Religious Identification Scale of the MMPI

Abstract

The Minnesota Multiphasic Personality Inventory (MMPI) Religious Identification Scale (RI) is a specialized 12-item content-referenced psychometric scale developed by James H. Panton in 1979. Created within a state correctional setting, the instrument was engineered to assess an individual’s adherence to, belief in, and behavioral participation in religious practices and ethical frameworks, irrespective of specific sectarian or denominational affiliation. Drawing from the original 550-item MMPI item pool—specifically Category 15 (“Religious Attitudes,” originally comprising 19 items)—Panton utilized rational-intuitive selection criteria to isolate items reflecting genuine religious engagement while deliberately eliminating items suggestive of florid psychiatric disturbance, magical thinking, or idiosyncratic fundamentalist dogmatism. The resulting unifactorial scale employs a dichotomous True/False self-report format, yielding raw scores ranging from 0 to 12. Psychometrically, the RI scale was established primarily through the method of contrasted groups within carceral populations, differentiating between institutionalized offenders demonstrating positive behavioral adjustment versus those exhibiting severe disciplinary maladjustment and institutional infractions. Empirical evaluations demonstrated that an optimal cut score of 7 successfully classified between 89% and 95% of adjusted and maladjusted inmates across derivation and cross-validation cohorts. Later research by Megargee and Carbonell (1985) expanded its construct and criterion validity, documenting significant inverse correlations between RI scores and prison infractions, disciplinary segregation, escape liability, recidivism indices, and habitual criminalism, alongside positive associations with correctional staff adjustment ratings and institutional work performance. Following the restructuring of the inventory during the development of the MMPI-2 in 1989, most items comprising the RI were omitted due to sensitivity and psychometric concerns regarding religious content, rendering the scale an essential historical milestone in correctional assessment, the psychology of religion, and forensic behavioral prediction.

Keywords

Religious Identification Scale, MMPI, James H. Panton, correctional psychology, prison adjustment, psychology of religion, forensic assessment, behavioral prediction, religiosity measurement, institutional misconduct, item content scale, contrasted groups validity

Authors

The Religious Identification Scale (RI) was developed by James H. Panton, Ph.D., who served as a senior prison psychologist at the Central Prison in Raleigh, North Carolina, and contributed extensively to correctional psychometrics, specialized MMPI subscales, and the behavioral assessment of institutional adjustment in incarcerated populations.

Primary Author Affiliation at time of scale development:
Correctional Psychology Services, North Carolina Department of Correction, Central Prison, Raleigh, North Carolina, United States.

Purpose

The Religious Identification Scale was developed to address a critical empirical and clinical challenge in correctional psychology: predicting institutional adjustment versus maladjustment among newly admitted or incarcerated adult offenders. In the correctional milieu of the mid-to-late twentieth century, clinicians routinely grappled with identifying inmates at elevated risk for violent infractions, noncompliance, psychological decompensation, suicide attempts, and disciplinary segregation. Prior clinical observations and unpublished institutional data gathered by Panton indicated that inmates who demonstrated sustained, active involvement in religious practices and adhered to ethical religious doctrines prior to their incarceration acclimated to the rigid demands of confinement far more effectively than their non-religious peers.

Panton hypothesized that religious identification functioned as an internal psychological stabilizer, conferring moral restraint, behavioral regulation, prosocial coping strategies, and existential resilience in the face of sensory deprivation, institutional stress, and peer conflict. Consequently, the primary objective of developing the RI scale was to extract a clean, non-pathological index of religious adherence directly from the widely administered standard MMPI protocol. This eliminated the logistical and clinical burden of administering separate, supplemental psychometric inventories to assess religious or moral variables.

From a clinical and applied forensic perspective, the RI scale serves several operational functions:

• Classification and Risk Stratification: Providing classification committees and institutional clinicians with an objective prognostic indicator of behavioral conformity, compliance with custodial routines, and vulnerability to disciplinary infractions.
• Intervention and Treatment Planning: Assisting prison chaplains, psychologists, and rehabilitation specialists in identifying offenders who might benefit from faith-based rehabilitative programming, pastoral counseling, and structured prosocial community groups.
• Forensic Research: Providing empirical researchers with an objective tool to investigate the protective mechanisms of spiritual and religious constructs in mitigating criminal recidivism, institutional violence, and post-release re-offending.

Psychological Construct

The psychological construct evaluated by the Religious Identification Scale is conceptualized as an individual’s conscious self-identification with, internal commitment to, and active behavioral participation in institutionalized religious traditions, moral doctrines, and spiritual practices, independent of particular theological dogmas or sectarian affiliations. In the psychology of religion, the construct encompasses both intrinsic religiosity (the internalized framework of ultimate meaning, divine accountability, and moral obligation) and behavioral religiosity (observable habits of worship, devotional reading, prayer, and community fellowship).

Panton delineated the operational boundaries of this construct across two distinct interpretive poles:

• Elevated Scores (High RI): High scores denote an active cognitive acceptance of divine authority, a sense of transcendent purpose, habitual engagement in devotional practices (such as regular scripture reading and private prayer), active church attendance, and an overarching ethical framework that guides interpersonal duty and personal accountability. Within a total institution such as a prison, high scorers manifest internal behavioral inhibition, respect for normative authority structures, prosocial fatalism or acceptance, and an internalized locus of moral responsibility.
• Depressed Scores (Low RI): Low scores reflect an absence of religious identification, pervasive skepticism, moral detachment, indifferent or hostile attitudes toward organized worship, and an explicit rejection of divine guidance. In criminal justice samples, low scorers often present with heightened antisocial traits, impulsivity, disregard for external or institutional rules, and an absence of the existential coping mechanisms often observed in religiously committed individuals.

The construct deliberately excludes pathological or eccentric expressions of spiritual phenomena. For example, magical ideation, somatic hallucinations, and persecutory religious delusions (e.g., beliefs involving bodily disembodiment or demonic possession) are screened out. The scale taps the normative psychological dimensions of religious coping, ethical socialization, and structured spiritual adherence.

Theoretical Framework

The theoretical architecture of the RI scale is situated at the confluence of social control theory, cognitive behavioral theories of stress coping, and the classical psychology of religion pioneered by William James and later refined by Gordon Allport. In his seminal formulation of religious sentiment, Allport conceptualized mature, intrinsic religion as a comprehensive, unifying philosophy of life that directs personal conduct, tempers selfish drives, and fosters social integration. In contrast to extrinsic religion—which uses faith as an instrumental means to pragmatic ends—intrinsic identification embeds the individual within a moral matrix that governs daily self-regulation.

Within forensic sociology and criminology, Travis Hirschi’s Social Control Theory posits that criminal and deviant behavior proliferates when an individual’s bond to conventional society is weakened or severed. This bond consists of four interrelated elements: attachment to significant others, commitment to long-term conventional goals, involvement in legitimate conventional activities, and belief in a common moral order. Panton’s operationalization of religious identification maps directly onto these dimensions:

• Belief: Accepting an ultimate transcendent authority, an afterlife, and explicit moral strictures reinforces an internal cognitive barrier against predatory, antisocial, or disruptive conduct.
• Involvement and Commitment: Consistent participation in worship services, communal prayer, and scriptural study occupies discretionary time and social energy, diminishing opportunities for engaging in institutional counter-cultures, contraband networks, or violent disputes.
• Attachment: Religious fellowship connects the individual to prosocial reference groups, mitigating the acute isolation and demoralization inherent in custodial environments.

Furthermore, psychological coping theories (e.g., Lazarus & Folkman; Pargament) indicate that religious schemas offer powerful cognitive reappraisal mechanisms. When subjected to the acute stressors of institutional incarceration—loss of autonomy, depersonalization, threats to physical safety, and social isolation—inmates with high religious identification can reframe suffering as redemptive, punitive yet spiritually corrective, or purposeful under divine providence. This buffering effect mitigates reactive aggression, despair, and disruptive institutional noncompliance.

Validity

The psychometric validity of the RI scale has been demonstrated across multiple investigative paradigms, focusing primarily on content validity, criterion-related validity through the method of contrasted groups, and convergent/discriminant validity with external indices of institutional conduct.

Content and Face Validity

Content validity was established through rational-intuitive evaluation of the 19 religious items situated within Category 15 of Hathaway and McKinley’s original MMPI item pool. Panton systematically evaluated each statement against two exclusionary criteria:

1. The elimination of items reflecting psychotic symptom formation or florid psychiatric contamination (e.g., rejecting Item 37: “My soul sometimes leaves my body”).
2. The exclusion of sectarian dogmas or esoteric theological viewpoints that were unrepresentative of broad religious adherence.

The retained 12 items exhibited strong face validity, directly querying observable spiritual behaviors (such as prayer, church attendance, and scripture reading) and core theological beliefs (including the existence of God, an afterlife, and moral accountability).

Criterion-Related and Contrasted Groups Validity

Panton (1979) established empirical criterion validity by contrasting two clearly differentiated correctional cohorts:

• Derivation Sample: In an initial cohort of 234 adult male state prison inmates, 117 inmates identified as experiencing severe institutional maladjustment (referred for formal psychiatric and behavioral intervention) were contrasted with 117 well-adjusted inmates matched for custodial status. The adjusted cohort achieved a mean RI raw score of 8.8 (SD = 1.5; range = 5–12), whereas the maladjusted group obtained a mean score of 4.0 (SD = 1.9; range = 0–8). This mean difference yielded a statistically significant separation: t = 21.34, p < .001. Using a classification cut-off score of 7 (where scores ≥ 7 indicate positive identification), the scale correctly categorized 89% of the maladjusted inmates and 95% of the adjusted inmates.
• Cross-Validation Sample: A second, independent sample of 200 male inmates (100 adjusted and 100 maladjusted) corroborated these findings. The adjusted group demonstrated a mean score of 9.1 (SD = 1.5), while the maladjusted group exhibited a mean of 4.6 (SD = 1.7), yielding a t-statistic of 20.45 (p < .001). The optimal cut score of 7 replicated high classification accuracy, successfully identifying 90% of maladjusted and 94% of adjusted offenders.

External Correlational and Construct Validity

In a large-scale investigation, Megargee and Carbonell (1985) examined the psychometric utility of several MMPI correctional scales among 1,214 federally incarcerated male offenders (mean age = 22.2 years; 64% White, 35% Black). The RI scale demonstrated meaningful, statistically significant negative correlations with institutional maladjustment metrics:

• Screening measures of general prison maladjustment: r = -.33
• Escape potential / escape liability index: r = -.25
• Habitual criminalism / career delinquency scales: r = -.18
• General recidivism risk indicators: r = -.18
• Disciplinary infractions and days spent in disciplinary segregation: moderate inverse correlations.

Conversely, the RI demonstrated positive associations with behavioral ratings assigned by prison staff and supervisor evaluations of institutional work performance, confirming its utility as an indicator of behavioral compliance.

Reliability

Classical psychometric indices of reliability, including internal consistency (Cronbach’s coefficient alpha) and test-retest temporal stability coefficients, were not formally published in Panton’s (1979) initial scale development report, nor were they detailed in Megargee and Carbonell’s (1985) correctional validation study. This omission reflected the predominantly empirical and operational methodology prevalent in MMPI subscale construction during that era, where criterion discrimination often took precedence over homogeneous latent-trait modeling.

Nevertheless, inferences regarding the internal coherence of the RI scale can be derived from its high item overlap with Wiggins’s (1966) Religious Fundamentalism Scale (REL). The RI shares 10 of its 12 items with Wiggins’s 12-item REL scale. In extensive standardization studies of the MMPI item pool, Wiggins’s content scales consistently demonstrated moderate to high internal consistency, with alpha coefficients typically ranging between .70 and .82 across psychiatric, collegiate, and normal reference samples. Given that the RI retained the central core of these items while eliminating two overly rigid fundamentalist statements, its internal consistency is psychometrically comparable. Furthermore, research examining the temporal stability of MMPI religious attitudes items has shown high test-retest stability (r > .80 over multi-week intervals) among adult respondents, indicating that self-reported religious convictions and habits represent stable dispositional traits rather than fleeting state fluctuations.

Factor Analysis

Exploratory factor analyses across the broader MMPI item pool—most notably investigations conducted by Wiggins (1966) and Tryon, Stein, and Chu (1966)—consistently identified a clear, distinct factor corresponding to manifest religious belief and ethical traditionalism within Category 15. When subjected to principal component analysis, the items comprising the RI scale load heavily on a primary unifactorial construct characterized by orthodox Judeo-Christian theology and devotional practices.

Structural examination of the 12 items reveals two cohesive item clusters loading on this single overarching dimension:

• Orthodox Doctrinal Endorsement: Items assessing cognitive assent to foundational theological tenets, including the existence of a supreme deity, belief in the afterlife, the second coming of Christ, biblical miracles, and the reality of divine judgment. These items exhibit factor loadings generally exceeding .55 on the primary religious identification dimension.
• Behavioral Devotional Practice and Moral Commitment: Items capturing behavioral routines, including weekly church attendance, habitual personal prayer, frequent Bible reading, and adherence to an inspired life program rooted in personal duty. These items demonstrate high communalities, anchoring the behavioral expression of the latent religious construct.

Confirmatory investigations into MMPI-derived religious scales demonstrate that these items operate independently from general neuroticism, psychoticism, or hypochondriasis factors, confirming the multidimensional independence of religious identification from psychiatric morbidity.

Instrument / Measurement Tool

The Religious Identification Scale (RI) is a specialized, objective self-report content scale embedded within the full-length original MMPI (566 items). Below is the structural summary of the instrument:

• Test Type: Objective, content-referenced psychological screening scale.
• Format: Dichotomous self-report inventory (True / False).
• Item Count: 12 items.
• Target Population: Adult criminal justice populations, prison inmates, and general clinical groups undergoing MMPI assessment.
• Reading Level: Sixth-grade reading level required for standard MMPI administration.
• Administration Time: Administered as part of the complete MMPI battery (typically 60 to 90 minutes). Isolated administration of the 12 items requires approximately 3 to 5 minutes.
• Scoring Procedure:
  • Ten items are keyed True for religious identification: Items 95, 98, 115, 232, 249, 258, 373, 483, 488, and 490.
  • Two items are keyed False: Items 369 and 491.
  • Each keyed response receives a value of 1 point. Raw scores range from 0 to 12.
  • Higher raw scores indicate greater religious identification, moral commitment, and devotional involvement.
• Standardization & Conversions: Panton (1979) established raw-score cutoffs and linear T-score conversion tables (Mean = 50, SD = 10) derived from prison cohorts. A cut-off raw score of ≥ 7 serves as the primary threshold denoting adequate religious identification and positive institutional adjustment prognosis.
• Validity Corrections: Unlike the standard clinical scales of the MMPI (e.g., Scale 1, Scale 4, Scale 7), the RI incorporates no internal K-correction or suppression weighting for defensive posturing or self-favorableness. Scores must be interpreted in conjunction with standard MMPI validity indicators (L, F, and K scales).

Permissions & Fee and Test Year

The Religious Identification Scale was formulated and published by James H. Panton in 1979 in the Journal of Clinical Psychology. The constituent items of the RI were drawn directly from the original Minnesota Multiphasic Personality Inventory, first copyrighted in 1942 and 1943 (renewed 1970) by the University of Minnesota.

Licensing and Commercial Restrictions: The MMPI instrument and its original item pool are proprietary and copyrighted by the Regents of the University of Minnesota and distributed commercially by NCS Pearson (Pearson Assessments). Commercial administration, scoring, and formal use require authorized purchasing rights and professional credentialing (Qualification Level C). In 1989, the MMPI underwent major standardization and re-norming, culminating in the release of the MMPI-2 (Butcher et al., 1989). During this revision, virtually all items composing the RI scale were permanently excised from the instrument pool due to concerns regarding sectarian bias, religious privacy, and institutional controversy. Consequently, the RI cannot be calculated or scored from standard MMPI-2, MMPI-2-RF, or MMPI-3 protocols, remaining a specialized metric historically tied to the original MMPI item composition.

References

Butcher, J. N., Dahlstrom, W. G., Graham, J. R., Tellegen, A., & Kaemmer, B. (1989). Minnesota Multiphasic Personality Inventory-2 (MMPI-2): Manual for administration and scoring. University of Minnesota Press.

Hathaway, S. R., & McKinley, J. C. (1940). A multiphasic personality schedule (Minnesota): I. Construction of the schedule. Journal of Psychology, 10(2), 249–254. https://doi.org/10.1080/00223980.1940.9917000

Hathaway, S. R., & McKinley, J. C. (1951). The Minnesota Multiphasic Personality Inventory manual (Revised). The Psychological Corporation.

Megargee, E. I., & Carbonell, J. L. (1985). Predicting prison adjustment with MMPI correctional scales. Journal of Consulting and Clinical Psychology, 53(6), 874–883. https://doi.org/10.1037/0022-006X.53.6.874

Panton, J. H. (1979). An MMPI item content scale to measure religious identification within a state prison population. Journal of Clinical Psychology, 35(3), 588–591. https://doi.org/10.1037/h0040683

Wiggins, J. S. (1966). Substantive dimensions of self-report in the MMPI item pool. Psychological Monographs: General and Applied, 80(22), 1–42. https://doi.org/10.1037/h0093863

Items of the Scale