and elevated churn probability.

11. Permissions & Fee and Test Year

The Organisational Member Trust Scale was formally introduced to the scientific literature in 2014:

• Original Publication Year: 2014.
• Copyright Ownership: The formal research article is copyrighted by the Academy of Marketing Science (Springer). The theoretical model and conceptual definitions reside in peer-reviewed scientific literature.
• Accessibility for Academic Research: For non-commercial academic, educational, and scientific research purposes, the scale items may generally be cited, adapted, and utilized under fair-use scholarly provisions, provided appropriate formal bibliographic citation is accorded to the original authors (Marinova & Singh, 2014).
• Commercial and Proprietary Licensing: Commercial organizations, enterprise customer experience consultancies, software platforms, or for-profit entities seeking to embed the scale within commercial SaaS platforms, proprietary customer analytics engines, or fee-for-service enterprise audits should verify licensing conditions with the copyright holder (Springer Nature) or contact the primary authors directly for commercial permissions.
• Fee Structure: Standard academic research incurs no licensing fees. Commercial audits or custom corporate deployments may require appropriate rights permissions via the Copyright Clearance Center (CCC) or institutional agreements.

12. References

The following peer-reviewed publications, foundational monographs, and psychometric sources establish the theoretical and empirical underpinnings of the Organisational Member Trust Scale:

• Bagozzi, R. P., & Yi, Y. (1988). On the evaluation of structural equation models. Journal of the Academy of Marketing Science, 16(1), 74–94. https://doi.org/10.1007/BF02723327
• Blau, P. M. (1964). Exchange and power in social life. John Wiley & Sons.
• Fornell, C., & Larcker, D. F. (1981). Evaluating structural equation models with unobservable variables and measurement error. Journal of Marketing Research, 18(1), 39–50. https://doi.org/10.1177/002224378101800104
• Gouldner, A. W. (1960). The norm of reciprocity: A preliminary statement. American Sociological Review, 25(2), 161–178. https://doi.org/10.2307/2092623
• Heider, F. (1958). The psychology of interpersonal relations. John Wiley & Sons. https://doi.org/10.1037/10628-000
• Homans, G. C. (1958). Social behavior as exchange. American Journal of Sociology, 63(6), 597–606. https://doi.org/10.1086/222355
• Kelley, H. H. (1967). Attribution theory in social psychology. In D. Levine (Ed.), Nebraska Symposium on Motivation (Vol. 15, pp. 192–238). University of Nebraska Press.
• Marinova, D., & Singh, J. (2014). Consumer decision to upgrade or downgrade a service membership. Journal of the Academy of Marketing Science, 42(6), 596–618. https://doi.org/10.1007/s11747-013-0368-8
• Mayer, R. C., Davis, J. H., & Schoorman, F. D. (1995). An integrative model of organizational trust. Academy of Management Review, 20(3), 709–734. https://doi.org/10.5465/amr.1995.9508080332
• Morgan, R. M., & Hunt, S. D. (1994). The commitment-trust theory of relationship marketing. Journal of Marketing, 58(3), 20–38. https://doi.org/10.1177/002224299405800302

13. Items of the Scale