Table of Contents
The Religious Identification Scale (RI) is an item content scale from the Minnesota Multiphasic Personality Inventory (MMPI: Hathaway & McKinley, 1951) developed by Panton (1979). The RI was in tended to reflect the individual's "identification with and participation in religious activities irrespective of faith or denomination within a faith" (Panton, 1979, p. 588). High RI scores imply belief in and identification with a religious faith as well as individual or collective participation in the worship tradition of that faith. Low RI scores reflect little or no participation in religious worship, lack of identification with religious principles and/or rejection of religion altogether (Panton, 1979).
Panton, a prison psychologist, had discovered from experience and previous unpublished research that inmates who had identified with and participated in religion prior to incarceration often made a more ade quate adjustment to prison confinement than inmates without such a religious identification. Panton reasoned that a measure of religious identification would facilitate prediction of adjustment versus maladjustment among the inmate population.
Hathaway and McKinley's (1940) original MMPI item pool of 550 statements were classified into 26 item categories. Category 15, "religious attitudes," was composed of 19 religious-content items. Panton (1979) subjected these items to rational-intuitive evaluation based on each item's manifest religious content. Five of the 19 items were rejected secondary to their implication of a psychotic illness (i.e., "my soul sometimes leaves my body"). Two additional items that reflected specific fundamentalist beliefs not shared by most faiths were also rejected. The remaining 12 items composed the RI scale (see appendix).
Approximately half the items reflect broad Judeo-Christian content, with the remaining items reflecting nonfaith-specific religious content. These items are spread throughout the MMPI and all items are scored 1 if true, with the exception of items 369 and 491, which are scored 1 if false. The RI shares 10 items in common with the Religious Fundamentalism Scale (REL: Wig gins, 1966) and it is unclear why Panton does not refer to the REL in his development of the RI. Given the significant item overlap between these scales, one must assume the REL and RI tap largely the same construct. However, two items contained in the REL and not the RI reflect more overt fundamentalist beliefs (i.e., "everything is turning out just as the prophets of the Bible said it would") and thus some distinction between scales may be warranted. The RI items ap pear congruent with the "identification" con struct or what may best be described as adherence to religious belief and behavior. Norms are reported in terms of raw scores, which range from O to 12 (higher scores indicating greater religious identification). Panton's (1979) article also offered a T-score conversion table for the RI scale.
Unfortunately, available normative data is based on standard administrations of the full MMPI. While no norms are available for separate administration of the RI items, research indicates minimal effects on results when single MMPI scales are administered separately (Perkins & Goldberg, 1964). The MMPI contains 566 items, which cover a range of subject matter from physical condition to the subject's moral and social attitudes. Time for administration varies but rarely exceeds 90 minutes. Subjects must have a sixth-grade reading level and are in structed to respond true or false to every item. The MMPI is easily self-administered and requires no extra instruction or supervision. RI scale scores must be obtained by hand scoring the 12 scale items. In contrast to the standard MMPI scales, no K-correction or other internal adjustment procedure is available to correct for self-favorableness versus self-criticalness on the RI scale. Due to their controversial nature, nearly all of the RI items were deleted during development of the MMPI-2 (Butcher, Dahlstrom, Graham, Tellegen, & Kaemmer, 1989), making it impossible to calculate the RI from MMPI-2 data.
The RI scale was normed on an initial sample of 234 male prison inmates (Panton, 1979). Panton did not report demographics such as age, race, education, or crime classification for the sample. One hundred seventeen of the in mates had been referred for evaluation due to difficulty adjusting to the prison environment (maladjusted sample). One hundred seven teen additional inmates were randomly selected from the population of inmates who had adequately adjusted to incarceration (adjusted sample). The mean RI score for the adjusted sample was 8.8 (SD = 1.5; Range = 5-12), whereas the mean for the maladjusted sample was 4.0 (SD = 1.9; Range = 0-8). A second "validation" study was reported by Panton (1979) utilizing similar samples of adjusted (n = 100) and maladjusted (n = 100) prison inmates. In this study, the mean RI scores were 9.1 (SD = 1.5) for the adjusted group and 4.6 (SD= 1.7) for the maladjusted group. The only other study to employ the RI scale (Megargee & Carbonell, 1985) also utilized a prison population. In a sample of 1,214 male offenders, the mean age was 22.2, the mean Beta I.Q. was 100.83, and the mean highest school grade attended was 9.85. Sixty-four percent of the sample were white and 35% were black. The authors reported a mean T score on the RI of 52.89 (SD = 14.21). Additionally, the mean score for black inmates (54.32) was significantly higher than the mean score among white in mates (52.12) at the .0 l level of significance.
Neither the original development study by Panton (l 979) nor the subsequent validation study (Megargee & Car bonell, 1985) offers information regarding the reliability of the RI.
In developing the Religious Identification scale, Panton (1979) attempted to ensure the scale's content or face validity through careful item selection. Panton 's only attempt at empirical validation of the RI involved a demonstration of criterion-related validity using the method of contrasted groups. Utilizing distinct groups of adjusted versus maladjusted prison inmates (described earlier in this review), Panton found that an RI cutting score of 7 success fully identified 89% of the maladjusted and 95% of the adjusted sample. Between-group differences in mean RI scores were significant (t = 21.34, p < .001). A second study with similar prison samples confirmed these findings, with the RI effectively identifying 90% of a maladjusted sample and 94% of an adjusted sample (t = 20.45, p < .001).
Further validity was established by Megargee and Carbonell (l 985), who re ported negative correlations between the RI and screening measures of prison maladjustment (-.33), recidivism (-.18), escape probability (-.25), and habitual criminalism (-.18). In addition, the RI demonstrated moderate negative correlations with rate of infractions and days in segregation and small positive correlations with adjustment ratings by prison staff and work performance.
MMPI Religious Identification Scale
I believe in a life hereafter.
I have been inspired to a program of life based on duty which I have since carefully followed.
I believe there is a Devil and a Hell in afterlife.
I believe there is a God.
Religion gives me no worry.
I feel sure that there is only one true religion.
Christ performed miracles such as changing water into wine.
I pray several times every week.
I read the Bible several times a week.
I have no patience with people who believe there is only one true religion.
Panton, J. H. (1979). An MMPI item content scale to measure religious identification within a state prison population. Journal of Clinical Psychology, 35, 588-591.
Hathaway, S. R., & McKinley, J.C. (1951). The Minnesota Multiphasic personality inventory man ual-revised. New York: The Psychological Corporation.
Megargee, E. I., & Carbonell, J. L. (1985). Predicting prison adjustment with MMPI correctional scales. Journal of Consulting and Clinical Psychology, 53, 874-883.
Butcher, J. N., Dahlstrom, W. G., Graham, J. R., Tellegen, A., & Kaemmer, B. (1989). Minnesota Multiphasic Personality lnventory-2 (MMPl-2): Manual for administration and scoring. Minneapo lis: University of Minnesota Press.
Hathaway, S. R., & McKinley, J. C. (1940). A multiphasic personality schedule (Minnesota): I. Construction of the schedule. Journal of Psychology, JO, 249-254.
Perkins, S. R., & Goldberg, L. R. (1964). Con textual effects of the MMPI. Journal of Consulting Psychology, 28, 133-140.
Wiggins, J. S. (1966). Substantive dimensions of self-report in the MMPI item pool. Psychological Monographs: General and Applied, 80, (22, whole no. 630).