Religious Maturity Scale

Abstract

The Religious Maturity Scale (RMS) is an 11-item self-report psychometric instrument developed by Roger L. Dudley and Robert J. Cruise in 1990. The instrument was conceptualized to address fundamental theoretical and psychometric controversies within the psychology of religion, specifically regarding the operationalization of Gordon W. Allport’s seminal construct of mature religion. While historical measures operationalized mature religiousness primarily via intrinsic orientations—frequently conflating mature commitment with closed-minded orthodoxy—subsequent instruments like C. Daniel Batson’s Quest Scale conceptualized religious maturity predominantly through existential doubt and continuous skepticism. Dudley and Cruise posited that mature religiosity does not reside in perpetual doubt or doctrinal fanaticism, but rather in a creative psychological tension characterized by deep personal commitment paired with tentative, developmental open-mindedness. The RMS assesses religious maturity as an open, developmental, and heuristic psychological process rather than a static theological belief system, rendering it applicable across diverse religious traditions. Evaluated on a 5-point Likert scale ranging from 1 (Strongly Disagree) to 5 (Strongly Agree), the instrument yields a unidimensional total score between 11 and 55, with three reverse-scored items reflecting dogmatic inflexibility. Initial psychometric testing on 491 university students and adults demonstrated an internal consistency reliability coefficient (Cronbach’s alpha) of .55, which increased to .68 in a broader national sample of over 400 participants. Factor analysis isolated an 11-item factor orthogonal to traditional intrinsic and extrinsic dimensions. Convergent validity analyses revealed moderate positive associations with the Quest orientation (r = .37) and theoretical divergence from intrinsic (r = .10) and extrinsic (r = .02) orientations. This article provides a comprehensive academic analysis of the RMS, examining its historical foundations, construct architecture, psychometric properties, scoring procedures, and contemporary empirical applications.

Keywords

Religious Maturity Scale, Gordon Allport, Roger Dudley, Robert Cruise, psychology of religion, religious maturity, cognitive flexibility, quest orientation, intrinsic religiosity, psychometrics, scale development, heuristic faith

Authors

The Religious Maturity Scale was developed and standardized by Roger L. Dudley, Ed.D., and Robert J. Cruise, Ph.D.

• Roger L. Dudley, Ed.D. served as Professor of Christian Ministry and Director of the Institute of Church Ministry at the Seventh-day Adventist Theological Seminary, Andrews University, Berrien Springs, Michigan. A prominent researcher in the sociology and psychology of religion, Dr. Dudley authored numerous empirical studies examining youth faith development, religious socialization, pastoral leadership, and the measurement of religious constructs.
• Robert J. Cruise, Ph.D. was Professor of Research and Statistical Methodology in the School of Education at Andrews University. Dr. Cruise specialized in psychometrics, multivariate statistical analysis, applied measurement design, and statistical consulting across the behavioral sciences.

Correspondence regarding the foundational validation studies of the instrument historically originated through the Institute of Church Ministry and the Department of Educational and Counseling Psychology at Andrews University, Berrien Springs, Michigan 49104.

Purpose

The primary purpose of the Religious Maturity Scale is to provide an empirically grounded, psychologically oriented measurement tool capable of evaluating the mature operationalization of personal faith. For decades, the empirical psychology of religion struggled with the challenge of defining and measuring healthy versus unhealthy expressions of religious life. Following the introduction of Allport’s (1950) criteria for the “mature religious sentiment,” early psychometric instruments largely equated mature religion with the Intrinsic Religious Orientation (Allport & Ross, 1967). However, critics argued that intrinsic scales primarily captured theological orthodoxy, devout institutional adherence, and uncritical doctrinal loyalty, often failing to incorporate the critical, differentiated, and heuristic qualities that Allport originally envisioned.

In response to these deficiencies, Batson and Ventis (1982) formulated the Quest orientation to represent the open-ended, questioning, and existential facets of faith. Yet this conceptualization introduced an opposing psychometric problem: Batson’s model heavily weighted religious doubt and skepticism, inadvertently implying that sincere, foundational commitment was antithetical to maturity. Dudley and Cruise (1990) designed the RMS to resolve this theoretical impasse. Their objective was to construct an operational index reflecting the psychological reality that an individual can simultaneously maintain sincere, stabilizing religious commitments while sustaining an open-minded, non-dogmatic, and developmental posture toward transcendent truth.

In research contexts, the RMS functions as an investigative instrument to explore how cognitive complexity, intellectual humility, moral reasoning, and psychological well-being intersect with religious functioning. It enables investigators to differentiate individuals whose faith is anchored in defensive dogmatism from those whose faith represents an integrating, dynamic life framework. In clinical, counseling, and pastoral settings, the scale serves as a diagnostic and evaluative tool for exploring spiritual struggles, faith transitions, and the psychological health of belief systems. By emphasizing the cognitive and emotional process of believing rather than doctrinal content, the RMS offers mental health practitioners a standardized method to assess whether a client’s religious framework supports adaptive coping or fosters rigid, maladaptive defenses.

Psychological Construct

The psychological construct assessed by the Religious Maturity Scale is mature religiosity, conceptualized as an integrated, flexible cognitive-affective orientation toward faith and transcendent meaning. Unlike theological definitions that emphasize orthodoxy, adherence to creedal formulations, or institutional participation, the RMS operationalizes maturity through psychological maturity criteria. The construct rests upon several distinct yet interrelated cognitive and behavioral dimensions derived from developmental and personality psychology:

1. Heuristic Faith and Tentative Open-Mindedness

Central to the construct is the concept of a heuristic belief system. In epistemology and personality theory, a heuristic orientation involves holding a working hypothesis with full conviction for practical action, while remaining prepared to modify that hypothesis upon the discovery of new evidence. In the RMS, this is exemplified by an individual’s willingness to say, in effect, “I will live decisively by the light I currently have, while remaining fully receptive to deeper truth.” Rather than experiencing cognitive dissonance when confronted with ambiguity, the mature individual views faith as a dynamic developmental continuum.

2. Cognitive Flexibility and Non-Dogmatism

Mature religion involves high levels of cognitive flexibility and intellectual humility. Individuals scoring high on the RMS acknowledge the intrinsic complexity of existential dilemmas, such as the problem of evil, suffering, and human mortality. They actively reject simplistic, dualistic answers. Consequently, the construct involves a pronounced hesitancy toward dogmatic pronouncements, recognizing the epistemological limitations of human perception. Conversely, religious immaturity is characterized by cognitive rigidity, intolerance of ambiguity, and an insistence on absolute doctrinal certainty as a prerequisite for personal commitment.

3. Integrative Social and Relational Consciousness

The construct encompasses an ethical and relational dimension wherein interpersonal relationships are viewed as intrinsically tied to one’s relationship with the divine. A mature religious sentiment does not isolate spirituality within private mysticism or sectarian insularity; instead, it synthesizes spiritual devotion with social responsibility, ethical action, and horizontal interpersonal commitment. Relational maturity within faith dictates that compassion and human dignity are seen as fundamental reflections of authentic spiritual life.

4. Rejection of Static Belief Systems

A final dimension of the construct is the acknowledgment of personal transformation over time. Religious immaturity is operationalized as static dogmatism—manifested when an individual’s worldview remains completely unchanged across years of lived experience. Mature religiosity recognizes that developmental maturity requires psychological adaptation, cognitive reorganization, and personal growth as life experiences accumulate.

Theoretical Framework

The theoretical architecture of the Religious Maturity Scale is directly rooted in Gordon W. Allport’s classical personality theory, particularly his seminal treatise The Individual and His Religion (1950). Allport posited that while religion in childhood is largely derivative, self-serving, and uncritical, an adult personality has the potential to develop a mature religious sentiment. Allport outlined six essential attributes characterizing mature religion:

1. Well-Differentiated: The mature sentiment is critical, articulate, rich in detail, and organized through thoughtful reflection rather than blind imitation.
2. Dynamic: Although originally derived from basic physiological and social needs, mature religion becomes functionally autonomous, generating motivational energy independent of primary drives.
3. Productive of a Consistent Morality: The mature sentiment actively influences behavioral outcomes, fostering ethical consistency and personal integrity.
4. Comprehensive: It articulates a coherent, overarching philosophy of life capable of integrating diverse human experiences, including suffering and tragedy.
5. Integral: It harmonizes conflicting aspects of personality into a unified, congruent identity.
6. Fundamentally Heuristic: The individual acts with unwavering commitment on beliefs that are acknowledged to be probabilities rather than mathematically demonstrable certainties.

Dudley and Cruise recognized that prior psychometric operationalizations of Allport’s framework suffered from a critical theoretical divergence. When Allport and Ross (1967) developed the Religious Orientation Scale (ROS) to measure Intrinsic (living one’s religion) and Extrinsic (using one’s religion) motivations, they unintentionally created an intrinsic scale that emphasized unreflective certainty and conservative orthodoxy. Decades later, Batson and Ventis (1982) sought to recapture Allport’s heuristic criterion by introducing the Quest orientation, characterized by recognizing existential questions, viewing doubt as positive, and openness to change. However, Dudley and Cruise identified a theoretical flaw in Batson’s conceptualization: Quest conflated open-mindedness with continuous skepticism, penalizing individuals who held strong personal religious convictions.

Drawing upon cognitive-developmental models of faith—such as those articulated by James W. Fowler (Stages of Faith) and Fritz Oser—Dudley and Cruise established a framework where mature faith balances stable commitment with developmental openness. Fowler’s Conjunctive Faith (Stage 5), for instance, involves reconciling opposites: maintaining deep symbolic and personal loyalty while embracing paradox, multidimensional truth, and personal fallibility. Dudley and Cruise’s theoretical model posits that true psychological maturity within religion resides neither in dogmatic certainty (Allport’s immature zealot) nor in perpetual agnosticism (unanchored questing), but in an integrative equilibrium: acting decisively upon working convictions while remaining open to continuous growth.

Validity

The psychometric validity of the Religious Maturity Scale has been evaluated through content, construct, and divergent validity analyses across multiple empirical investigations.

Content and Construct Validity

Content validity was established through systematic operationalization of Allport’s (1950) six criteria of mature religion. Dudley and Cruise developed an initial pool of 26 statements specifically tailored to capture cognitive flexibility, heuristic commitment, and ethical integration, deliberately avoiding specific denominational doctrines. When combined with 28 existing items measuring Intrinsic, Extrinsic, and Quest orientations into a 54-item Personal Religion Inventory, factor analysis confirmed that the items loaded onto a distinct psychological dimension separate from traditional motivation scales.

Convergent and Discriminant Validity

The construct validity of the RMS was tested by examining its correlations with established measures of religious orientation:

• Correlation with Quest Orientation: The RMS demonstrated a moderate, statistically significant positive correlation with Batson’s Quest Scale (r = .37, p < .001). This confirms that the RMS successfully captures openness, tolerance for ambiguity, and cognitive flexibility without completely replicating Batson’s doubt-focused construct.
• Divergence from Intrinsic Religiosity: The RMS exhibited an empirical correlation of only r = .10 with Allport’s Intrinsic scale. This demonstrates clear discriminant validity, indicating that the RMS assesses a distinct psychological construct separate from devout doctrinal commitment or internal religious motivation.
• Divergence from Extrinsic Religiosity: The correlation between the RMS and the Extrinsic scale was negligible (r = .02), establishing that mature religiosity operates independently from utilitarian, social, or comfort-seeking religious motivations.

Criterion-Related and Applied Research Validity

Subsequent empirical investigations supported the scale’s ecological and predictive utility. Dudley, Hernandez, and Terian (1992) utilized the RMS to evaluate social consciousness, finding that individuals with higher religious maturity scores were significantly more likely to advocate for social justice, human rights, and active community engagement, while rejecting narrow sectarian isolationism. Furthermore, Dudley and Kosinski (1990) applied the scale in relationship research, exploring how mature, flexible faith frameworks relate to marital satisfaction and interpersonal adjustment, demonstrating the scale’s applicability across behavioral settings.

Reliability

The internal consistency and measurement precision of the Religious Maturity Scale have been evaluated across collegiate and community cohorts.

Internal Consistency Reliability

In the primary validation study conducted by Dudley and Cruise (1990) on a heterogeneous sample of 491 participants, the 11-item RMS demonstrated a Cronbach’s alpha coefficient of .55. The authors addressed this modest reliability estimate by highlighting the complex psychometric nature of the underlying construct. Operationalizing a multidimensional psychological tension—simultaneously measuring firm commitment alongside tentative open-mindedness—inherently introduces statistical variance that can depress inter-item correlations. The inclusion of both positively keyed and reverse-worded items across distinct domains (such as social action, epistemic certainty, and interpersonal theology) further influenced the alpha coefficient.

Importantly, subsequent psychometric evaluations on broader, more representative demographic samples yielded higher reliability coefficients. In a follow-up national investigation involving over 400 adult participants, Dudley and Cruise reported an improved Cronbach’s alpha of .68, satisfying traditional research benchmarks for exploratory and developmental psychometric instruments. Subsequent applications of the scale in specialized sociological surveys (e.g., Dudley, Hernandez, & Terian, 1992) demonstrated comparable internal consistency coefficients ranging between .65 and .71.

Measurement Stability

While the original authors did not report formal test-retest reliability statistics over extended longitudinal windows, the stability of the construct is supported by its steady factor structure across independent samples. The presence of item 11 (“My religious beliefs are pretty much the same today as they were five years ago”) serves as a behavioral marker reflecting personal cognitive evolution over multi-year intervals.

Factor Analysis

The structural dimensionality of the Religious Maturity Scale was established through exploratory multivariate factor analytic procedures described by Dudley and Cruise (1990).

Extraction and Rotation Procedures

The initial 54-item Personal Religion Inventory—comprising 26 newly developed maturity items alongside 28 standardized items from Intrinsic, Extrinsic, and Quest inventories—was administered to 491 subjects. The sample was subjected to an exploratory principal components analysis followed by an orthogonal (Varimax) rotation to determine underlying latent dimensions.

Factor Architecture

The factor analysis revealed three primary orthogonal factors accounting for the majority of the common variance:

• Factor 1: Captured classic Intrinsic Religiosity, with heavy loadings on items reflecting personal devotion, prayer life, and the internalization of religious teachings.
• Factor 2: Captured classic Extrinsic Religiosity, characterized by items measuring social utility, personal security, and utilitarian institutional involvement.
• Factor 3: Emerged as a distinct dimension specifically representing Religious Maturity. Eleven specific statements loaded prominently on this third orthogonal axis.

Item Loadings and Structural Characteristics

The 11 items forming the final RMS demonstrated substantial factor loadings on Factor 3 while displaying negligible cross-loadings on Factors 1 and 2. Eight items loaded positively, capturing themes of epistemic humility, progressive revelation, struggle with existential problems, and the equal importance of human relationships. Three items loaded negatively, articulating dogmatic certainty, intolerance of ambiguity, and opposition to socio-political engagement. The orthogonality of this factor confirmed the authors’ theoretical contention: religious maturity is not merely an elevated degree of intrinsic devotion or an alternative form of extrinsic motivation, but a unique psychological construct.

Instrument / Measurement Tool

The Religious Maturity Scale is a self-administered, paper-and-pencil or computerized psychological questionnaire. Below are the structural specifications and administration guidelines for the instrument:

• Instrument Type: Self-report psychological scale.
• Target Population: Adolescents and adults (recommended minimum reading level: secondary education / high school level due to cognitive complexity).
• Administration Time: Approximately 5 to 10 minutes.
• Item Count: 11 items (8 positively keyed, 3 negatively keyed).
• Response Format: 5-point Likert agreement scale anchored from 1 to 5:
• Response Options:
  • 1 = Strongly Disagree
  • 2 = Disagree
  • 3 = Neutral / Undecided
  • 4 = Agree
  • 5 = Strongly Agree
• Scoring Protocol:
  • Items 1, 2, 3, 4, 6, 8, 9, and 10 are scored directly (Strongly Disagree = 1, Disagree = 2, Neutral = 3, Agree = 4, Strongly Agree = 5).
  • Items marked with an asterisk (*)—specifically Items 5, 7, and 11—are reverse-scored: 1 = 5, 2 = 4, 3 = 3, 4 = 2, and 5 = 1.
  • A total composite score is calculated by summing the scores of all 11 items.
  • Theoretical score range: 11 to 55.
  • Higher total scores indicate greater religious maturity (cognitive flexibility, developmental open-mindedness, heuristic commitment), whereas lower scores reflect religious immaturity (dogmatism, cognitive rigidity, static beliefs).

Permissions & Fee and Test Year

The Religious Maturity Scale was published in 1990 in the peer-reviewed journal Review of Religious Research (Volume 32, Issue 2, pages 97–109). The scale was placed in the public academic domain by the authors, Roger L. Dudley and Robert J. Cruise, for legitimate scholarly, educational, and clinical research purposes.

No licensing fee or formal permission is required for non-commercial academic research, pedagogical use, or clinical assessment, provided that appropriate scholarly attribution is accorded to the original authors and the publishing journal. Researchers intending to incorporate the RMS into commercial assessment batteries, digital diagnostic platforms, or profit-generating publications should seek formal copyright clearance through the Religious Research Association and Springer Nature (current rights distributor for the Review of Religious Research).

References

• Allport, G. W. (1950). The individual and his religion: A psychological interpretation. Macmillan.
• Allport, G. W., & Ross, J. M. (1967). Personal religious orientation and prejudice. Journal of Personality and Social Psychology, 5(4), 432–443. https://doi.org/10.1037/h0021212
• Batson, C. D., & Ventis, W. L. (1982). The religious experience: A social-psychological perspective. Oxford University Press.
• Dudley, M. G., & Kosinski, F. A., Jr. (1990). Religiosity and marital satisfaction: A research note. Review of Religious Research, 32(1), 78–86. https://doi.org/10.2307/3511330
• Dudley, R. L., & Cruise, R. J. (1990). Measuring religious maturity: A proposed scale. Review of Religious Research, 32(2), 97–109. https://doi.org/10.2307/3511758
• Dudley, R. L., Hernandez, E. I., & Terian, S. M. K. (1992). Religiosity and public issues among Seventh-day Adventists. Review of Religious Research, 33(4), 330–348. https://doi.org/10.2307/3511674
• Fowler, J. W. (1981). Stages of faith: The psychology of human development and the quest for meaning. Harper & Row.
• Oser, F. K., & Gmünder, P. (1991). Religious judgment: A developmental approach. Religious Education Press.

Items of the Scale