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PubMed1991

Derivation and implications of MMPI cluster groups in clinically depressed inpatient females.

The purpose of this study was to subclassify clinically depressed patients based on a cluster-analytic examination of the MMPI. Subjects were 79 female inpatients with major depression. A cluster analysis of the MMPI validity and clinical scales resulted in three clusters labeled psychotic (287 MMPI profile), hostile (24 MMPI profile), and histrionic (32 MMPI profile) depression. The psychotic group exhibited the greatest depression as measured by the Beck Depression Inventory (BDI). The psychotic and hostile groups, however, did not differ on other associated aspects of depression, such as negative cognitions, nonassertiveness, or personality style. The hostile group reported the fewest physical difficulties and the most excessive alcohol use. The groups, however, did not differ on other aspects of depression history or presentation such as family history of depression or previous hospitalizations. A repeated measures ANOVA for the three cluster groups on the BDI at admission, discharge, and 6 months after discharge indicated that all groups showed improvement at discharge but that only the hostile depressive group continued to show improvement at the 6-month follow-up.

Adult↗
PubMed1997

Influence of seizure content on interpreting psychopathology on the MMPI-2 in patients with epilepsy.

We investigated whether seizure content items inflate MMPI-2 scores in persons with epilepsy. A mean MMPI-2 profile was generated for 100 epilepsy patients. Two expert raters then identified MMPI-2 items reflecting seizure symptoms. When individual profiles were rescored to remove elevations caused by seizure content, some statistically significant (but not clinically significant) decreases were observed. The MMPI-2 appears to be a valid assessment instrument in epilepsy. In most cases seizure content did not alter clinical interpretation. When the interest is in detecting symptom change, assessing both statistical and clinical significance is recommended in future MMPI-2 research.

Adult↗
PubMed1992

Comparison of MMPI scores with self-report of sleep disturbance and bruxism in the facial pain population.

Sleep disturbance and bruxism are common clinical characteristics of the chronic facial pain patient. Previous studies have shown that chronic pain patients reporting disturbed sleep show more psychopathology and respond less readily to treatment. Bruxism has been linked to emotional stress and periods of difficult life change. The present study explored the question of whether sleep disturbance or bruxism are useful predictors of psychopathology in the facial pain population. Psychopathology was measured by using the Minnesota Multiphasic Personality Inventory (MMPI). It was predicted that facial pain patients who reported sleep disturbance or bruxism would correlate with more elevated scores on the MMPI profiles. The results of the study revealed a strong association between self-report of disturbed sleep and higher MMPI scores. No difference between the MMPI scores of bruxers and non-bruxers was found. It was concluded that sleep disturbance may be an effective predictor of psychological disturbance within the facial pain population, while bruxism was not found to be associated with psychological disturbance as measured by the MMPI.

Bruxism↗
PubMed1976

Personality characteristics in obesity: relation of MMPI profile and age of onset of obesity to success in weight reduction.

A group of 142 obese subjects was seen in an obesity clinic over a 2-year period. Of these, 116 had assessment of personality factors by the Minnesota Multiphasic Personality Inventory (MMPI), and 71 were followed for periods of 4 to 28 months in order to determine success at weight reduction by means of a conventional dietary regimen. The MMPI profiles of the obese subjects were compared to those of a general medical population of 50,000 patients seen in the Department of Internal Medicine at the Mayo Clinic. Obese male subjects had significantly higher scores on the F and MA scales. Obese female subjects had significantly higher scores on the F, PD, PA, SC, and MA scales, and a significantly lower score on the Q scale than the reference population. Even though these findings show that certain personality traits as measured by the MMPI may occur more frequently in obese persons, the individual MMPI profile codes point out the presence of diverse behavior patterns among obese persons rather than a single personality pattern characteristic of obesity. There were no apparent differences in the success in achieving a loss of 10% or more of initial weight among the male and female obese subjects having normal or abnormal MMPI profiles. Obese subjects having onset of obesity before age 12 years were slightly more successful in weight reduction than those whose obesity began later than this, but the differences were not statistically significant for either the male or female subjects.

Adolescent↗
PubMed1999

A matched comparison of MMPI responses in patients with primary snoring or obstructive sleep apnea.

STUDY OBJECTIVE: To compare the MMPI responses between nonapneic primary snoring (PS) and obstructive sleep apnea (OSA). DESIGN: Cross sectional with matched samples. SETTING: University sleep disorders center. PATIENTS: All PS patients (n = 49) available in a series of 428 clinical referrals to a sleep disorders center, and age and gender-matched OSA patients (n = 49) selected from the 199 available OSA patients in the series. INTERVENTIONS: Not applicable. MEASUREMENTS AND RESULTS: Subjects completed the MMPI prior to overnight diagnostic polysomnographic assessment and multiple sleep latency test (MSLT). OSA patients exhibited a mean of 2.3 elevated MMPI scales, which was significantly more than the PS mean of 1.6 elevations, and attributable to higher OSA scores on Depression (D) and Hypochondriasis (Hs). Approximately twice as many OSA patients than PS patients showed disturbed scores on D (49% vs. 25%, p < .05) and Hy (35% vs. 16%, p < .05). On nine of the ten MMPI clinical scales, both patient groups exceeded the elevation rate expected in nondistressed individuals. Among OSA patients, but not PS patients, number of MMPI elevations had a significant negative correlation with sleep efficiency and average blood saturation during NREM, and a significant positive correlation with wake time after sleep onset. CONCLUSIONS: Compared to patients with PS, those with OSA have more intense depressive symptoms (e.g., pessimism, inactivity, guilt) and somatic concerns. General psychopathology is associated with blood oxygen saturation only among OSA patients. Nonetheless, PS patients show psychological maladjustment that is qualitatively similar, but quantitatively less severe, than that characterizing OSA.

Adult↗
PubMed1997

The identification of neurologically relevant items in the MMPI-2.

The assessment of personality and (mal) adjustment after brain damage is regarded as an important aspect of rehabilitation. However, the administration of widely used self-report questionnaires, such as the Minnesota Multiphasic Personality Inventory-2 (MMPI-2), is restricted because of the danger of overscoring psychopathology and personality disorders. This is due to the inclusion of items reflecting manifestations of neurological dysfunction. Earlier investigations revealed variable neurologically relevant items (NRIs), within and between discrete cerebral aetiologies for the MMPI as well as the first part of the MMPI-2. In this study, 10 neuropsychologists, 10 neurologists, 10 psychiatrists, and 10 physiatrists identified NRIs in the complete MMPI-2. An item was considered to be an NRI based on professional expertise as well as type of brain damage. Based on a substantial inter-rater agreement index, four sets of clinical relevant NRIs were selected: one for brain damage in general and three partially overlapping sets for stroke, traumatic brain damage, and whiplash. Thus, the findings of this study unveil items which may indicate bona fide symptoms or manifestations related to neurological damage or dysfunction, rather than just reflecting psychopathology or personality disorders. It is advocated to develop an interpretative approach to correct for the impact of these NRIs on MMPI-2 scores.

Brain Injuries↗
PubMed1977

MMPI correlates of adaptive ability deficits in patients with brain lesions.

In the present study the relationship between MMPI variables and adequacy of function in verbal and performance intelligence, concept formation, sensory-perceptual and motor skills was examined in 129 subjects with definite evidence of cerebral lesions. Patients with greater impairment of abilities showed higher elevations on the MMPI variables, suggesting more emotional difficulties. Based on the present results and those of two previous studies by the same authors it was concluded that: a) MMPI variables are more closely related to measures of adequacy of function in adaptive abilities than they are to measures of lesion localization based upon pathoanatomical characteristics of the brain; and b) except for verbal skills the relationship between the MMPI variables and various adaptive skills is relatively minor. Interpretive limitations of the MMPI with brain-damaged patients and the need for devising other tests sensitive to the nuances of emotional difficulties of patients with brain lesions were discussed.

Adaptation, Psychological↗
PubMedDate not supplied

Predicting personality in adulthood from college MMPI scores: implications for follow-up studies in psychosomatic medicine.

To assess the long-term predictive utility of Minnesota Multiphasic Personality Inventory (MMPI) content scales, 1,960 individuals who had completed the MMPI in college in 1964 or 1965 were administered two measures of adult personality, the NEO Personality Inventory (NEO-PI) and the Cook and Medley MMPI Hostility scale, in 1988. A comparison group of 274 men and women in the Baltimore Longitudinal Study of Aging were given both MMPI and NEO-PI between 1981 and 1987. Predictive correlations between MMPI scales and NEO-PI factors were qualitatively similar to concurrent correlations, but approximately half as large in magnitude. Theoretically, these correlations were interpreted to mean that about half the variance in basic dimensions of personality is stable from college age into middle adulthood. Practically, the relatively modest correlations suggest that predictive studies of medical outcomes probably require large samples, and that baseline data from adults (e.g., over age 30) may be more useful for future studies. The combination of stability and change suggests that the decade of the 20s may be a particularly fruitful time to conduct research on interventions to alter personality and their effects on health outcomes.

Adolescent↗
PubMedDate not supplied

Changes in MMPI profiles after low-back surgery.

Sixty-nine patients who had completed a Minnesota Multiphasic Personality inventory (MMPI) test preoperatively and had had low-back surgery for discogenic disease were seen in follow-up one to 11 years later. Each completed an MMPI test and pain drawing postoperatively, was examined clinically and radiographically, and was rated for surgical outcome. The preoperative MMPI hypochondriasis (Hs) and hysteria (Hy) scales were only modestly related to treatment outcome, but the postoperative scales were strongly related to outcome. Patients with good surgical outcome had lower Hs and Hy scores postoperatively than preoperatively, whereas patients with poor outcomes had higher Hs and Hy scores postoperatively. The MMPI profile of these operated low-back-pain patients was found to be changeable rather than static. The numerical value of the pain drawings was highly correlated with the elevation of the Hs or Hy scales. The MMPI should be utilized to identify patients with neurotic tendencies and prompt referral for psychologic treatment. Those patients who respond favorably to psychotherapy tend to have a better surgical outcome than those with untreated psychoneuroses or those who fail to improve with treatment.

Adult↗
PubMed1992

Assessment of chronic refractory headache: the role of the MMPI-2.

We investigated the utility of the newly revised version of the Minnesota Multiphasic Personality Inventory, the MMPI-2, for assessing psychopathology in three diagnostic headache groups, Post Traumatic, Status Migrainosus, and Status Migrainosus with Analgesic Rebound. We also investigated whether distinct clusters of headache sufferers could be identified using the MMPI-2 clinical scales, and whether these clusters coincide with headache diagnosis. Eighty-one patients in treatment at the Houston Headache Clinic were diagnosed and administered the MMPI-2. Significant levels of psychopathology were found in all three diagnostic groups. Furthermore, Cluster analysis identified three clusters of patients with equal proportions of patients from the three diagnostic groups. Cluster 1 patients were abnormally high on many MMPI-2 clinical scales; Cluster 2 patients showed more moderate elevations, and Cluster 3 patients had essentially normal profiles. We concluded that the MMPI-2 offers additional information not available through medical diagnosis alone. Thus, it is crucial to include psychological assessment in any comprehensive evaluation of chronic headache patients. Further implications for treatment planning and effectiveness are discussed.

Analysis of Variance↗
PubMed2000

Improved prediction of nonepileptic seizures with combined MMPI and EEG measures.

PURPOSE: Nonepileptic seizures (NESs) are frequently mistaken for epileptic seizures (ESs). Improved detection of patients with NESs could lead to more appropriate treatment and medical cost savings. Previous studies have shown the MMPI/MMPI-2 to be a useful predictor of NES. We hypothesized that combining the MMPI-2 with a physiologic predictor of epilepsy (routine EEG; rEEG) would result in enhanced prediction of NES. METHODS: Consecutive patients undergoing CCTV-EEG monitoring underwent rEEG evaluation and completed an MMPI-2. Patients were subsequently classified as having epilepsy (n = 91) or NESs (n = 76) by using standardized criteria. Logistic regression was used to predict seizure type classification. RESULTS: Overall classification accuracy was 74% for rEEG, 71% for MMPI-2 Hs scale, and 77% for MMPI-2 Hy scale. The model that best predicted diagnosis included rEEG, MMPI-2, and number of years since the first spell, resulting in an overall classification accuracy of 86%. CONCLUSIONS: The high accuracy achieved by the model suggests that it may be useful for screening candidates for diagnostic telemetry.

Adult↗
PubMed1984

A validity study of the MMPI Alexithymia subscale conducted on migraine headache outpatients.

A validity study of Kleiger and Kinsman's MMPI alexithymia subscale was conducted upon a patient population of 56 migraine headache outpatients. Kleiger and Kinsman's initial research was replicated in terms of Beth Israel Hospital Psychosomatic Questionnaire (BIQ) and Minnesota Multiphasic Personality Inventory (MMPI) assessment. Their results were not supported, and, instead, a trend towards an inverse relationship between BIQ ratings and MMPI subscale scores was reported. The findings of the study call into question the validity of the MMPI alexithymia subscale when applied to different patient populations than the respiratory disordered group used by Kleiger and Kinsman for the original MMPI subscale derivation.

Adult↗
PubMed2004

The relationship between malingerers' intelligence and MMPI-2 knowledge and their ability to avoid detection.

One of the most frequently administered psychometrics is the Minnesota Multiphasic Personality Inventory-2 (MMPI-2). Occasionally, those participants taking the MMPI-2 will malinger or exaggerate their symptoms. Several malingering detection devices are available, and a significant body of literature exists concerning their efficacy. However, little research is available considering those factors that facilitate successfully evading detection as a malingerer. Some of these studies have identified general intelligence and knowledge of the MMPI-2 as key variables in the likelihood of escaping detection as a malingerer. The extant research considered the utility of general intelligence and knowledge of the MMPI-2 as predictors in avoiding detection as a malingerer. To detect malingering, the two traditional detection devices were employed: the F-Scale and the F - K Index. Results indicate that intelligence and MMPI-2 knowledge contribute significantly to the likelihood of successfully escaping detection as a malingerer.

Aptitude↗
PubMed2000

Can the MMPI-2 validity scales detect depression feigned by experts?

Major depression is one of the most frequently presented disorders for claims of psychiatric disability. Evidence also suggests that many individuals making claims of disability exaggerate or even fabricate mental illness. These facts suggest that the detection of feigned depression is an important task in psychiatric disability claim assessments. In this study, the capacity of a number of MMPI-2 validity scales and indicators to detect feigned depression was examined. Twenty-three mental health professionals with specific expertise and significant experience in assessing and treating major depression were asked to complete the MMPI-2 as if they were suffering from major depression. The MMPI-2 protocols of this sample were compared to those of a sample of patients diagnosed with major depression. Results indicated that the validity scales F, back F (FB), and the Dissimulation scale (Ds) were highly successful at distinguishing MMPI-2 protocols of feigned depression from bona fide depression. Replicating results from previous studies, however, FB proved most effective, outperforming all other validity scales and indicators, including F and Ds. These findings suggest that even experts are unable to feign major depression successfully on the MMPI-2, and that the FB scale might be the most effective indicator for detecting feigned depression.

Adult↗
PubMed2001

Validity rates of the MMPI-2 and PAI in a rural inpatient psychiatric facility.

This study examines the validity rates of Minnesota Multiphasic Personality Inventory-2 (MMPI-2) and Personality Assessment Inventory (PAI) profiles in a rural inpatient population. The validity scales of 90 MMPI-2 and 90 PAI profiles were analyzed using published criteria for determining validity. Random responding, positive impression management, and negative impression management were also evaluated. The PAI had a higher number of valid profiles compared with the MMPI-2. Evidence suggests the primary source of the invalid profiles within the MMPI-2 is a higher level of endorsement of relatively rare statements. The substitution of the Infrequency-Psychopathology scale (Fp) for the Infrequency scale (F) on the MMPI-2 substantially reduced the number of invalid profiles. Contrary to expectations, the PAI did not demonstrate lower levels of invalid profiles due to random responding. Rates of invalid profiles for each scale are provided.

Adult↗
PubMed2003

Detection of feigned mental disorders: a meta-analysis of the MMPI-2 and malingering.

The validity of test data from multiscale inventories is dependent on self-reports that may be easily distorted by malingering. In examining the Minnesota Multiphasic Personality Inventory-2's (MMPI-2) role in the assessment of feigning, this review provides a conceptual analysis of the detection strategies underlying the MMPI-2 validity scales. The conceptual analysis is augmented by comprehensive meta-analysis of 65 MMPI-2 feigning studies plus 11 MMPI-2 diagnostic studies. For the rare-symptoms strategy, Fp (Cohen's d = 2.02) appears especially effective across diagnostic groups; its cut scores evidence greater consistency than most validity indicators. The data supported the F as an effective scale but questioned the routine use of Fb. Among the specialized scales, Ds appeared especially useful because of its sophisticated strategy, consistent cut score, and minimalfalse-positives. General guidelines are offeredfor specific MMPI-2 validity scales in the assessment of malingering with specific diagnoses.

Factitious Disorders↗
PubMed2003

MMPI-A characteristics of male adolescents in juvenile justice and clinical treatment settings.

The current study investigates the extent to which the Minnesota Multiphasic Personality Inventory-Adolescent (MMPI-A) profiles of 196 male adolescents evaluated in a South Carolina detention center could be successfully discriminated from the protocols of 200 male adolescent psychiatric inpatients in three states and 151 dually diagnosed male adolescents. Results showed significant differences in mean T-score values among these three groups of adolescents across a variety of MMPI-A scales and subscales. Results from discriminant function analyses indicate that treatment setting can be predicted effectively from MMPI-A profiles. Beyond the MMPI-A profile differences established for adolescents in these groups, the similarities of adolescents were also noted, particularly in terms of the frequent occurrence of Within-Normal-Limits profiles for adolescents in all groups. Potential directions for future research with the MMPI-A are presented.

Adolescent↗
PubMed2005

Principal components analyses of the MMPI-2 PSY-5 scales: identification of facet subscales.

The Personality Psychopathology Five (PSY-5) is a five-factor personality trait model designed for assessing personality pathology using quantitative dimensions. Harkness, McNulty, and Ben-Porath developed Minnesota Multiphasic Personality Inventory-2 (MMPI-2) scales based on the PSY-5 model, and these scales were recently added to the standard MMPI-2 profile. Although the PSY-5 constructs are multidimensional in definition, explicit subscales for the broader PSY-5 scales have not been developed. The primary goals of this study were to empirically derive subscales for the MMPI-2 PSY-5 scales using principal components analysis (PCA) and to replicate these subscales with an independent sample. Individual PSY-5 scales were analyzed using PCA with an initial sample of 4,325 MMPI-2 protocols, and the component structure was replicated with a second sample of 4,277 MMPI-2 protocols. A third sample of 4,327 protocols was used to further evaluate the internal consistency reliabilities of the resulting facet subscales. Overall, replicable facet subscales were identified with content areas that are largely congruent with Harkness and McNulty's model.

Adult↗