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PubMed1992

The derivation of gender-role scales GM and GF for MMPI-2 and their relationship to Scale 5 (Mf).

Separate scales for masculine and feminine gender roles (GM and GF, respectively) were developed for the Minnesota Multiphasic Personality Inventory-2 (MMPI-2) based on the item endorsements of men and women in the restandardization sample. Each scale reflects the pattern of answers of a majority of the members of the respective sexes. There are no items in common between the two scales, and they correlate -.10 with each other for both men and women. Distributional, temporal stability, and internal consistency characteristics were analyzed, as well as their item overlap and correlations with the basic profile scales. These separate unipolar scales were contrasted with Scale 5 (the Masculinity-Femininity scale, Mf), the traditional measure of these constructs in the Minnesota Multiphasic Personality Inventory (MMPI). The conjoint use of GM and GF to form gender-role groups is recommended to supplement and clarify the ambiguity of midlevel scores on Scale 5.

Adult↗
PubMed1993

The impact of response frequency on the Rorschach constellation indices and on their validity with diagnostic and MMPI-2 criteria.

I first examined the effects of response frequency (R) on the Comprehensive System's constellation indices (Exner, 1991). R is significantly associated with 26 of the 29 constellation criteria that are based on raw numbers and significantly correlated with total scores on each of the constellations. I then examined how R impacts the external validity of the constellations. The ability of the Schizophrenia Index and the Suicide Constellation to discriminate diagnostic groups appears to be impaired when protocols deviate from average length, whereas the Hypervigilance Index (HVI) appears most diagnostic of a paranoid condition when it is relatively elevated in brief records. R also clearly mediates the relationship between the Rorschach and Minnesota Multiphasic Personality Inventory-2 (MMPI-2) criteria. In lengthy protocols, many of the cross-method convergent correlations between appropriate MMPI-2 scales and the Depression Index, Obsessive Style Index, and HVI are quite high and approach the maximum found in personality research. In brief protocols, there are strong negative correlations between these constellations and self-reports of depression and interpersonal distress. Implications from these findings for the integration of assessment methods are discussed.

Adaptation, Psychological↗
PubMed1993

Clinical correlates of MMPI depression scales.

We investigated whether Scale 2 (Depression [D]) and the Wiggins Content Scale of Depression (DEP) of the Minnesota Multiphasic Personality Inventory (MMPI) have different clinical correlates when only one of these two scales is elevated. According, a group of patients who elevated DEP higher than Scale 2 (DEP > 2) were compared with a group of patients who elevated Scale 2 higher than DEP (2 > DEP). The patients with DEP > 2 were rated as being less severe than the patients with 2 > DEP on the following Brief Psychiatric Rating Scales: Somatic Concern (SOM), Emotional Withdrawal (WDRA), Depressive Mood (DEP), and Blunted Affect (AFF). The patients with DEP > 2 were rated as more severe on Excitement (EXC). The patients with DEP > 2 were more likely to receive the Axis I diagnoses of: bipolar disorder, manic, and alcohol abuse. Schizophrenia was equally probable for patients in the two groups. It appears that these two MMPI scales of depression have different clinical correlates when either one scale or the other is elevated.

Adult↗
PubMed1993

The MMPI and the MCMI in the evaluation of narcissism in a clinical sample.

Narcissistic and nonnarcissistic groups of psychiatric patients (n = 35 in each group) were formed on the basis of a criterion comprised of clinical judgment and scores on the Narcissistic Personality Inventory and compared on the Minnesota Multiphasic Personality Inventory (MMPI) and the Millon Clinical Multiaxial Inventory (MCMI) profiles and on six special narcissism scales. Significant profile differences between narcissists and nonnarcissists were obtained on the MMPI and MCMI. Four of the six narcissism scales produced significant differences between the two groups.

Adult↗
PubMed1994

Reliability of the MMPI-2 Subtle and Obvious scales with psychiatric inpatients.

Internal consistency reliability estimates were determined for the Wiener and Harmon (1948) Subtle and Obvious scales of the Minnesota Multiphasic Personality Inventory-2 (MMPI-2) with a group of psychiatric inpatients. Except for Subtle Scale 3 (Hy), Subtle scale reliabilities were unacceptably low, ranging from .32 to .59. In each case, inclusion of the Subtle items attenuated the reliability of the corresponding Full clinical scale. Removing the Subtle items resulted in comparable reliabilities across all Minnesota Multiphasic Personality Inventory-2 (MMPI-2) scales, ranging from .75 to .92. It was hypothesized that the poor reliability of the Subtle scales may attenuate the validity of the Full clinical scales.

Adjustment Disorders↗
PubMed1994

Frequencies of MMPI-168 code types among asymptomatic and symptomatic HIV-1 seropositive gay men.

Welsh codes of Minnesota Multiphasic Personality Inventory-168 (MMPI-168) profiles were calculated for 151 HIV-1 seropositive gay men and 27 gay seronegative controls. Although 99% of seropositives' profiles were clinically elevated, the profile configurations among subjects were varied. These data document the presence of considerable emotional distress among HIV-infected individuals, yet the heterogeneity of codes encountered argues against generalizations of seropositive subjects based upon mean MMPI profiles.

Adult↗
PubMed1995

Correspondence of the MMPI-2 and MCMI-II in male substance abusers.

The Minnesota Multiphasic Personality Inventory-2 (MMPI-2; Butcher, Dahlstrom, Graham, Tellegen, & Kaemmer, 1989) and the Millon Clinical Multiaxial Inventory-II (MCMI-II; Millon, 1987) were given to 306 men with substance use disorders, and scores on 45 MMPI-2 scales and 25 MCMI-II scales were analyzed separately into seven and five principal components. The first two components from both tests accounted for a majority of the explained variance and were well correlated across tests. They were labeled Emotional Maladjustment and Antisocial Traits for both tests.

Adaptation, Psychological↗
PubMed1996

Graying of the critical items: effects of aging on responding to MMPI-2 critical items.

The relation between age and several critical item sets on the revised Minnesota Multiphasic Personality Inventory (MMPI-2; Butcher, Dahlstrom, Graham, Tellegen, & Kaemmer, 1989) was examined. MMPI-2 protocols from veterans entering a Veterans Affairs domiciliary were obtained, and the number of Grayson critical items, Koss-Butcher critical items. Lachar-Wrobel critical items, and Caldwell critical items were tabulated. Another critical item set consisting of all items of the previously mentioned sets was also tabulated. This composite set was divided into a set that has items scored on Scales 1, 2, and 3, and a second set of items that were not scored on those three scales. The effect of age on Scales L and K was also studied. A one-way analysis of variance confirmed that the number of endorsed critical items was significantly less in older age groups, and L and K increased. The implication is that endorsement of a critical item may have increased clinical significance as a person ages.

Adult↗
PubMed1996

Internal structure of the MMPI-2 Addiction Potential Scale in alcoholic and psychiatric inpatients.

Recently, Weed, Butcher, McKenna, and Ben-Porath (1992) introduced two new scales for assessing alcohol and drug abuse with the Minnesota Multiphasic Personality Inventory-2 (MMPI-2; Butcher, Dahlstrom, Graham, Tellegen, & Kaemmer, 1989): the Addiction Potential Scale (APS), an empirically derived measure similar to the MacAndrew Alcoholism Scale (MAC; MacAndrew, 1965), and the Addiction Acknowledgement Scale. Like the MAC, the APS was designed to identify the personality dimensions associated with substance abuse. Although there has been evidence to support the discriminative validity of the APS among samples of abusers, nonabusers, and psychiatric inpatients (Greene, Weed, Butcher, Arrendondo, & Davis, 1992; Weed et al., 1992), there has been no attempt to determine the personality dimensions tapped by the APS. Thus our study investigated the internal complexities of the APS. Using MMPI-2 protocols from a sample of alcoholic and psychiatric inpatients, we subjected the APS to a principal components analysis with subsequent varimax rotation. Both qualitative and quantitative methods were used to name the components that were identified. Five components consistently emerged across settings: Satisfaction/Dissatisfaction with Self, Powerlessness/Lack of Self-Efficacy, Antisocial Acting-Out, Surgency, and Risk-Taking/Recklessness, Clinical advantage gained from a knowledge of the internal structure of the APS was illustrated using 6 patients from the alcoholic sample. A rational approach to validating the empirical structure of the APS was discussed as a potential avenue for future research.

Adult↗
PubMed1997

Detecting feigned depression and schizophrenia on the MMPI-2.

Increasingly, investigations evaluating the effectiveness of the MMPI-2 in the assessment of malingering employ methodologies whereby research participants are asked to feigned specific disorders rather than just to "fake bad." Yet there is little research addressing the issue of whether different validity scales and indicators work differently in the detection of different feigned disorders. In this study the comparative effectiveness of a number of validity scales and indicators on the MMPI-2 to assess feigned depression and feigned schizophrenia were evaluated. Overall, the validity scales and indicators were better at detecting feigned schizophrenia than they were in detecting feigned depression, attributable, most likely, to closer familiarity with depressive experiences. The validity scales F, Fb, and F(p) best distinguish patients with schizophrenia from participants feigning schizophrenia, and F and Fb best distinguish patients with depression from participants feigning depression.

Adult↗
PubMed1997

Confirmatory factor analyses of the Anxiety and Depression content scales of the MMPI-2.

A sample of 408 patients with substance use disorders was equally divided into derivation and cross-validation samples. All patients had taken the MMPI-2. Exploratory factor analyses of MMPI-2 item data in the derivation sample permitted construction of latent variable measurement models for the Anxiety (ANX) and Depression (DEP) content scales. The 2-factor models for ANX consisted of Trait Anxiety and Worry, and the 3-factor model for DEP contained factors of Trait Depression, Hopelessness, and Self-Depreciation. Confirmatory factor analyses in cross-validation demonstrated a good fit for both models and for their combination in a 5-factor measurement model. Latent variable correlations in the 5-factor model helped explain the high correlation and low discriminant validity of ANX and DEP.

Adult↗
PubMed1997

Detection of underreporting on the MMPI-2 in a clinical population: effects of information about validity scales.

We investigated the effects of information about the MMPI-2's validity scales on underreporting of symptoms in a clinical outpatient population. Adults participating in outpatient psychotherapy were randomly assigned to a standard control group or to one of two groups given instructions and incentives to underreport symptomatology. One of the underreporting groups was given brief information about the presence of validity scales designed to detect respondents attempting to create an unrealistically positive impression. The other underreporting group was given no information about the validity scales. A demographically matched group of adults from the general population who had completed the MMPI-2 under the standard instructions comprised a second control group. Results suggested that traditional and supplementary underreporting scales were reasonably effective in discriminating uncoached underreporters from standard profiles completed by both the clinical and the general population groups. These scales were somewhat less accurate in discriminating coached underreporters from either clinical or nonclinical standard respondents. These findings are consistent with previous results from a college student population suggesting that coaching about validity scales may interfere with the test's ability to detect underreporting respondents, although a few supplementary underreporting scales show promising resistance to the effects of coaching.

Adult↗
PubMed1998

Measurement of social introversion by the MMPI-2.

Psychometric characteristics of the Social Introversion (Si) scale, the Social Discomfort (SOD) scale, and the Si subscales of the MMPI-2 were examined in clinical samples of 122 psychiatric patients and 399 patients with substance-use disorders. The combined Si1 (Shyness/Self-Consciousness) and Si2 (Social Avoidance) subscales correlated highly with SOD and are apparent measures of the social introversion construct. Si3 (Self/Other Alienation) was found to be a measure of the general maladjustment factor of the MMPI-2. Content not included on the Si subscales was divided into a group of items that measures general maladjustment and 2 other item groups that may assess minor constructs related to social introversion. As in previous research, the 3 Si subscales accounted well for variance in Si scores.

Alabama↗
PubMed1998

Effects of psychopathology and demographic characteristics on MMPI-2 scale scores.

Using multiple linear regression analyses, we examined the effects of subject status for 6 demographic variables and the presence of psychopathology on variance in MMPI-2 scale scores. The analyses were designed to measure the incremental contribution of the demographic variables to scale variance beyond that explained by presence of psychopathology. Demographic variables were found to contribute little incremental variance for the validity and clinical scales, but did explain more than 10% of the score variance for 1 clinical scale, 2 content scales, and 5 supplemental scales. For these 8 scales, gender was most often the potent demographic variable and an expected influence. The results are discussed in light of the use of gender-based norms and in terms of other potential factors that might explain MMPI-2 scale score variance.

Adult↗
PubMed2000

Incremental validity of the Rorschach Prognostic Rating Scale over the MMPI Ego Strength Scale and IQ.

A recent meta-analysis found that the Rorschach Prognostic Rating Scale (RPRS) had a strong ability to predict subsequent outcome (r = .44, N = 783; Meyer & Handler, 1997, this issue). However, that review did not directly address questions of incremental validity. This article focuses on the ability of the RPRS to predict outcome after taking into account other sources of data. Across studies that examined both the RPRS and the MMPI Ego Strength scale, the RPRS had a strong ability to predict outcome (r = .40, N = 187), whereas the MMPI scale did not (r = .02, N = 280). Nine studies examined the RPRS along with an intelligence test and allowed direct numerical estimates of incremental validity to be calculated. Across studies, the RPRS demonstrated strong incremental validity after controlling for intelligence (incremental r = .36, N = 358). It is clear that the Rorschach can make unique contributions to understanding clinically relevant processes in ways that self-reports or measured intelligence cannot. Contemporary Rorschach scales should continue to be evaluated for their distinctive and incremental contribution to clinical practice.

Ego↗
PubMed2000

Psychological needs associated with MMPI-2 scales in a nonclinical sample.

The psychological needs derived from the Adjective Check List (ACL; Gough & Heilbrun, 1983b) that are associated with MMPI-2 scales were studied among 198 nonclinical participants. Both the Depression (D) and Psychasthenia (Pt) scales were negatively correlated with needs for achievement and dominance and positively correlated with needs for abasement and succorance (dependence). The Schizophrenia (Sc) scale was negatively associated with need for affiliation and positively associated with need for abasement. The Social Introversion (Si) scale was associated negatively with needs for achievement, dominance, affiliation, heterosexuality, exhibition, and autonomy and associated positively with needs for succorance, abasement, and deference, reflecting good construct validity for Scale Si. MMPI-2 Masculinity-Femininity (Mf) did not correlate with the ACL Masculinity and Femininity scales, suggesting poor concurrent validity for Mf.

Adult↗
PubMed2000

Utility of the MMPI-2 in assessing gender dysphoric patients.

We compared MMPI-2 (Butcher, Dahlstrom, Graham, Tellegen, & Kaemmer, 1989) profiles of 2 groups of adult biological men requesting sex reassignment surgery; 1 group was diagnosed with Diagnostic and Statistical Manual of Mental Disorders (3rd ed., rev. [DSM-III-R]; American Psychiatric Association, 1987) transsexualism and the other with gender identity disorder of adolescence and adulthood, nontranssexual type (GIDAANT). Although the mean profiles for the transsexual group did not demonstrate any psychopathology, the GIDAANT group showed moderate psychopathology. A cluster analysis indicated that 85% of the transsexual group showed low psychopathology and 47% of the GIDAANT group showed severe psychopathology. Neither the MMPI-2 results nor the DSM-III-R clinical evaluation support the conclusion of many authors that transsexualism is associated with severe personality disorder; rather, the data indicate that transsexualism and other gender identity disorders without persistent wish for sex reassignment differ significantly in degree of psychopathology.

Adult↗
PubMed2001

What do the MMPI scales fundamentally measure? Some hypotheses.

I consider the question of whether all psychopathological behaviors can, on an evolutionary foundation, be considered as positive adaptations. I proposed that higher functions can be differentiated from their associated emotional modulations at simultaneous subjective, behavioral, and neural levels and that organizing analyses in this way will enable us to fill in our understanding of both the effects and relief of traumatic experiences. I then present each of the 8 clinical scales of the MMPI (Hathaway & McKinley, 1943) as a dimension of positive adaptation with simultaneous cognitive-emotional, operant-classical, and neocortical-limbic elements. A variety of life-experience paradigms are then offered to explain the factors that operate to increase MMPI scale elevations as well as countermeasures that can operate to reduce such elevations. Understanding all such behaviors as adaptive leads to a notable enhancement of empathy.

Antisocial Personality Disorder↗