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Assessing psychopathic personality traits with the MMPI-2.

In this study, we examined the utility of the MMPI-2 (Butcher et al., 2001) in assessing psychopathic personality traits. We explored whether MMPI-2 scales that measure affective and interpersonal traits add to the instrument's social deviance measures in assessing global psychopathy and its two facets. Our study of 281 male and female college students indicates that the MMPI-2 Social Deviance scales (e.g., Clinical Scales 4 and 9, ASP) predict substantial variance in the social deviance factor and affiliated subscales of the Psychopathic Personality Inventory (PPI; Lilienfeld & Andrews, 1996), whereas MMPI-2 measures of affective and interpersonal functioning predict substantial variance in the affective-interpersonal PPI factor. In addition, the results of two regression models indicate that the Restructured Clinical scales provide the most parsimonious assessment of psychopathic personality traits.

Adolescent↗

MMPI-2 at the crossroads: aging technology or radical retrofitting?

Paradigmatic shifts are uncommon in psychological assessment, which is often steeped more in tradition than innovative practices. The introduction of the Restructured Clinical (RC) Scales by Tellegen et al. (2003) represents a radical shift in the development and validation of the MMPI-2 (Butcher, Dahlstrom, Graham, Tellegen, & Kaemmer, 1989). In broadening the debate over the merit of the RC Scales, in this article, we examine current challenges to MMPI-2 interpretation including issues with discriminant validity and imprecision (e.g., standard errors of measurement). We evaluate the RC alternative in the context of these interpretive challenges. Although we note several improvements, the incremental validity for MMPI-2 interpretative statements remains to be established. MMPI-2 researchers may wish to test several innovative models for their comparative strengths in establishing scale properties and providing empirically based interpretations.

Female↗

The MMPI-2 Restructured Clinical (RC) Scales and restraints to innovation, or "what have they done to my song?".

Rogers, Sewell, Harrison, and Jordan (2006/this issue) largely replicate in an independent clinical sample the MMPI-2 Restructured Clinical (RC) Scales developed by Tellegen et al. (2003). Nichols (2006/this issue) raises numerous concerns about the development and utility of the RC Scales, which on close appraisal did not change our view that the scales are well conceived and potentially valuable to researchers and clinicians alike. We present two case studies in which the RC Scales helped clarify complex MMPI-2 (Butcher, Dahlstrom, Graham, Tellegen, & Kaemmer, 1989) profiles with multiple elevations on the Clinical, Content, Supplementary, and Personality Psychopathology Five (Harkness, McNulty, Ben-Porath, & Graham, 2001) scales. When interpretations refined by the RC Scales were discussed with the clients, each seemed to feel deeply understood. Reservations about instrument innovation can be appreciated as helping to counterbalance change and thereby ensure the MMPI-2's successful ongoing evolution. We discuss specific ways the MMPI-2 community could avoid polarization about the RC Scales.

Adult↗

Validity of an MMPI classification of problem drinker-drivers.

An empirical typology of problem drinker-drivers based on the Minnesota Multiphasic Personality Inventory (MMPI) was evaluated. Relationships were demonstrated between this typology and several kinds of external criteria: alcoholism symptoms, reasons for drinking, treatment participation and outcome and medical complications. Indicators of typological validity were further evaluated in the context of alternative means of scoring and categorizing MMPI profiles. Relationships of criteria with the drinker-driver typology were generally stronger than with other uses of the MMPI. They were, however, weaker than those formed with an unweighted combination of three scales: Psychopathic Deviate, Depression and the K (test-taking attitude) validity scales. Results suggest that the typology divides the population of drinking drivers meaningfully and more powerfully than several, but not all, alternative uses of MMPI profiles.

Adult↗

MMPI differences among Mexican-American male and female psychiatric inpatients.

The purpose of this study was to examine to what extent Mexican-American male and female psychiatric patients, who share similar DSM-III--R diagnoses, differ on the MMPI. Differences were found on the Infrequency, Masculinity-Femininity, and Paranoia scales, with the 39 men obtaining significantly higher scores than the 21 women. These results, while suggesting possible differences in the phenomenology of depression, also suggest that MMPI differences between Mexican-American men and women may be reflective of culturally-defined sex roles. These results, when taken within the context of Mexican-American MMPI literature, indicate that researchers should always attempt to account for "gender" when conducting cross-ethnic MMPI comparisons. The practice of grouping the MMPIs of Mexican-American men and women for comparison with other ethnic groups should be discontinued in favor of comparisons that consider the effects of gender and ethnicity.

Adult↗

MMPI characteristics of the DSM-III-R avoidant personality disorder.

The clinical description provided by the MMPI Scale 0 (Social Introversion, Si) reflects an apparent and striking affinity with the DSM-III--R concept of the avoidant personality disorder which was here investigated by comparing the MMPI variables of 22 avoidant with 60 other, nonavoidant personality disordered inpatients. Both of the groups were diagnosed by use of a semistructured interview (SCID-II). The avoidant group obtained for mean MMPI profile a 2-6-7 (D-Pa-Pt) code. Significant differences were found between groups on MMPI Scales 2 (D), 7 (Pt), 9 (Ma), and 0 (Si). ROC analysis of the diagnostic performance showed the importance and utility of the evaluation of Scale 0 (Si) in the psychodiagnostic assessment of the avoidant personality disorder.

Adult↗

Low MMPI diagnostic performance for the DSM-III--R obsessive-compulsive personality disorder.

This study investigated the diagnostic performance of the MMPI validity and clinical scales, and especially of Scale 7 (Pt), for the DSM-IIII--R obsessive-compulsive personality disorder by comparing the MMPI variables for 24 obsessive-compulsive with those for 58 nonobsessive-compulsive inpatients. Both groups were diagnosed by semistructured interview (SCID-II). The obsessive-compulsive group obtained for the mean MMPI profile a 2-(6-1) (D-Pa-Hs) code, with a tendency for a lowered Scale 4 (Pd) score, compared to the nonobsessive-compulsive group. Neither the ROC analysis of the individual MMPI scales, including Scale 7 (Pt), nor the analyses of frequency of two-point codes and elevated (T greater than 69) scales showed any clear indications of good diagnostic performance for the DSM-III--R obsessive-compulsive personality disorder.

Adolescent↗

MMPI-ER two-point codes of industrially injured Hispanic workers by DSM-III--R diagnosis.

The purpose of this study was to describe the MMPI-ER two-point codes of 492 Hispanic adults who had sustained work-related injuries and who had applied for workers' compensation benefits. More specifically, the focus was on whether there are unique MMPI two-point codes for Hispanic workers with three specific types of DSM-III--R diagnoses--adjustment disorder, anxiety disorder, and major depression. Analysis suggests that psychiatric condition or diagnosis may act as a moderator variable in Hispanic persons' MMPI performance, including MMPI two-point codes.

Accidents, Occupational↗

Correlations for scores on the 180-item version of the MMPI-2 and the Neuroticism scale of the NEO-Personality Inventory.

64 normal adult controls (53 men, 11 women; M age 45.2 yr.) in a study of an estuary-associated syndrome were administered the MMPI-2-180 and the Neuroticism scale from the NEO-Personality Inventory. Pearson product-moment correlations between MMPI-2 scales and the Neuroticism scale were similar to those reviously reported using the full-length MMPI. Correlations between MMPI-2 scales, D, Pt, Sc, and Si, and NEO-PI Neuroticism (range .44 to .52) suggest that many psychiatric conditions are associated with psychological distress of the type individuals high in trait neuroticism are prone to experience.

Adult↗

The original MMPI and Colligan Norms revisited.

Norms developed by Colligan, Osborne, Swenson, and Offord (1983) and others at the Mayo Clinic for the MMPI overcome criticisms that the MMPI is not useful in 2003 and representative. This study ascertained the classification of MMPI profiles of clinicians. Mayo Clinic norms are warranted in view of the similar classifications made using both methods based on the same MMPI data.

Adult↗

The MMPI-168 with inpatient drug abusers.

A retrospective study was done on the MMPI responses of 120 inpatient drug abusers, comparing the standard MMPI with a short form composed of the first 168 items. Scores "predicted" by the short form were highly correlated with actual scores, and the predicted and actual profile configurations were very similar. Regression equations derived from the data were comparable to those presented by other authors using different diagnostic groups; this suggests a rather stable relationship between the MMPI--168 and the standard MMPI. The use of the short form for drug-abuse patients is encouraged.

Adult↗

Some neurovegetative correlates of Minnesota Multiphasic Personality Inventory (MMPI)

In 57 patients with psicovegetative disorders and abnormal MMPI, abnormality in MMPI scales indicating hypochondriasis, hysteria, gender deviant, paranoia, psychastenia, schizophrenia, hypomania or introversion was accompanied by increased plasma catecholamine levels and/or responses to hypoglycemia or by an increased cardiovascular reactivity. A high depression scale was associated with lower plasma catecholamine levels. Blunted plasma growth hormone responses to hypoglycemia were found in abnormal hypomania scale, and augmented responses of plasma cortisol in abnormal hysteria or schizophrenia scales. Paranoia and hypomania traits correlated with absence of morning-evening differences in blood cortisol levels. Electrodermal responses compatible with increased sympathetic activity correlated with high hysteria, gender, paranoia, schizophrenia or hypomania MMPI scales. This study indicates that most psychopathological traits in MMPI are accompanied by humoral and/or electrophysiological signs of abnormality of the autonomic nervous system.

Adolescent↗

Is the MMPI invalid for assessing psychological disturbance in pain related organic conditions?

The Minnesota Multiphasic Personality Inventory (MMPI) was analyzed in 30 patients with fibromyalgia and 30 patients with rheumatoid arthritis (RA). Eighteen statements on the hypochondriasis, depression and hysteria scales and 14 statements on the schizophrenia scale differentiated patients with fibromyalgia and RA. Patients with fibromyalgia had higher scores on 29 of the 32 statements. Patients with RA seemed appropriately concerned about health and the possibility of additional illness. By contrast, patients with fibromyalgia were more symptomatic and presented a more unusual and complex syndrome, raising the possibility of a somatoform disorder and also greater personal distress in these patients. On the basis of analyzing the scores of patients with RA, one can also conclude that physical illness alone is not sufficient to drive MMPI profiles into the abnormal range. Patients with fibromyalgia who have a similar degree of pain intensity compared with patients with RA (61.3 vs 60 on a scale of 100) have significantly more abnormal MMPI, and analysis of their MMPI suggest a more complex somatic syndrome and greater psychological disturbance.

Adult↗

Lumbar disc herniations: the predictive value of the Health Attribution Test (HAT) and the Minnesota Multiphasic Personality Inventory (MMPI).

Ninety-one patients who were treated for lumbar disc herniation with chymopapain chemonucleolysis were evaluated preoperatively by means of the Health Attribution Test (HAT) and the Minnesota Multiphasic Personality Inventory (MMPI). There were 54 good, 10 fair, and 27 poor results after chemo-nucleolysis. Nineteen patients subsequently underwent lumbar laminectomy and discectomy and the ultimate outcome for the entire series including these laminectomy patients was 66 good, 10 fair, and 15 poor results. The fair/poor chemonucleolysis outcome patients scored significantly lower than did the good outcome patients on the HAT Powerful Others and significantly higher on the Chance scale. Patients with fair or poor outcomes after chemonucleolysis only scored significantly higher on the Hypochondriasis, Hysteria, Psychopathic Deviate, Paranoia, and Hypomania scales in preoperative MMPI testing. Good versus fair/poor ultimate outcome patients differed significantly on preoperative MMPI Hypochondriasis, Hysteria, Psychopathic Deviate, Paranoia, Psychasthenia, Schizophrenia, Hypomania, and Social Introversion scales. These groups also differed significantly on preoperative HAT Internal and Chance scales. Further analyses found the MMPI to be a slightly better predictor of chemonucleolysis outcome and much better predictor of ultimate outcome than the HAT.

Adolescent↗

A review of the Minnesota Multiphasic Personality Inventory (MMPI) with low back pain patients.

The article reviews the general construction of th Minnesota Multiphasic Personality Inventory (MMPI) scale and the clinical interpretations of the individual subscales. Issues related to the use of the MMPI with low back pain patients are examined. Particular emphasis is paid to the diagnosis of functional versus organic pain and prediction of successful treatment. Overall, the research indicates that patients with high Hypochondriasis (Hs) and Hysteria, (Hy) scores are more likely to emit pain behaviors, complain about their suffering and be concerned with their health. The literature suggests that a simple functional/organic dichotomy does not take into consideration the complexities of the pain experience. The MMPI has significant value in predicting successful response to medical treatment. Scores on the Hypochondriasis (Hs) and Hysteria (Hy) scales appears to be particularly useful. The article concludes with some suggestions for chiropractic research using the MMPI.

Back Pain↗

MMPI results: a comparison of trauma victims, psychogenic pain, and patients with organic disease.

Made comparison using MMPI T scores on three private psychiatric sub-populations: Post-trauma patients, patients with organically based illness, and patients with psychogenic pain (complaints functional in origin) (N = 78). The standard 3 validity and 10 clinical scales were used to evaluate possible differences among the groups. Differences were presented among the groups on scales 3 (Hy), 9 (Ma), and (F). Individual profiles also were assessed. In patients with a 1-3/3-1 profile, the psychogenic group had significantly higher elevation over the post-trauma and organic groups. In patients with 8 (Sc) or 9 (Ma) high both with and without 1-3/3-1 high, differences were found; the post-trauma and organic groups showed marked elevation over those in the psychogenic group. Results indicate the MMPI to be a viable aid in distinguishing between patients with post-trauma stress disorder vs. those with functional disorders. The data suggest that MMPI profiles of patients with post-trauma stress disorder more closely resemble the MMPI profiles of patients who have organic disease with pain caused by organic pathology than the profiles of patients with psychogenic pain and/or hypochondriasis.

Adult↗

Convergent validity of select scales of the MMPI and the Achenbach Child Behavior Checklist-Youth Self-report.

The convergent validity of select clinical scales of the Minnesota Multiphasic Personality Inventory (MMPI) and the Achenbach Child Behavior Checklist-Youth Self-report was evaluated in a sample of 188 adolescent psychiatric inpatients. Clinical scales of the MMPI (Scales 1, 2, 3, 4, 8, and 0) and of the Youth Self-report subscales of Somatic Complaints, Depressed, Aggressive, Delinquent, Thought Disorder, and Unpopular were selected for comparison based on their conceptual similarity. The extent to which scores for self-reported behavior on the Youth Self-report converged with scores on related clinical scales of the MMPI was evaluated by correlations and multiple regression. Concurrent validity for most comparisons between similar scales of the two measures was indicated and support the validity of the Youth Self-report as a self-report measure with an heterogeneous clinical sample of adolescents. The results establish a clear link between self-reported behaviors on the Youth Self-report and scores obtained on the select MMPI clinical scales which would conceptually be associated with those behaviors.

Adolescent↗