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PubMed2000

A replication of Rorschach and MMPI-2 convergent validity.

We replicated prior research on Rorschach and MMPI-2 convergent validity by testing 8 hypotheses in a new sample of patients. We also extended prior research by developing criteria to include more patients and by applying the same procedures to 2 self-report tests: the MMPI-2 and the MCMI-II. Results supported our hypotheses and paralleled the prior findings. Furthermore, 3 different tests for methodological artifacts could not account for the results. Thus, the convergence of Rorschach and MMPI-2 constructs seems to be partially a function of how patients interact with the tests. When patients approach each test with a similar style, conceptually aligned constructs tend to correlate. Although this result is less robust, when patients approach each test in an opposing manner, conceptually aligned constructs tend to be negatively correlated. When test interaction styles are ignored, MMPI-2 and Rorschach constructs tend to be uncorrelated, unless a sample just happens to possess a correlation between Rorschach and MMPI-2 stylistic variables. Remaining ambiguities and suggestions for further advances are discussed.

Factor Analysis, Statistical↗
PubMed2000

Development of an Infrequency-Psychopathology scale for the MMPI-A: the Fp-A Scale.

This article describes the development and initial validation of the Infrequency-Psychopathology scale, Fp-A, for the MMPI-A (Butcher et al., 1992). The scale parallels the Infrequency-Psychopathology scale, F(p), that has been developed for the MMPI-2 (Butcher, Dahlstrom, Graham, Tellegen, & Kaemmer, 1989). Results demonstrated that the 40-item Fp-A scale is superior to the F scale at discriminating between faking-bad and accurate reports of psychopathology, although the improvement over F was modest, particularly when compared to the improvement found for the F(p) scale. The difference seemed to reflect the superiority of the MMPI-A F scale to the MMPI-2 F scale. Even so, the findings suggest that the identification of overreporting on the MMPI-A could potentially be enhanced by using Fp-A as an adjunct to the F scale.

Adolescent↗
PubMed2002

Overreport on the MCMI-III: concurrent validation with the MMPI-2 using a psychiatric inpatient sample.

The MCMI-III (Millon, Davis, & Millon, 1997) is a widely used measure of personality often used in inpatient psychiatric settings. Although patients in such settings often overreport or exaggerate their symptoms, relatively little is known about how such a response set presents on the validity indexes of the MCMI-II. In this study, we used a sample of 191 psychiatric inpatients and compared MCMI-III modifier indices (Disclosure, Desirability, and Debasement) with the validity measures (L, F, Fb, F(p), K, and F - K) of the MMPI-2 (Butcher, Dahlstrom, Graham, Tellegen, & Kaemmer, 1989). In addition, the MCMI-III Disclosure Index (Scale X, which imposes a set cutoff score for invalidity due to overreport) was compared to several cutoff scores on the validity scales of the MMPI-2. Although the MCMI-III indexes generally performed as expected, the MCMI-III had a very high tolerance for overreport. When contrasted with MMPI-2 F scale, the MCMI-II Disclosure Index (which gauges overreport) remained valid until scores on MMPI-2 F scale approached a T score of 120. In addition, the Disclosure Index was at the upper end or slightly exceeded the highest recommended cutoff scores on all other MMPI-2 validity scales except F - K. Clinicians using the MCMI-III alone are cautioned to consider the high tolerance the MCMI-III has for overreport.

Adult↗
PubMed2002

Assessing general maladjustment with the MMPI-2.

The validities of 7 MMPI-2 (Butcher, Graham, Ben-Porath, Tellegen, & Kaemmer, 2001) measures of general maladjustment were compared using a composite criterion measure based on self-reported symptom severity and clinicians' ratings of symptom severity and level of functioning. Participants were 274 male and 425 female clients at a community mental health center and 105 male and 247 female clients at a university psychological clinic. All MMPI-2 measures were significantly related to the composite criterion measure for both male and female clients in both settings. The mean score on 8 clinical scales (M8) consistently was the best indicator of maladjustment. Although other MMPI-2 measures sometimes added significantly to the variance accounted for in the criterion measure, increments were small and probably not clinically meaningful. However, M8 added significantly and meaningfully to each of the other MMPI-2 measures in predicting maladjustment. Implications for using the MMPI-2 to assess general maladjustment in outpatient mental health settings are discussed.

Adjustment Disorders↗
PubMed1993

The validity of the MMPI in identifying alcoholics in a university setting.

The predictive validity of MMPI-based alcoholism scales in identifying alcoholism and other substance dependencies was evaluated in a naturalistic setting. Study participants were 466 male and female college students who completed the MMPI and the substance use disorder modules of the Diagnostic Interview Schedule. Results indicated that the MacAndrew Alcoholism Scale (MAC), the Substance Abuse Proclivity Scale (SAP) and the clinical scales of the MMPI had a poor ability to identify the 57 study participants who met DSM-III-R criteria for a substance use disorder, primarily alcoholism. Broadening the definition of substance abuse to a continuum of alcohol/drug problems did not improve the utility of the MMPI scales. Five screening questions that inquired about the consequences of alcohol and drug use were moderately effective in substance dependence identification and superior to the MAC, SAP and MMPI clinical scales. Results are consistent with previous research which concluded that the use of the MAC to identify alcoholics in clinical settings is not empirically justified.

Adolescent↗
PubMed1993

MMPI-2 schizophrenia spectrum profiles among schizotypal college students and college students who seek psychological treatment.

The MMPI-2 schizophrenia spectrum profiles of 25 college students with extreme scores on the Perceptual Aberration and Magical Ideation Scales were compared to those of 27 students who requested psychological treatment at a university psychology clinic. Moldin, Gottesman, and Erlenmeyer-Kimling's 1987 classification strategy for schizophrenia spectrum disorders identified 66% of the students who did not seek psychological treatment and had high scores on the Perceptual Aberration and Magical Ideation Scales as having an 8-6, 8-9, or a 9-8 MMPI-2 profile. Of the students who requested psychological treatment, 25% produced MMPI-2 schizophrenia spectrum profiles. Of these, 63% produced a 2-7-8 code profile. Additional analyses showed that only some of the students who requested psychological treatment and produced a 2-7-8 MMPI-2 profile exhibited schizotypal features and that this group stayed in therapy longer than students without schizophrenia spectrum profiles. These results suggest that only a subset of the students with high scores on the Perceptual Aberration and Magical Ideation Scales produce schizophrenia spectrum MMPI-2 profiles and that these profiles are substantially different from those produced by students with high scores on the Revised Social Anhedonia Scale and from schizotypal college students who seek psychological treatment.

Adult↗
PubMed1996

Provisional statistics for MMPI-2 Dependency Prejudice, Social Status, Control, and Low Back Pain Scales.

Provisional statistics are provided for MMPI-2 Dependency (Dy), Prejudice (Pr), Social Status (St), Control (Cn), and Low Back Pain (Lb) scales. The statistics were derived primarily from the 1957 MMPI normative sample of Hathaway and Briggs, but means also are given for the MMPI-2 normative group. Both men and women in the MMPI-2 group scored higher than the MMPI sample on St and Lb but lower on Dy, Pr, and Cn.

Adult↗
PubMed2000

Diagnosis of posttraumatic stress disorder with the MMPI: PK scale scores in somatization disorder.

Clinic patients with diagnoses of either major depression or somatization disorder were given the MMPI. Women with somatization disorder had high scores on Keane's MMPI scale (PK) for posttraumatic stress disorder. Following the procedure for the MMPI-2 (46 of the 49 PK items and MMPI-2 norms), 59% of the women with somatization disorder and 21% of the women with major depression would have T scores > or = 65 on the MMPI-2 scale although none of them were known to have developed psychiatric disorder after exposure to a life threatening event. The PK scale has little use in the differential diagnosis of women patients with somatization disorder.

Diagnosis, Differential↗
PubMed2002

Relationships of personality disorders with MMPI-2 malingering, defensiveness, and inconsistent response scales among forensic examinees.

MMPI-2 validity scales were correlated with MCMI-II personality disorder scales to examine relationships between response styles and personality disorders in a sample of 84 criminal defendants. 14 MMPI-2 validity scales were significantly correlated with 13 personality disorders. All of the personality disorder scales were significantly correlated with at least one validity measure and 11 of 13 personality disorder scales were significantly correlated with two or more MMPI-2 validity scales. While a personality disorder diagnosis may have a general effect on validity scales, relationships theoretically consistent with a given personality disorder were also found. This means that response set appears to be a manifestation of personality, and as such, examiners should expect symptom amplification or minimization or inconsistent responses, based on an individual's personality. Subsequently, forensic examiners are encouraged to evaluate the relationships between MCMI-II personality disorders and MMPI-2 validity scales to avoid misjudging MMPI-2 profiles as invalid when they accurately reflect manifestations of personality.

Adolescent↗
PubMed2003

An approach for practice administration and interpretation of the MMPI-2.

This paper discusses one teaching approach for practice administration and interpretation of the MMPI-2 in a graduate course on personality assessment. After graduate students practice scoring and interpreting the MMPI-2 inventory completed with specific response sets and practice interpreting MMPI-2 profiles of cases prepared for teaching and practice in interpretation, students practice administering and interpreting the MMPI-2 for volunteer test-takers who complete the inventory with a simulated stress response set. The simulated stress response set approach may be helpful in providing skill-building practice in the early phases of learning the MMPI-2 with volunteer test-takers, while minimizing some of the ethical concerns raised regarding actual administrations with nonclient volunteers in the early phases of training in assessment.

Humans↗
PubMed1997

The MMPI-2 GM and GF Scales as measures of psychological well-being.

The MMPI-2, Symptom Checklist (SCL-90-R), and Tennessee Self-Concept Scales (TSCS) scores were analyzed for 117 male and 139 female college students. A median split on the MMPI-2 GM and GF scores by gender divided subjects into high and low groupings on the MMPI-2 gender variables. Multivariate analyses revealed that scores on the MMPI-2, TSCS, and SCL-90-R consistently differed by GM and GF status with differences most pronounced for the GM scale. Higher scores on the GM variable were associated with scores on the MMPI-2, TSCS, and SCL-90-R that reflected less psychopathology. Similar trends were noted for higher scorers on the GF variable, but fewer significant differences across the scales were found. The results are consistent with an interpretation of GM and GF as correlates of psychological wellbeing.

Adolescent↗
PubMed1988

Does the MMPI predict chemonucleolysis outcome?

Ninety-one patients with lumbar disc herniation were treated by chemonucleolysis with intradiscal chymopapain injection and evaluated at least 1 year after surgery (average, 18 months). There were 54 good, 10 fair, and 27 poor results after chemonucleolysis. Good versus fair/poor outcome groups differed preoperatively on the Minnesota Multiphasic Personality Inventory (MMPI) Hypochondriasis (Hs), Hysteria (Hy), Psychopathic Deviate (Pd), Paranoia (Pa), Hypomania (Ma), and Social Introversion (Si) scales. Presence of compensation issues at the time of surgery was significantly related to outcome, and the MMPI scales provided additional predictive power. Nineteen patients who did not show improvement with chemonucleolysis 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. Good versus fair/poor ultimate outcome patients differed significantly on preoperative MMPI Hypochondriasis, Hysteria, Psychopathic Deviate, Paranoia, Psychasthenia, Schizophrenia, Hypomania, and Social Introversion scales. After controlling for the effects of compensation issues, MMPI scales added significantly to the ability to predict ultimate surgical outcome. However, the MMPI could not be used with confidence to predict the outcome for a given patient and should serve only to alert the surgeon to the presence of psychological risk factors and the possible need for referral for psychological evaluation and treatment.

Adolescent↗
PubMed1994

Relationships Among MMPI Codetype, Gender, and Setting and the MacAndrew Alcoholism Scale

Scores on the MacAndrew Alcoholism scale (MAC) were examined within specific Minnesota Multiphasic Personality Inventory (MMPI) codetypes in three large samples: psychiatric inpatients and outpatients, medical outpatients referred for a psychiatric evaluation, and alcoholic inpatients. Mean MAC scores varied drastically as a function of MMPI codetype, gender, and the specific setting in which the MMPI was administered. These large variations in MAC scores suggest that the use of a single cutting score, typically a raw score of 24 or higher, may be inappropriate. Clinicians are cautioned about using the MAC to identify persons who abuse substances without considering the potential effects of MMPI codetype, gender, and the setting in which the MMPI is administered.

Journal Article↗
PubMed1994

The Effect of Somatoform Disorder and Paranoid Psychotic Role-Related Dissimulations as a Response Set on the MMPI-2

Two hundred thirty-seven undergraduate students were assigned to three instructional groups: somatoform disorder, paranoid psychotic, and general "fake-bad," and a standard test-retest control group in order to investigate the impact of specifically defined, role-related dissimulations on responding to the MMPI-2. It was found that each instructional group differed from the control group on a majority of MMPI-2 clinical and validity scales. Although the group that simulated the somatoform disorder differed from the simulated paranoid psychotic and general fake-bad groups, the simulated paranoid psychotic and general fake-bad groups did not differ from each other. An examination of various cutting scores suggests that validity indices used with the MMPI (i.e., F, F-K) are also useful with the MMPI-2. Overall, the F scale seems to be the most effective validity index. Implications for future MMPI-2 and malingering research are discussed.

Journal Article↗
PubMed1995

Comparability and validity of computerized adaptive testing with the MMPI-2.

The comparability and validity of a computerized adaptive (CA) Minnesota Multiphasic Personality Inventory-2 (MMPI-2) were assessed in a sample of 571 undergraduate college students. The CA MMPI-2 administered adaptively Scales L, E the 10 clinical scales, and the 15 content scales, utilizing the countdown method (Butcher, Keller, & Bacon, 1985). All subjects completed the MMPI-2 twice, with three experimental conditions: booklet test-retest, booklet-CA, and conventional computerized (CC)-CA. Profiles across administration modalities show a high degree of similarity, providing evidence for the comparability of the three forms. Correlations between MMPI-2 scales and other psychometric measures (Beck Depression Inventory; Symptom Checklist-Revised; State-Trait Anxiety and Anger Scales; and the Anger Expression Scale) support the validity of the CA MMPI-2. Substantial item savings may be realized with the implementation of the countdown procedure.

Journal Article↗
PubMed1995

MMPI-2 clinical correlates for ten common codes.

A number of researchers have called for the establishment of a Minnesota Multiphasic Personality Inventory-2 (MMPI-2; Butcher, Dahlstrom, Graham, Tellegen, & Kaemmer, 1989) correlate literature that is based directly on investigations of the revised MMPI. The purpose of this study was to examine clinical correlates found for 9 commonly occurring 2-point codes, each of which contained a minimum of 20 patients, and for 82 profiles that were within-normal-limit (WNL) in a sample of 289 female and 308 male psychiatric inpatients. Major findings indicated that descriptors identified for MMPI-2 based codes were generally similar to the established literature for corresponding codes derived from the original MMPI (Hathaway & McKinley, 1967). In addition, correlates identified for the WNL profile suggest that these patients are less likely to exhibit more chronic symptomatology and to have psychological histories marked by less severe psychological disturbance than other inpatients. Overall, the results of this study represent an initial step in the creation of an MMPI-2 correlate literature.

Journal Article↗
PubMed1996

Development and effects of an MMPI--A K-correction procedure.

Although the results of research on the effectiveness of the K-correction factor have been inconclusive, this procedure has been widely used with adult respondents to correct for defensiveness or underreporting of symptomatology on the Minnesota Multiphasic Personality Inventory. Although the K-correction procedure was incorporated into the Minnesota Multiphasic Personality Inventory-2, the Minnesota Multiphasic Personality Inventory-Adolescent (MMPI-A) was developed based exclusively on the use of non-K-corrected T scores. This study derived age-appropriate K-weights for the MMPI-A to determine the degree to which the use of this procedure could improve test accuracy in the classification of participants into normal and clinical groups. Discriminant function analyses were performed to determine the K-weight that, when combined with basic scale raw score values, optimally predicted normal versus clinical status for each of the eight basic clinical scales. Hit rate analyses were utilised to assess the degree to which K-corrected T scores resulted in improvements in classification accuracy in contrast to standard MMPI-A non K-corrected norms. Results indicate that the adoption of K-correction procedure for the MMPI-A does not result in systematic improvements in test accuracy and the current findings do not support the clinical use of a K-correction factor in interpreting MMPI-A protocols.

Journal Article↗
PubMed1996

Feigning psychopathology among adolescent offenders: validation of the SIRS, MMPI-A, and SIMS.

Clinical decision rules for the assessment of feigning and related response styles have not been systematically investigated in adolescent populations. For instance, evaluations of feigning on the Minnesota Multiphasic Personality Inventory-Adolescent (MMPI-A) involve cutting scores extrapolated from adult studies with the MMPI/MMPI-2. Such extrapolations are unwarranted because (a) adolescents perform differently than adults on MMPI/MMPI-2 validity scales and (b) the MMPI-A validity and clinical scales are substantively different than the MMPI/MMPI-2. Given the dearth of adolescent data, this study examined the clinical usefulness of three measures in the assessment of feigning: MMPI-A, Structured Interview of Reported Symptoms (SIRS), and Screening Index of Malingered Symptoms (SIMS). Employing a within-subjects analogue study on 53 dually diagnosed adolescent offenders, we found that commonly used MMPI-A scales (F, F1, and F2) were ineffective, but that F-K > 20 appeared promising. For the SIRS, classification of feigning based on adult criteria yielded moderate positive predictive poser and superb negative predictive power. As a screen, the SIMS proved to be moderately effective in identifying feigned protocols. Finally, two-stage discriminant analysis offered initial support of the incremental validity of a combined SIRS and MMPI-A evaluation of adolescent feigning.

Adolescent↗