1. Abstract
The Religious Orientation Scale (ROS) is one of the most prominent and historically foundational psychometric instruments developed within the psychology of religion. Conceived by Gordon W. Allport and J. Michael Ross in 1967, the instrument was engineered to operationalize Allport’s longstanding conceptual taxonomy distinguishing between extrinsic and intrinsic religious motivations—commonly summarized in psychological literature as the distinction between “using” versus “living” one’s religion. The standard scale comprises 20 self-report items divided into two primary subscales: an 11-item (or historically 12-item) Extrinsic Orientation subscale and a 9-item Intrinsic Orientation subscale. Respondents typically rate statements on a 5-point Likert scale ranging from 1 (Strongly Disagree) to 5 (Strongly Agree), although several subsequent adaptations employ expanded 9-point response formats.
Psychometrically, the Intrinsic Orientation subscale reliably demonstrates robust internal consistency across diverse empirical investigations, with Cronbach’s alpha coefficients typically clustering in the mid-.80s (ranging from .81 to .87) and two-week test-retest reliability around .84. Conversely, the Extrinsic Orientation subscale yields lower and more variable internal consistencies, typically falling in the low-.70s (frequently between .68 and .74, with test-retest reliability of .78), a direct artifact of its underlying multidimensionality tapping personal solace and social utility. While Allport originally hypothesized an inverse bipolar relationship between extrinsic and intrinsic sentiments, decades of empirical evidence indicate that the two dimensions operate largely as orthogonal or curvilinearly related vectors, spurring fourfold typological models (Intrinsics, Extrinsics, Indiscriminately Proreligious, and Indiscriminately Antireligious). The ROS remains an indispensable benchmark in empirical research investigating social prejudice, prosocial behavior, existential meaning, and mental health.
2. Keywords
Religious Orientation Scale, Gordon Allport, Intrinsic Religion, Extrinsic Religion, Psychology of Religion, Religious Motivation, Psychometrics, Scale Validation, Orthogonal Orientation, Proreligious Typology
3. Authors
The Religious Orientation Scale was developed by Gordon Willard Allport (1897–1967) and J. Michael Ross. Gordon Allport was a preeminent American psychologist and one of the founding fathers of personality psychology, who served as a longtime professor of psychology at Harvard University and president of the American Psychological Association (APA). J. Michael Ross was a research collaborator affiliated with Harvard University during the development and empirical standardization of the scale. Historical correspondence and archival inquiries regarding Allport’s psychometric papers are stewarded via the Department of Psychology at Harvard University and the Harvard University Archives in Cambridge, Massachusetts.
4. Purpose
The primary purpose of the Religious Orientation Scale is to assess the underlying motivational mechanisms and subjective orientations that guide an individual’s religious beliefs, behaviors, affiliations, and attitudes. Rather than quantifying nominal religious affiliation, denominational creed, or sheer frequency of devotional practices, the ROS seeks to uncover the psychological why behind religious adherence. It was designed to resolve a persistent empirical paradox in mid-twentieth-century social psychology: the puzzling observation that frequent churchgoers systematically exhibited higher levels of racial, ethnic, and social prejudice and ethnocentrism than non-churchgoers, despite Christian theological doctrines explicitly advocating universal charity and brotherhood.
Allport theorized that “religion” could not be treated as a unitary psychological variable. To evaluate how faith intersects with personality and social behavior, researchers needed an instrument capable of differentiating genuine, internalized spiritual commitment from utilitarian, instrumental church involvement. In research contexts, the ROS is utilized extensively to model relationships between religious motivation and social attitudes, authoritarianism, dogmatism, altruism, existential well-being, coping with physical illness, and clinical indices of psychological distress. In clinical and counseling settings, the scale provides pastoral counselors, health psychologists, and clinicians with valuable diagnostic insights regarding whether a client’s religious framework functions as an adaptive, integrating life philosophy or as an externalized, defensive mechanism associated with guilt, anxiety, and social conformity.
5. Psychological Construct
The ROS assesses religious sentiment as a multidimensional motivational construct. Rooted in Allport’s evolution of thought from his 1950 treatise The Individual and His Religion through his 1967 empirical formulation with Ross, the scale delineates two core constructs:
Intrinsic Religious Orientation
Intrinsic religious orientation operationalizes religion as an ultimate end in itself—what Allport and Ross described as a “master motive.” An intrinsically oriented person embraces their creed without utilitarian reservation, assimilating its values into the core of their identity and attempting to live out its ethical demands comprehensively across everyday interactions. Religion is not subordinated to mundane human needs; rather, other personal needs are subordinated to spiritual values. Such individuals find their primary meaning, direction, and existential framework within their faith tradition. Key conceptual markers include:
- Centrality: Faith serves as the foundational interpretive lens behind one’s entire approach to living.
- Internalized Devotion: Private devotional habits (such as personal prayer and contemplative meditation) hold profound emotional significance independent of public recognition.
- Pervasiveness: Religious considerations dynamically guide decision-making in personal, civic, and professional spheres.
Extrinsic Religious Orientation
Extrinsic religious orientation operationalizes religion as an instrumental means toward self-serving, secular ends. The extrinsically oriented person “uses” religion to achieve non-religious goals, such as personal comfort, reassurance in times of crisis, social status, networking, family respectability, or community prestige. Religious values are held tangentially, compartmentalized, and readily compromised if they conflict with secular interests or socio-economic well-being. Subsequent factor-analytic work (e.g., Kirkpatrick, 1989; Gorsuch & McPherson, 1989) confirmed that extrinsic motivation bifurcates into two distinct sub-facets:
- Extrinsic-Personal (Ep): Utilizing religious beliefs and prayer as a psychological coping mechanism to obtain relief, solace, emotional protection, and peace of mind during times of suffering or misfortune.
- Extrinsic-Social (Es): Utilizing institutional church membership and religious gatherings to fulfill social affiliative needs, foster interpersonal relationships, and bolster community standing.
6. Theoretical Framework
The theoretical bedrock of the ROS rests upon Gordon Allport’s developmental theory of personality and his distinction between “mature” and “immature” religious sentiment. In The Individual and His Religion (1950), Allport conceptualized the mature religious sentiment as: (1) well-differentiated and critically embraced, (2) dynamic and motivational in its own right, (3) productive of a consistent, personal moral code, (4) comprehensive across all areas of life, (5) integral in assimilating new information and divergent perspectives, and (6) fundamentally heuristic, meaning it is held with deep commitment while remaining open to intellectual re-examination. Conversely, immature religious sentiment was characterized by self-centeredness, compartmentalization, magical thinking, authoritarian conformity, and defensive comfort-seeking.
In subsequent formulations (Allport, 1966; Allport & Ross, 1967), the mature-immature dichotomy was formally translated into the psychometric constructs of intrinsic and extrinsic orientations. The core theoretical premise shifted toward motivational primacy: whether faith functions as “servant or master,” “peripheral or central,” and “instrumental or ultimate.” Allport assumed that genuine spiritual maturation involves shifting from utilitarian motives (seeking tribal protection and status) to an ultimate commitment where the individual’s life is devoted to transcendent values. This theoretical formulation asserted that true intrinsic religion is intrinsically incompatible with bigotry, predicting that intolerance observed among churchgoers stemmed entirely from an extrinsic posture toward faith.
7. Validity
Extensive empirical investigations spanning several decades have examined the construct, convergent, discriminant, and criterion-related validity of the ROS.
Construct and Structural Validity
A critical structural controversy emerged regarding whether extrinsic and intrinsic orientations represent opposite poles of a single continuous dimension or two orthogonal dimensions. Allport and Ross (1967) originally anticipated a strong, inversely linear correlation. However, empirical studies in general populations have consistently yielded near-zero linear correlations (e.g., r = -.05 to .15). Donahue’s (1985b) meta-analytic review revealed that a true inverse relationship emerges primarily within theologically conservative or sectarian samples where strict doctrinal adherence discourages utilitarian motivations. Furthermore, Burris (1994) demonstrated that this near-zero linear association frequently conceals an underlying curvilinear relationship: among respondents scoring below the Intrinsic scale neutral point, extrinsic and intrinsic scores correlate positively (reflecting general non-religiosity or secular rejection of both forms of motivation), whereas above the Intrinsic midpoint, a distinct negative trajectory appears.
Convergent and Discriminant Validity
The Intrinsic scale demonstrates substantial convergent validity with measures of devotional frequency, subjective importance of religion, doctrinal adherence, and existential purpose in life (correlating positively with the Crumbaugh and Maholick Purpose in Life Test). It correlates negatively or neutrally with clinical indices of severe anxiety and depression. Conversely, the Extrinsic scale exhibits convergent validity with trait anxiety, external locus of control, dogmatism, fear of death, and psychological distress. Experimental work by Burris, Batson, and Wagoner (1992) affirmed construct validity by demonstrating that manipulating an ego-threatening condition led directly to elevated scores on the Extrinsic-Personal subscale as participants turned to religious thoughts for immediate comfort.
Criterion-Related Validity and Prejudice
The primary criterion test of the ROS in Allport and Ross’s (1967) founding study examined racial and ethnic prejudice. Utilizing a median-split classification, Allport and Ross categorized respondents into four typologies: (1) Extrinsics (high Extrinsic, low Intrinsic), (2) Intrinsics (low Extrinsic, high Intrinsic), (3) Indiscriminately Proreligious (high Extrinsic, high Intrinsic), and (4) Indiscriminately Antireligious (low Extrinsic, low Intrinsic). Results indicated that Intrinsics consistently displayed the lowest prejudice scores, pure Extrinsics exhibited elevated prejudice, and the Indiscriminately Proreligious scored the highest across multiple measures of social intolerance. Later research, however, revealed that while intrinsic religion strongly inhibits overt, socially condemned prejudice, it may correlate with subtle prejudice or intolerance toward groups whose lifestyles directly conflict with traditional religious doctrines (Batson & Burris, 1994).
8. Reliability
The psychometric reliability of the Religious Orientation Scale has been evaluated across hundreds of published studies, demonstrating distinct internal consistency profiles across its subscales:
- Intrinsic Orientation Subscale: Consistently yields high internal reliability. Cronbach’s alpha coefficients routinely range from .81 to .87 in adult and collegiate samples (Donahue, 1985a; Gorsuch & McPherson, 1989). Test-retest reliability assessments demonstrate strong temporal stability, with Burris and Tarpley reporting a two-week coefficient of r = .84 (N = 61).
- Extrinsic Orientation Subscale: Exhibits lower and more modest internal consistency, typically yielding Cronbach’s alphas between .68 and .74 (Donahue, 1985a). Two-week test-retest reliability is adequate at approximately r = .78. Psychometricians note that the lower internal consistency of the Extrinsic scale is not necessarily an indicator of poor item construction, but rather an inevitable consequence of its broad multidimensionality—combining items that index personal psychological solace alongside items capturing overt social opportunism.
9. Factor Analysis
Decades of exploratory factor analysis (EFA) and confirmatory factor analysis (CFA) have rigorously scrutinized the latent structure of the ROS:
Dimensionality of the Intrinsic Subscale
In most factor-analytic studies, the Intrinsic scale items load reliably onto a single primary factor representing centralized religious commitment, with factor loadings typically ranging from .45 to .78. When factor-analyzed in broader batteries of general religiousness, intrinsic items occasionally cross-load onto factors indexing general religious involvement or traditional orthodoxy, leading critics such as Hunt and King (1971) to question its distinctiveness from general religious commitment.
Multidimensionality of the Extrinsic Subscale
Factor analyses of the Extrinsic subscale have repeatedly demonstrated that it is not unidimensional. Landmark studies by Kirkpatrick (1989) and Gorsuch and McPherson (1989) demonstrated through both EFA (varimax and oblimin rotations) and CFA that extrinsic items naturally bifurcate into two distinct second-order factors:
- Extrinsic-Personal (Ep): Items reflecting prayer for protection, solace during grief, and emotional peace (e.g., items 3, 5, and 11) load strongly on this factor (loadings typically .60–.80).
- Extrinsic-Social (Es): Items tapping church participation as a congenial social club, community status marker, and relationship venue (e.g., items 4, 8, and 10) load onto a separate social factor (loadings typically .55–.75).
Confirmatory factor analytic investigations evaluating three-factor models (Intrinsic, Extrinsic-Personal, Extrinsic-Social) consistently show superior fit indices (RMSEA < .06, CFI > .92, TLI > .90) compared to original two-factor models (RMSEA > .09, CFI < .82).
10. Instrument / Measurement Tool
- Test Type: Self-report psychological questionnaire / attitude rating scale.
- Administration Format: Paper-and-pencil or computer-administered interactive survey; individual or group testing.
- Target Population: Adolescents and adults with a reading proficiency level equivalent to high school grade level (for younger or general populations, the Gorsuch & Venable 1983 “Age-Universal” revision is recommended).
- Item Count: 20 items in the standard version (11 Extrinsic items, 9 Intrinsic items; an optional 12th Extrinsic item from Feagin 1964 is occasionally appended).
- Response Scale: 5-point Likert scale (1 = Strongly Disagree, 2 = Disagree, 3 = Neutral / Undecided, 4 = Agree, 5 = Strongly Agree). Some researchers (e.g., Batson, 1976) employ an expanded 9-point scale.
- Scoring Rules:
- Subscales are calculated separately; items should not be combined into a single composite score.
- Extrinsic Score: Sum or mean of the 11 Extrinsic items (Score range: 11–55 for raw sum on a 5-point scale; 1.0–5.0 if using item mean).
- Intrinsic Score: Sum or mean of the 9 Intrinsic items (Score range: 9–45 for raw sum on a 5-point scale; 1.0–5.0 if using item mean).
- Typology Classification: When typologies are constructed, researchers should utilize theoretical scale midpoints (e.g., 3.0 on a 5-point scale) rather than sample-dependent median splits to permit valid cross-sample comparisons.
11. Permissions & Fee and Test Year
The Religious Orientation Scale was initially formulated and published in 1967 by Gordon W. Allport and J. Michael Ross in the Journal for the Scientific Study of Religion. The instrument is considered an open, non-commercial academic psychometric instrument available for scholarly research, educational purposes, and empirical investigation without licensing fees. While no formal commercial publisher restricts general academic deployment, ethical psychometric standards require appropriate academic citation of Allport and Ross (1967) and associated subsequent psychometric adaptations.
12. References
- Allport, G. W. (1950). The Individual and His Religion: A Psychological Interpretation. Macmillan.
- Allport, G. W. (1966). The religious context of prejudice. Journal for the Scientific Study of Religion, 5(3), 447–457. https://doi.org/10.2307/1384172
- 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. (1976). Religion as prosocial: Agent or double agent? Journal for the Scientific Study of Religion, 15(1), 29–45. https://doi.org/10.2307/1384312
- Batson, C. D., & Burris, C. T. (1994). Personal religion: Depressant or stimulant of prejudice and discrimination? In M. P. Lynn & D. O. Moberg (Eds.), Research in the Social Scientific Study of Religion (Vol. 6, pp. 149–169). JAI Press.
- Batson, C. D., Schoenrade, P. A., & Ventis, W. L. (1993). Religion and the Individual: A Social-Psychological Perspective. Oxford University Press.
- Burris, C. T. (1994). Curvilinearity and religious types. Journal for the Scientific Study of Religion, 33(3), 244–260. https://doi.org/10.2307/1386689
- Burris, C. T., Batson, C. D., & Wagoner, C. (1992). “Intrinsic” religion and prosocial behavior: New wine in old wineskins? Journal for the Scientific Study of Religion, 31(2), 220–229. https://doi.org/10.2307/1387010
- Burris, C. T., Jackson, L. M., Tarpley, W. R., & Smith, G. J. (1996). Religion as a quest: A component of religious orientation. Journal of Personality and Social Psychology, 70(5), 1068–1086. https://doi.org/10.1037/0022-3514.70.5.1068
- Donahue, M. J. (1985a). Intrinsic and extrinsic religiousness: Review and meta-analysis. Journal of Personality and Social Psychology, 48(2), 400–419. https://doi.org/10.1037/0022-3514.48.2.400
- Donahue, M. J. (1985b). Intrinsic and extrinsic religiousness: The empirical research. Journal for the Scientific Study of Religion, 24(4), 418–428. https://doi.org/10.2307/1385994
- Feagin, J. R. (1964). Prejudice and religious types: A focused study of southern fundamentalists. The Journal for the Scientific Study of Religion, 4(1), 3–13. https://doi.org/10.2307/1385199
- Genia, V. (1993). A psychometric evaluation of the Allport-Ross I/E Scale in a religiously heterogeneous sample. Journal for the Scientific Study of Religion, 32(3), 284–290. https://doi.org/10.2307/1386667
- Gorsuch, R. L., & McPherson, S. E. (1989). Intrinsic/extrinsic measurement: I/E-revised and single-item scales. Journal for the Scientific Study of Religion, 28(3), 348–354. https://doi.org/10.2307/1386745
- Gorsuch, R. L., & Venable, G. D. (1983). Development of an “Age Universal” I-E scale. Journal for the Scientific Study of Religion, 22(2), 181–187. https://doi.org/10.2307/1385677
- Hunt, R. A., & King, M. B. (1971). The intrinsic-extrinsic concept: A review and evaluation. Journal for the Scientific Study of Religion, 10(4), 339–356. https://doi.org/10.2307/1384780
- Kirkpatrick, L. A. (1989). A psychometric analysis of the Allport-Ross and Feagin measures of intrinsic-extrinsic religious orientation. In Research in the Social Scientific Study of Religion (Vol. 1, pp. 1–31). JAI Press.
- Kirkpatrick, L. A., & Hood, R. W. (1990). Intrinsic-extrinsic religious orientation: The boon or bane of contemporary psychology of religion? Journal for the Scientific Study of Religion, 29(4), 442–462. https://doi.org/10.2307/1387311
- Wulff, D. M. (1997). Psychology of Religion: Classic and Contemporary (2nd ed.). John Wiley & Sons.