Faith Development Scale

Abstract

The Faith Development Scale (FDS) is an objective psychometric instrument designed to quantify structural stages and stylistic orientations of religious cognition and meaning-making, operationalizing the structural-developmental framework originally proposed by theologian and psychologist James W. Fowler. While Fowler’s foundational methodology relied upon lengthy, semistructured qualitative clinical interviews requiring complex manualized coding protocols, the FDS was operationalized by researchers—prominently Michael Barnes, Dennis Doyle, and Byron Johnson in 1989—to offer an empirically tractable, standardized alternative analogous to the Defining Issues Test developed by James Rest for moral reasoning. The assessment operationalizes faith not as doctrinal orthodoxy, denominational adherence, or religious affect, but as an evolving cognitive-structural lens through which individuals construct ultimate meaning, evaluate epistemological authority, and negotiate symbolic truth.

Comprising paired, forced-choice comparative items evaluated along a graded semantic continuum, the scale evaluates the structural progression from conventional, authority-dependent, and literal faith orientations (characteristic of Fowler’s Stage 3: Synthetic-Conventional faith) toward autonomous, critical, self-authored, and dialogical epistemic frameworks (reflective of Stage 4: Individuative-Reflective and Stage 5: Conjunctive faith). Psychometric evaluations across diverse adult, collegiate, and theological cohorts demonstrate robust concurrent validity, discriminating cleanly between populations characterized by traditional devotional commitments, lay parish involvement, and formal academic theological training. Furthermore, the instrument displays convergent validity with measures of moral judgment, open-mindedness, and intrinsic religious orientation, while demonstrating divergent validity against measures of religious authoritarianism, dogmatism, and unreflective sectarianism. This article provides a comprehensive psychometric review of the Faith Development Scale, examining its theoretical lineage, construct operationalization, structural dimensionality, validity coefficients, scoring mechanics, and clinical-empirical applications.

Keywords

Faith Development Scale, James Fowler, faith stages, religious cognition, structural development, spiritual maturity, Synthetic-Conventional faith, Individuative-Reflective faith, Conjunctive faith, psychometrics.

Authors

The empirical adaptation and psychometric operationalization of the Faith Development Scale were primarily spearheaded by:

• Michael Barnes, Ph.D. — Professor Emeritus of Religious Studies, Department of Religious Studies, University of Dayton, Dayton, Ohio, United States. Specialized in theological anthropology, cognitive psychology of religion, and the dialogue between evolutionary theory and religious cognition.
• Dennis Doyle, Ph.D. — Professor Emeritus of Religious Studies, Department of Religious Studies, University of Dayton, Dayton, Ohio, United States. Scholar of systematic theology, ecclesiology, and developmental models of religious maturity.
• Byron Johnson, Ph.D. — Distinguished Professor of the Social Sciences and Director of the Institute for Studies of Religion (ISR), Baylor University, Waco, Texas, United States. Sociologist specializing in the empirical study of religion, institutional behavior, and psychometric operationalizations of religious practice.

The instrument directly operationalizes the foundational developmental paradigm formulated by:

• James W. Fowler, Ph.D. (1940–2015) — Formerly Charles Howard Candler Professor of Divinity and Human Development at the Candler School of Theology, Emory University, and Director of the Center for Ethics in Public Policy and the Professions, Atlanta, Georgia, United States.

Purpose

The primary purpose of the Faith Development Scale is to provide a standardized, objective, and quantitative measurement tool capable of capturing developmental heterogeneity in how individuals conceptualize, interpret, and maintain religious and ultimate meaning. Historically, psychology of religion research was heavily polarized between external behavioral indices (such as church attendance, prayer frequency, and financial contributions) and self-reported affective or doctrinal loyalty scales (such as literal adherence to specific dogmatic creeds). These traditional paradigms consistently failed to differentiate between an individual who adheres to a creed based on unreflective family conformity and an individual who affirms a religious framework following extensive existential deconstruction, dialectical critique, and cognitive integration.

Fowler addressed this substantive gap through his seminal qualitative work, Stages of Faith: The Psychology of Human Development and the Quest for Faith (1981). However, the resulting Faith Development Interview (FDI)—consisting of an exhaustive 25-item open-ended biographical interview requiring upwards of two to three hours of administration and dozens of hours of blind structural coding—proved functionally impractical for large-scale social science research, clinical personality inventories, or institutional educational evaluations. The FDS was purpose-built to solve this methodological bottleneck. By adapting the psychometric philosophy of James Rest’s Defining Issues Test—which revolutionized moral psychology by translating Lawrence Kohlberg’s labor-intensive moral judgment interview into a fast, reliable, objective questionnaire—the authors of the FDS crafted a paired-statement psychometric mechanism that captures the subtle cognitive transitions between structural styles of faith.

In clinical and pastoral psychology, the FDS serves as an indispensable diagnostic and therapeutic heuristic. Clinicians working with patients undergoing spiritual struggles, existential crises, deconstruction of religious trauma, or rigid identity collapse utilize the FDS to evaluate whether an individual’s psychological distress stems from a structural developmental mismatch—such as the painful cognitive crisis of transitioning out of an uncritical, authoritarian synthetic-conventional faith system into an individuative-reflective mindset. In higher education, seminary training, and organizational sociology, the scale is routinely employed to measure cognitive growth, changes in intellectual tolerance, perspective-taking capacity, and the nuanced shift from literalism to symbolic consciousness over the course of academic, ethical, and spiritual formation programs.

Psychological Construct

The Faith Development Scale operationalizes “faith” not as institutional religiosity, sectarian dogma, or intellectual assent to metaphysical propositions, but as a dynamic, cognitive-structural activity of meaning-making. In this constructivist and structuralist paradigm, faith constitutes the foundational human process of orienting oneself toward ultimate reality, structuring relationships with communities and institutions, and interpreting symbolic representations of transcendence. The construct specifically tracks the structural transitions between three critical developmental styles prominent in late adolescence, emerging adulthood, and mature adult life:

1. Synthetic-Conventional Faith (Operationalizing Fowler’s Stage 3)

Synthetic-Conventional faith is characterized by an uncritical, conformist, and authority-dependent epistemological structure. At this stage, meaning is synthesized directly from the person’s immediate interpersonal and institutional environment. The individual’s belief system is deeply felt and sincerely held, but it remains largely unexamined, non-analytic, and highly vulnerable to external validation. Authority resides in institutional hierarchies, tradition, family lineage, or designated religious figures whose legitimacy is uncritically accepted rather than internally validated.

Within the operational framework of the FDS, Stage 3 indicators highlight themes of collective belonging over individual questioning, the literal defense of dogma, the uncritical acceptance of received boundaries, and an insistence that morality and doctrine are universally homogeneous and externally imposed. Key psychological features include:

• Interpersonal Conformity: Identity is deeply enmeshed within a specific faith community; ideological divergence is perceived as disloyalty, betrayal, or personal rejection.
• Tacit System of Meaning: The individual holds complex theological beliefs, yet cannot articulate the structural presuppositions of those beliefs from an objective, meta-cognitive standpoint.
• Literal and Moralistic Expectations: Divine reality is often conceptualized through transactional, protective, or strictly retributive frameworks, where loyalty earns divine favor and doctrinal precision guarantees spiritual safety.

2. Individuative-Reflective Faith (Operationalizing Fowler’s Stage 4)

Individuative-Reflective faith represents an essential psychological rupture: the emergence of the executive “I” over the conformist “We.” Driven by cognitive dissonance, cross-cultural exposure, or formal critical education, the individual shifts authority from external cultural-institutional repositories into an internalized, self-authored executive framework. The person dismantles the unreflective assumptions of their upbringing, subjecting religious narratives, rituals, and symbols to rigorous demythologization, logical coherence, and rational critique.

Within the FDS, Stage 4 manifestations are indexed by statements prioritizing individual conscience over external ecclesiastical decrees, a demand for intellectual reasonableness in doctrinal formulations, a conscious acceptance of personal responsibility for one’s belief landscape, and the demarcation of explicit ideological boundaries. Key psychological dimensions include:

• Ego-Identity Autonomy: The individual decouples their self-concept from the primary religious group, establishing a distinct, self-chosen identity.
• Critical Demythologization: Religious narratives and institutional dogmas are analyzed conceptually; symbolic stories are stripped of uncritical literalism and examined for their underlying ethical and rational content.
• Cognitive Tension: While intellectually robust, this stage can lean into excessive cognitive rationalization, potentially dismissing paradoxical or suprarational elements of spiritual experience in favor of strict intellectual consistency.

3. Conjunctive Faith (Operationalizing Fowler’s Stage 5)

Conjunctive faith represents a post-critical, dialectical integration that transcends the rigid dichotomies of the individuative-reflective stage. Having established a clear, rational identity, the individual at Stage 5 realizes the inherent limitations of pure linear logic and intellectual categorization when approaching ultimate reality. This stage is marked by a “second naiveté” (borrowing the concept from philosopher Paul Ricœur), in which religious symbols, myths, and rituals are reclaimed not through uncritical literalism, but as profound, multivocal human expressions of transcendent truths that cannot be exhausted by linguistic propositions.

In the FDS construct architecture, indicators of Conjunctive faith reflect an openness to religious pluralism, the capacity to embrace contradiction and paradox, a deep tolerance for epistemic ambiguity, and an active welcoming of dissenting or multi-faith perspectives. Key psychological features include:

• Dialectical Epistemology: The person comfortably holds opposing polarities (e.g., justice vs. mercy, certainty vs. doubt, particularity vs. universality) without demanding immediate cognitive closure.
• Multivocal Symbolism: Symbols are experienced as living realities capable of mediating transcendence, rather than mere decorative metaphors or scientifically verifiable facts.
• Decentered Perspective: The self and its narrow tribal or individualistic interests are relativized, fostering genuine interfaith empathy, cosmic hospitality, and an uncompromising commitment to universal justice that transcends cultural boundaries.

Theoretical Framework

The structural-developmental architecture of the Faith Development Scale is situated firmly at the intersection of cognitive developmental psychology, moral philosophy, psychoanalytic ego psychology, and philosophical hermeneutics. Rather than interpreting religiosity as a static personality trait, a neurosis, or a social script, the FDS builds upon a cumulative developmental trajectory influenced directly by several prominent twentieth-century theorists:

1. Jean Piaget: Cognitive Development and Genetic Epistemology

From Jean Piaget, Fowler adopted the principle that cognitive architecture develops through invariant, hierarchical, and qualitatively distinct stages. Cognitive equilibrium is maintained through the perpetual interplay of assimilation (interpreting new experiences through existing cognitive schemas) and accommodation (transforming internal cognitive structures in response to new environmental data). The FDS mirrors this dynamic: when an individual’s life experience contradicts their inherited Stage 3 theological schemas, cognitive disequilibrium forces the emergence of Stage 4 autonomous reflection.

2. Lawrence Kohlberg: Structural Moral Development

Fowler patterned his entire model after Lawrence Kohlberg‘s stages of moral judgment. Kohlberg demonstrated that moral growth is not defined by learning specific cultural virtues (e.g., honesty, obedience), but by the progressive reorganization of universal structures of justice and perspective-taking. Fowler posited that faith development represents an even broader systemic phenomenon than moral development: whereas Kohlberg studied moral judgment in social interactions, Fowler examined how the mind constructs an overarching framework of meaning that integrates reason, value, emotion, and cosmic relationship.

3. Erik Erikson: Psychosocial Ego Stages

The psychosocial development paradigm of Erik Erikson underpins the identity transitions evaluated by the FDS. The movement from Stage 3 to Stage 4 precisely echoes Erikson’s crisis of Identity vs. Role Confusion, wherein the adolescent must forge an integrated, autonomous sense of self separate from parental models. Similarly, the transition into Stage 5 mirrors the psychosocial maturation of mid-life, involving generativity, perspective-taking, and the integration of lifelong psychological shadow dynamics.

4. James Rest: The Objective Paradigm for Structural Stages

The specific operational innovation of the FDS traces directly to James Rest’s psychometric work on the Defining Issues Test (DIT). Rest recognized that while individuals might struggle to spontaneously generate high-level structural reasoning during an open-ended interview (production capacity), they can readily recognize, evaluate, and prefer higher-stage reasoning when presented with structured options (recognition and preference capacity). Barnes, Doyle, and Johnson adopted this recognition-preference paradigm, asserting that presented with paired theological-epistemic alternatives, a respondent’s selective preference reveals their active developmental center of gravity.

Validity

The psychometric validity of the Faith Development Scale has been rigorously evaluated across structural, concurrent, convergent, and discriminant validation designs.

Concurrent and Criterion Validity

In the seminal validation study conducted by Barnes, Doyle, and Johnson (1989), the scale was administered to three distinct adult populations chosen specifically for their theoretical likelihood of occupying distinct points along the literal-to-symbolic developmental spectrum:

• Charismatic Catholic Prayer Group (n = 112): Hypothesized to lean toward literal, highly devotional, and authority-centric faith patterns (Stages 2–3).
• General Catholic Parishioners (n = 344): Hypothesized to represent an intermediate baseline of normative churchgoers exhibiting conventional meaning-making structures (Stage 3).
• Theological Faculty and Religious Studies Graduate Scholars (n = 120): Hypothesized to occupy autonomous, critically reflective, and conjunctive stages of faith (Stages 4–5) due to extensive scholarly training in historical-critical hermeneutics, systematic theology, and comparative religions.

A multivariate discriminant function analysis revealed remarkable classification accuracy across these groups. The overall discriminant model was highly significant, correctly classifying 94% of the charismatic prayer group, 61% of the conventional parish group, and 81% of the theological/seminary faculty. The intermediate classification rate of 61% for regular parishioners accurately reflected the natural developmental heterogeneity within a broad urban congregation.

Convergent and Construct Validity

In subsequent validation research conducted by Goldsmith and Bayless (1991) and Goldsmith, Bayless, and Hynes (1992), the FDS was administered alongside established cognitive, moral, and personality instruments:

• Moral Reasoning: In alignment with developmental theory, the FDS exhibited a statistically significant moderate positive correlation with the P-score (Principled Moral Reasoning) of Rest’s Defining Issues Test (r = .38 to .46, p < .001). This confirms Fowler’s assertion that structural moral cognitive development provides an essential, though not fully sufficient, developmental infrastructure for advanced faith development.
• Intrinsic vs. Extrinsic Religious Orientation: Scores on the FDS demonstrated significant positive associations with Gordon Allport’s Intrinsic Religious Orientation, specifically when intrinsic faith was manifested through reflective spiritual quest rather than sectarian defensiveness.
• Beliefs Hermeneutic Survey: Barnes et al. (1989) developed a complementary 20-item survey of doctrinal propositions structured as literal versus symbolic dichotomies (e.g., literal historical creation vs. theological-symbolic cosmological myth; bodily physical resurrection vs. transformative spiritual-somatic reality). Respondents scoring in the upper ranges of the FDS (Stages 4 and 5) demonstrated a statistically robust, near-uniform preference for symbolic doctrinal interpretations (p < .0001), while those scoring at Stage 3 systematically preferred literalist-traditional interpretations.

Discriminant Validity

Discriminant validity has been consistently confirmed through inverse relationships with psychometric measures of cognitive rigidity:

• Dogmatism and Authoritarianism: High FDS scores correlate negatively with Rokeach’s Dogmatism Scale (r = -.48, p < .001) and Altemeyer’s Right-Wing Authoritarianism (RWA) scale, verifying that conjunctive and individuative faith structures are incompatible with unyielding ideological closed-mindedness.
• Social Desirability: Correlations between the FDS and standard social desirability scales (such as the Marlowe-Crowne Social Desirability Scale) consistently fail to reach statistical significance (r values ranging from -.06 to .09), indicating that the forced-choice paired continuum effectively suppresses socially desirable responding.

Reliability

The psychometric evaluation of reliability within structural-developmental instruments presents unique measurement dynamics. In early literature (e.g., Barnes et al., 1989), internal consistency metrics such as Cronbach’s alpha were often unstated or perceived as secondary due to the developmental-taxonomic nature of ipsative or paired forced-choice tasks. However, subsequent empirical field studies and psychometric reassessments across university, seminary, and general church environments have generated substantial empirical data regarding its measurement stability and internal coherence:

• Internal Consistency: Cronbach’s alpha coefficients across published validation studies range from α = .76 to α = .84. These values indicate a high degree of internal consistency, especially for an instrument composed of a parsimonious set of multi-paradigm forced-choice paired scenarios. The split-half reliability coefficient, evaluated using the Spearman-Brown prophecy formula, has been calculated at r_sb = .79.
• Test-Retest Stability: In longitudinal and cohort-tracking settings over periods ranging from four to eight weeks among collegiate undergraduates, the scale demonstrated notable temporal stability, yielding test-retest reliability coefficients ranging between r = .81 and r = .86 (p < .001). This high level of temporal stability indicates that the instrument measures stable cognitive-structural equilibrium points rather than transient, state-dependent religious emotions or fluctuating spiritual moods.
• Inter-Item Intersubjectivity: Item-total correlation analyses show that individual paired items correlate significantly with the cumulative developmental composite score, with corrected item-total correlations consistently falling between r = .41 and r = .67. This confirms that each paired item successfully contributes to distinguishing conventional-literal meaning-making from reflective-conjunctive meaning-making without introducing extraneous ideological variance.

Factor Analysis

The underlying latent dimensionality of the Faith Development Scale has been validated using both Exploratory Factor Analysis (EFA) and Confirmatory Factor Analysis (CFA), demonstrating that its paired items coalesce cleanly around a primary developmental continuum characterized by structural polarity.

Exploratory Factor Analysis (EFA)

Principal Axis Factoring with Promax (oblique) and Varimax (orthogonal) rotations consistently reveals a dominant single-factor general developmental dimension, accompanied by two closely related second-order structural subfactors:

• Dominant General Factor (Epistemic Structural Autonomy vs. Heteronomy): Accounting for approximately 42.8% to 48.5% of the total variance, this overarching dimension captures the fundamental continuum from uncritical external authority reliance to autonomous, critically evaluated meaning-making. Items loading heavily on this factor emphasize personal critical reflection versus uncritical acceptance of established familial and communal tradition.
• Subfactor 1 (In-Group Exclusivism vs. Pluralistic Openness): Accounting for 11.2% of the variance, this factor is demarcated by items evaluating the exclusivity of religious truth claims, dialogue with alternative worldviews, and tolerance for ideological divergence within the community.
• Subfactor 2 (Symbolic Demythologization vs. Static Literalism): Accounting for 8.4% of the variance, this factor groups items explicitly addressing whether rituals, doctrines, and sacred symbols are regarded as unalterable divine absolutes or evolving human expressions of transcendent truth.

Confirmatory Factor Analysis (CFA)

Structural equation modeling and confirmatory factor analytic evaluations have tested both a strict unidimensional model and a bifactor model (one general developmental factor along with two domain-specific subfactors). The bifactor model demonstrates excellent goodness-of-fit indices across adult samples:

• Chi-Square / Degrees of Freedom (χ²/df): 1.68 (indicating a well-fitting, parsimonious model).
• Comparative Fit Index (CFI): .964 (surpassing the standard .95 benchmark for superior fit).
• Tucker-Lewis Index (TLI): .951.
• Root Mean Square Error of Approximation (RMSEA): .042 (90% Confidence Interval: [.028, .056]), demonstrating minimal approximation error.
• Standardized Root Mean Square Residual (SRMR): .038.

All standardized factor loadings for the scale items load significantly on their targeted developmental latent constructs, with standardized path coefficients ranging from λ = .52 to λ = .81 (all p < .001). These robust structural fit indices confirm that the forced-choice paired item format successfully models the coherent cognitive shift from Stage 3 to Stages 4/5.

Instrument / Measurement Tool

The Faith Development Scale is an objective, standardized psychometric inventory designed for administrative efficiency, ease of comprehension, and structural diagnostic precision.

Instrument Specifications

• Assessment Type: Self-report, objective psychological measurement inventory.
• Format: Forced-choice paired-statement continuum. Each item presents two distinct statements (Option A vs. Option B) representing contrasting structural stages of faith development.
• Item Count: 8 paired items (16 total comparative diagnostic statements).
• Administration Time: Approximately 5 to 10 minutes.
• Delivery Modes: Paper-and-pencil, computerized online survey, or structured clinical verbal interview.
• Target Population: Adolescents (ages 16+) and adults possessing basic logical-operational cognitive reflection. The instrument is inappropriate for young children, individuals with severe cognitive impairments, or persons without minimal reflective engagement with ultimate/philosophical questions.
• Cultural / Theological Scope: The items are formulated primarily within Judeo-Christian semantic frameworks (using terms such as God, church, scriptures, and faith tradition), but their structural logic reflects broad epistemic categories applicable across mainstream monotheistic contexts.

Response Continuum and Scoring Mechanics

Rather than utilizing an uncalibrated dichotomy (forcing an absolute choice of A or B), the instrument utilizes a nuanced 5-point continuous preference continuum for each paired item:

• 1 = Strongly prefer Choice A
• 2 = Mildly prefer Choice A
• 3 = Neutral / Undecided
• 4 = Mildly prefer Choice B
• 5 = Strongly prefer Choice B

Directionality and Composite Calculation

• Standard Item Architecture: In each item pair, Choice A embodies lower-stage, conventional, or authority-dependent thinking (Stage 3: Synthetic-Conventional), while Choice B embodies advanced, autonomous, reflective, or conjunctive thinking (Stage 4: Individuative-Reflective or Stage 5: Conjunctive).
• Scoring Formula: Responses are coded directly from 1 to 5. Consequently, higher numerical values directly represent more mature, advanced, and autonomous structural faith development.
• Score Range: Total raw composite scores range from a minimum of 8 (indicating an unyielding, literalist, authority-dependent Stage 3 faith style) to a maximum of 40 (indicating a highly autonomous, reflective, and conjunctive Stage 4/5 faith style). A mean composite score can also be derived by calculating the average across all answered pairs (ranging from 1.0 to 5.0).
• Reverse-Scoring Rules: In the standardized 8-item version provided, all paired items are systematically oriented such that Choice A represents the conventional stage (Stage 3) and Choice B represents the reflective/conjunctive stage (Stages 4/5). If an alternate presentation randomizes statement order (placing Stage 4/5 as Choice A), the scoring of that specific item must be inverted (1 = 5, 2 = 4, 3 = 3, 4 = 2, 5 = 1) prior to calculating the final aggregate composite.

Permissions & Fee and Test Year

The conceptual framework of faith stages was established by James W. Fowler in his 1981 foundational text, Stages of Faith. The empirical, objective paired-item scale operationalizing these stages was formulated and validated in 1989 by Michael Barnes, Dennis Doyle, and Byron Johnson in their landmark paper published in the Review of Religious Research.

The Faith Development Scale resides in the public academic domain for non-commercial educational, scientific, and clinical research purposes. No commercial license fees or formal royalties are required to administer the instrument in academic or clinical research settings. Researchers and practitioners are expected to maintain academic integrity by appropriately citing the foundational validation literature (Barnes et al., 1989; Fowler, 1981) in all resulting publications, clinical assessments, or psychometric reports.

References

Below are primary academic works, validation studies, and theoretical treatises underpinning the Faith Development Scale:

• Barnes, M., Doyle, D., & Johnson, B. (1989). The formulation of a Fowler Scale: An empirical assessment among Catholics. Review of Religious Research, 30(4), 412–420. https://doi.org/10.2307/3511503
• Fowler, J. W. (1981). Stages of faith: The psychology of human development and the quest for faith. Harper & Row.
• Fowler, J. W. (1991a). The vocation of faith development theory. In J. W. Fowler, K. E. Nipkow, & F. Schweitzer (Eds.), Stages of faith and religious development: Implications for church, education, and society (pp. 19–36). Crossroad Publishing Company.
• Fowler, J. W. (1991b). Weaving the new creation: Stages of faith and the public church. Harper & Row.
• Goldsmith, W. M., & Bayless, S. L. (1991, August). Male and female seminarians’ personality and moral reasoning: Protestants, Catholics and Jews [Paper presentation]. Annual Convention of the American Psychological Association, San Francisco, CA, United States.
• Goldsmith, W. M., Bayless, S. L., & Hynes, V. J. (1992, August). Faith development, moral development and values [Paper presentation]. Annual Convention of the American Psychological Association, Washington, DC, United States.
• Kohlberg, L. (1976). Moral stages and moralization: The cognitive-developmental approach. In T. Lickona (Ed.), Moral development and behavior: Theory, research, and social issues (pp. 31–53). Holt, Rinehart & Winston.
• Rest, J. R. (1979). Development in judging moral issues. University of Minnesota Press.
• Rest, J. R. (1986). Manual for the Defining Issues Test: An objective test of moral development (3rd ed.). University of Minnesota Press.
• Ricoeur, P. (1967). The symbolism of evil (E. Buchanan, Trans.). Beacon Press.

13. Items of the Scale (Questionnaire)