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PubMed2004

Assessing underreporting response bias on the MMPI-2.

The authors assess the replicability of the two-factor model of underreporting response style. They then examine the relative performance of scales measuring these styles in analog (ARD) and differential prevalence group (DPG) designs. Principal components analysis produced a two-factor structure corresponding to self-deceptive (SD) and impression management (IM) response styles. The IM factor scale and related individual validity scales were elevated among research participants instructed to fake good on the MMPI-2 as compared with participants who completed the MMPI-2 under standard instructions (ARD) and among individuals evaluated in real-life assessment contexts where underreporting is expected (DPG). Participants in DPG samples produced significantly higher SD factor and related individual scale scores than did the ARD participants instructed to fake good. These findings confirm that the MMPI-2 validity scales measure two types of underreporting styles and that these styles may operate differently in ARD versus DPG designs.

Adult↗
PubMed2004

Construct validity of the MMPI-2 College Maladjustment (Mt) Scale.

The construct validity of the MMPI-2 (Minnesota Multiphasic Personality Inventory-2) College Maladjustment (Mt) Scale was examined using 376 student clients at a university psychological clinic. A principal components analysis and correlations of Mt scale scores with clients' and therapists' ratings of symptoms and functioning showed that the Mt scale identifies the presence of maladjustment as defined in terms of depressive and anxious symptoms. There is no evidence to show that the scale is specific to college students or that it is sensitive to severe psychological disturbance. The Mt scale does not inform the clinician as to why a person is distressed. In addition, there is no evidence from this study to suggest the superiority of the Mt scale over other MMPI-2 maladjustment measures. Therapists should use the entire MMPI-2 profile, not just the Mt scale, to gain the most comprehensive and specific understanding of clients.

Adjustment Disorders↗
PubMed2005

Susceptibility of the MMPI-2 clinical, restructured clinical (RC), and content scales to overreporting and underreporting.

The authors examined and compared the susceptibility of three Minnesota Multiphasic Personality Inventory-2 (MMPI-2) scale sets (Clinical, Restructured Clinical [RC], and Content) to over- and underreporting using five analog samples. Two samples of 85 and 191 undergraduate students, respectively, took the MMPI-2 under underreporting versus standard instructions. Three samples consisting of 42 undergraduates, 73 psychiatric inpatients, and 84 medical patients took the MMPI-2 under overreporting versus standard instructions. A comparison of the effect sizes across the three sets of scales indicated that Clinical Scale scores are not less susceptible to distortion than the Content or RC Scales. An apparent lesser susceptibility to underreporting for the Clinical Scales was an artifact of the subtle items' effect on these scales.

Adult↗
PubMed2006

External correlates of the MMPI-2 content component scales in mental health inpatients.

External correlates of the Minnesota Multiphasic Personality Inventory-2 (MMPI-2) Content Component Scales were identified using an inpatient sample of 544 adults. The Brief Psychiatric Rating Scale (BPRS) and Symptom Checklist 90-Revised (SCL-90-R) produced correlates of the Content Component Scales, demonstrating external validity with clinician-rated and self-report scales. Relationships between MMPI-2 Content Component Scales and patient hospital chart variables were also examined. Results demonstrated cross-criterion validity in that most MMPI-2 Content Component Scales correlated with appropriate BPRS dimensions, SCL-90-R items, and other patient variables. Discriminant validity of the Content Component Scales was also demonstrated. In addition, the finding that similar patterns of correlates are produced when the component scales are correlated with a self-report measure, as well as clinician ratings and medical chart variables, provides converging lines of evidence supporting the construct validity of the Content Component Scales.

Adult↗
PubMed1998

DSM-IV Cluster A personality disorder diagnoses among young adults with a 2-7-8 MMPI profile.

The present study evaluated the presence of DSM-IV personality disorders among young adults from a nonclinical setting who produced an MMPI 2-7-8 profile in comparison to a group of MMPI-defined controls. Categorical and dimensional analyses of personality disorders were evaluated. Participants in the 2-7-8 group (n = 20) received significantly more personality disorder diagnoses than did controls (n = 29), and 85% of these individuals received at least one Cluster A (Paranoid, Schizoid, Schizotypal) diagnosis in contrast to only 6.9% of controls (categorical analysis). The 2-7-8 group also received significantly more Cluster A diagnoses than Cluster B or C diagnoses. When dimensional analyses were applied (subclinical diagnoses), 95% of the 2-7-8 group evidenced Cluster A features. Comorbidity patterns were also evaluated; the most frequent comorbid diagnosis for the 2-7-8 group was Avoidant Personality Disorder (n = 8), consistent with Meehl s (1962, 1989, 1990) conceptualization of schizotypy. These results support the use of the MMPI 2-7-8 profile as an indicator of schizophrenia-related pathology within nonclinical samples of young adults.

Adolescent↗
PubMed1999

The utility of K-correction to adjust for a defensive response set on the MMPI.

This study examined the utility of the K-correction procedure to adjust for a defensive response set on the MMPI. The sample consisted of 61 patients with end-stage lung disease undergoing psychosocial evaluation for transplantation. Participants were separated into defensive and non-defensive groups using a median split on the K scale (defensive group T score 59) as the cutoff score. The MMPI was scored once in the standard manner and then rescored omitting all K-scale items from the clinical scales. As hypothesized, raw score analysis after omitting K-scale items showed the defensive group endorsed significantly fewer items on all five scales involving K-correction (Scales Hs, Pd, Pt, Sc, Ma). Analysis of K-corrected T scores on Scales Hs, Pd, Pt, and Sc using standard procedures showed a significant group difference only on Scale Hs with a higher T score found among the defensive group. The defensive and nondefensive groups were not significantly different in demographic, medical, or psychiatric characteristics suggesting that the tendency to respond in a defensive manner is the major characteristic that distinguishes the two groups. Taken together, these results provide support for the use of the K-correction procedure when examining MMPI clinical profiles among patients with end-stage pulmonary disease undergoing evaluation for transplantation.

Adaptation, Psychological↗
PubMed1976

The SCL-90 and the MMPI: a step in the validation of a new self-report scale.

The present investigation was intended principally as a concurrent validation study for a new self-report symptom inventory: the SCL-90. A sample of 209 'symptomatic volunteers' served as subjects and were administered both the SCL-90 and the MMPI prior to participation in clinical therapeutic drug trials. The MMPI was scored for the Wiggins content scales and the Tryon cluster scales in addition to the standard clinical scales. Comparisons of the nine primary symptom dimensions of the SCL-90 with the set of MMPI scales reflected very high convergent validity for the SCL-90. Peak correlations were observed with like constructs on eight of the nine scales, with secondary patterns of correlations showing high interpretative consistency.

Adult↗
PubMed1977

MMPI identification of nonrehabilitants among disabled veterans.

Utilized the Minnesota Multiphasic Personality Inventory (MMPI) with IQ scores and selected biographic data to identify drop-outs in a Veterans Administration vocational rehabilitation program. Subjects were 61 male disabled veterans. Data were collected at VA Hospital Richmond, Virginia, between September 1973 and September 1974. Follow-up six months after entrance into training utilized persistence in training or employment as success criteria. Multivariate analysis identified 32 of 33 successful and 25 of 28 unsuccessful subjects with p less than .001. Factor analysis of the best predictors identified MMPI Psychopathic deviate (Pd) Hypomania (Ma), and Lie (L) scales which was interpreted to be a social adjustment factor. Four other factors were identified. Results indicated the MMPI was a useful instrument in the identification of disabled veterans who were likely to experience difficulty in post-hospital vocational rehabilitation.

Acting Out↗
PubMed1980

Two- and three-point classification of MMPI profiles in which scales 2, 7, and 8 are the highest elevations.

Two-point and three-point methods of classifying MMPI profiles were compared using 174 students who sought psychological treatment at a college student mental health clinic and who generated MMPI profiles with scales 2, 7, and 8 as their highest evaluations, (or obtained two of those three scales as their two highest elevations). Behavioral correlates were determined by comparing each profile type to the remainder of the population by means of the chi2 statistic for males and females. Each two-point code type was compared to the comparable subgroup of its parent three-point code type. Important differences in interpretation were present between two- and three-point classification methods, particularly when sex of subject was considered, suggesting that method of classification and sex of subject are important variables in the accurate interpretation of college student MMPI profiles.

Adjustment Disorders↗
PubMed1981

An MMPI typology of male alcoholics: admission, discharge and outcome comparisons.

The admission MMPI profiles of approximately half of 337 male alcoholics treated at the Hazelden Foundation (Center City, Minnesota) were classifiable into four groups: neurotic, classic alcoholic, psychopathic, and psychotic. The discharge MMPI profiles of the neurotic, classic, and psychotic types showed foreshortening but maintained their basic configurations. The psychopathic type's discharge MMPI profile showed no major change either in elevation or shape. Several biodemographic and treatment outcome differences were found among the four profile types.

Adult↗
PubMed1981

Comparison of MMPI and Mini-Mult with both psychiatric inpatients and screening nursing students.

Evaluated the diagnostic adequacy of the Mini-Mult in a psychiatric population and a presumed normal sample as well as the descriptive accuracy of statements inferred from the Mini-Mult profiles of the patient sample. The Mini-Mult showed significant correlations with the full MMPI for all scales except Hs in a male psychiatric inpatient sample and for all scales except F, Hs and D in a female nursing school applicant sample. Nevertheless, in both samples there are significant mean differences on most scales when the two techniques are compared. For the psychiatric sample in cases where both the Mini-Mult and MMPI give profiles codeable into Marks and Seeman (1963) profile types, the Mini-Mult yields only limited prediction of profile type and descriptive statements. For the student nurse applicant sample, there is good agreement (86%) between the techniques when used only to screen for possible pathology. The Mini-Mult seemed to have some promise in applications involving the screening of presumed normals, but showed little success in predicting diagnostic and descriptive features as inferred from the full MMPI.

Adolescent↗
PubMed1981

Alcoholic MMPI types and their relationship to patient characteristics, polydrug abuse, and abstinence following treatment.

This study attempted to delineate personality types by applying empirical clustering procedures to the MMPI protocols of 207 (175 males and 32 females) inpatient alcoholics in a private treatment facility. Additional patient information was collected, including self-reported alcohol use following treatment, ethnicity, educational level, marital status, numbaer of previous admissions, and dependence on drugs in addition to alcohol. Shipley-Hartford IQ scores and Zung Depression scores obtained upon admission were also included. Four representative MMPI types emerged, one of which had a significantly greater proportion of polydrug abusers. Significant differences between the types were obtained for ethnicity, level of education, marital status, and Shipley-Hartford scores. Zung Depression scores were found to be significantly different between types and closely reflected the levels of depression indicated on the MMPI. Finally, the types were found to have a significant although modest relationship to twelve month sobriety following discharge. Results are discussed in terms of the considerable heterogeneity of alcoholic populations and the need to detail and elaborate the characteristics of alcoholic types.

Adult↗
PubMed1982

Rorschach and pain characteristics of patients with low back pain and "conversion V" MMPI profiles.

Two studies examined the relationship between Rorschach determinants, MMPI scale scores, and pain reports in order to clarify the meaning of the MPI "conversion V" pattern among patients with low back pain. Study I showed that patients without demonstrable organic disease of the back produce Rorschach response summaries marked by lower F+%, lower Sum C, and higher F% than patients with demonstrable organic disease. Study 2 showed that only the increase in F% was associated with significant elevations of the MMPI Hs and Hy scales. The results suggest that elevated MMPI "conversion V" profiles are indicative of psychological disturbance among patients with low back pain. It is unlikely, however, that the disturbance is hysterical. Instead, the psychopathology is probably marked by tension and constraint rather than the over-reactivity of hysteria. The implications of these findings for diagnosis are discussed.

Adolescent↗
PubMed1982

The MMPI as a measure of the emotional correlates of chronic hemodialysis: a review.

The MMPI has been the most frequently used objective personality measure in studies of the emotional correlates of chronic hemodialysis for end-stage renal failure. This paper reviews MMPI findings of these studies and examines the utility of this instrument with chronic dialysis patients. Overviews of the basic research strategies employed and of the methodological shortcomings of the published studies are presented. Research findings are reviewed, and pros and cons of using the MMPI with this population are briefly discussed. The most consistent finding to date has been elevation in the "neurotic triad" (scales 1, 2, and 3), but the meaning of this configuration for dialysis patients is ambiguous.

Affective Symptoms↗
PubMed1982

The diagnostic accuracy and utility of MMPI and MCMI computer interpretive reports.

Comparisons were made among the two most frequently used automated reports associated with the MMPI and that of the recently developed MCMI. Twenty-three clinicians rated computer-generated interpretive narratives for 100 of their patients in terms of the adequacy of the information they supplied, their descriptive accuracy, and the utility of the report format. Differences among interpretive reports were statistically evaluated, utilizing eta. The NCS Mayo MMPI system was appraised as less satisfactory than the other systems on almost all substantive and stylistic comparisons. Despite possible Barnum effects, both the Roche MMPI and the MCMI programs were rated as valid and useful. MCMI narratives were judged more accurate in assessing interpersonal relationships (eta = .52), personality traits (eta = .50) and coping styles (eta = .53).

Adaptation, Psychological↗
PubMed1983

Diagnostic validity of the MMPI and two short forms.

The ability of the Faschingbauer Abbreviated MMPI (FAM) and the MMPI-168 to substitute for the full Minnesota Multiphasic Personality Inventory (MMPI) in broad psychiatric diagnosis was examined in a sample of 514 psychiatric inpatients. Each sex was randomly divided and multiple discriminant functions derived using long form scales as predictors. The discriminant functions were cross-validated on the other same-sex group using long and short form scales as predictors. All three forms achieved a 46% "hit" rate overall. No significant differences among the three forms were found.

Adult↗
PubMed1983

A psychodynamic approach to MMPI Interpretation.

An interpretive approach to the Minnesota Multiphasic Personality Inventory (MMPI), based on a psychodynamic conceptual system, is presented. Scale elevations and configurations on the MMPI are viewed as reflecting the following dimensions of personality: (a) characteristic security and defense operations, (b) capacity to manage or tolerate anxiety, c) characteristic ways of dealing with aggression and hostility, d) stability of reality contact, e) quality of object relations, and f) level of psychopathology. Various MMPI profile configurations, and empirical research findings where applicable, are related to variations in personality functioning and psychopathology within each of these six dimensions. The interpretive approach described is consistent with the authors' belief that psychological assessment should go beyond the level of description and attempt to understand the individual in a more comprehensive and integrated manner.

Aggression↗
PubMed1984

Relations between the family environment scale (FES) and the MMPI.

This study investigated the relations between FES scales and MMPI scales and the relation of social desirability and endorsement of FES items in a sample of 185 college students. FES scales were found generally not to be highly redundant with MMPI variables although MMPI Scale K (defensiveness) was significantly related to several FES scales. The social desirability and the endorsement rates of FES items were found to correlate approximately .80. Implications of these findings for the research and clinical use of the FES are discussed.

Adolescent↗