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Validity of a back pain classification scale for detecting psychological disturbance as measured by the MMPI.

Constructed a Back Pain Classification Scale (BPCS) to detect serious psychological disturbance in low back pain patients, validated against the MMPI. One hundred and twenty patients with low back pain were classified as functional or organic on the basis of BPCS scores. The group identified as psychologically disturbed (functional) had significantly higher MMPI elevations on Scales F, HS, D, HY, PD, MF, PA, PT and SC. None of their scale scores was significantly lower than the group identified as organic. T-scores above 70 were present only on Scales 1 and 3, which suggests a high incidence of essentially neurotic disorders in patients classified as functional. The use of the BPCS as a viable alternative to the MMPI in the medical setting was discussed.

Adult↗

Wechsler Memory Scale performance of elderly psychiatric patients.

Examined the performance on the Wechsler Memory Scale of 50 elderly psychiatric patients with a functional illness and 50 with an organic brain syndrome. A significant separation of the two groups is observed, and the a-priori definition of abnormal memory impairment is found to be significantly associated with organic but not functional illness. It is concluded that the WMS is a useful test for the population despite its shortcomings in other areas.

Aged↗

Separation of brain-damaged from psychiatric patients with ability and personality measures.

Previous research indicates that many brain-damage screening tests lack the ability to separate organic from functional patients at a satisfactory level. However, the Smith Symbol-Digit Modalities Test, the Benton Visual Retention Test, the Background Interference Procedure variation of the Minnesota Percepto-Diagnostic Test, and the MMPI Psychiatric-Organic Scale have shown some promise in earlier studies. Their abilities to separate brain-damaged patients from five functional samples in a psychiatric setting were compared here. The Smith proved capable of discriminating organics from all functional samples both before and after demographic matching. The Benton and the Minnesota Percepto-Diagnostic Test separated our organics from our functional groups before matching, but results with them after matching were unencouraging. The P-O scale separated the organics from four of the five functional samples before matching and two afterward. The combined use of the P-O and Smith provided a higher level of discrimination than that attained with either alone, correctly identifying 90% of the organics and 79% of the functional Ss.

Adult↗

MMPI correlates of the BEM Sex Role Inventory and Extended Personal Attributes Questionnaire in a male psychiatric sample.

Obtained normative data and MMPI correlates of two measures of sex role orientation (Bem Sex Role Inventory and Extended Personal Attributes Questionnaire) in a sample of male psychiatric inpatients (N = 55). Means and subscale intercorrelations similar to those found in college samples were found for each sex role scale. With regard to self-reports of psychopathology, desirable masculine traits generally were related positively to adjustment, undesirable masculine and feminine traits were related negatively, and desirable feminine traits were unrelated to pathology. No consistent sex role correlates with MMPI MF were found, contrary to previous research with normal groups.

Acting Out↗

Improvement in clients who have given different reasons for dropping out of treatment.

Addressed the dropout problem by (a) directly asking clients their reasons for dropping out; and (b) assessing pretherapy to follow-up symptom change in clients grouped by dropout reason. Forty-six dropouts who had been administered the Brief Symptom Inventory at intake were contacted 3 months later. At follow-up they were asked their reasons for dropping out and readministered the Brief Symptom Inventory. It was found that 39% quit due to "no need for services," 35% due to "environmental constraints," and 26% due to "dislike of services." The "no need for services" and "environmental constraints" groups had significant decreases in intake to follow-up Brief Symptom Inventory scores. Dropouts were found to be a heterogeneous group whose follow-up adjustment was related to termination reason. This contradicts prevailing notions that consider all dropouts as treatment failures.

Adjustment Disorders↗

Cluster analytic methods applied to the Minnesota Multiphasic Personality Inventory in a psychiatric population.

Cluster analysis and the MMPI were used together to determine whether the heterogeneous diagnostic groups could be identified in an inpatient psychiatric population. The effectiveness of four clustering techniques in separating diagnostic groups was compared using percent of coverage, between-sample replication, between-method replication, cluster differences on age, and cluster differences on diagnosis. The results showed cluster analysis to be a poor diagnostic discriminator when compared to diagnostic groups, which were considered the "true" clusters of the sample. The final conclusion of the study was that cluster analysis should not be used to form groups that would be diagnostically labeled because each analytic technique produced misleading results.

Adult↗

Treatment characteristics of psychiatric programs that correlate with patient community adjustment.

This large Veterans Administration cooperative study sought to identify the ward milieu characteristics of effective psychiatric programs. It was developed as a multivariable, correlational study that involved systematic observations of program characteristics and outcome effectiveness of wards as they operated in their usual manner. Seventy-nine wards in 18 hospitals provided 11,283 patients eligible for follow-up. Eleven treatment characteristics were found to be correlated to patients' community adjustment 3 months after discharge. These characteristics were classified into five general categories: Patient-staff interaction, patient activities, medication practices, ward physical environment, and nursing staff rotation. The major conclusions are: wards do differ in their effectiveness as measured by ratings of patient posthospital adjustment; and treatment characteristics make a difference in program effectiveness as measured by patients' posthospital adjustment.

Aggression↗

Characteristics and correlates of MMPI change within an adult psychiatric inpatient setting.

This study investigated characteristics and correlates of MMPI change scores among 188 male and female inpatients who were assessed at admission and upon completion of a 9-week residential program. Predictor variables included admission scores from the standard 13 MMPI scales, the Internal-External Locus of Control Scale, the trait component of the State-Trait Anxiety Inventory, and Shipley-Hartford Verbal IQ scores, as well as demographic variables including factors that involved psychiatric history. Outcome variables consisted of change scores based on raw score values for each of the 13 MMPI scales. Results of a canonical correlation indicated a significant relationship between predictor and outcome variables, which cumulatively accounted for 27% of the variance of outcome change scores. Findings were discussed in terms of implications for research and theory in the areas of the measurement of psychological change through use of the MMPI.

Adult↗

Replicated item level factor structure of the MMPI: racial and sexual differences.

Item-level factor studies of the MMPI date back to the work of Comrey (1957). Surprisingly, there are no extant studies of the items that clinicians use most in the course of daily MMPI interpretive reporting, namely, the 399 x 399 matrix that represents all of the items that comprise the traditional clinical and validity scales. Furthermore, there are no prior studies with adequate Ns that have examined the replicability of MMPI factor structure via available factor comparison techniques (Harman, 1976). In this study, 20,000 MMPIs were factored by the principal components method, followed by Varimax rotations of 6 through 25 factors. The coefficient of congruence was used to compare the factor structures of randomly divided subsamples, as well as males vs. females and Blacks vs. Whites. Differences in factor structure were found, and suggestions are made with regard to the significance of these findings in clinical and applied settings.

Adult↗

Disguise and the structured self-report assessment of psychopathology: II. A clinical replication.

Previous research on the use of disguise in structured tests of psychopathology is extended to a clinical population. Based on a sample of 112 adult psychiatric patients for whom clinical criterion ratings were obtained, psychopathological test item validities were calculated and related to indices of test item disguise. Data contraindicated the use of disguise and were interpreted in terms of the various philosophies of test construction that underlie the structured assessment of psychopathology. In particular, results suggested the merit of a rational test construction strategy that emphasizes the use of relevant test item content.

Adult↗

Factor analysis of the Diagnostic Inventory of Personality and Symptoms.

The Diagnostic Inventory of Personality and Symptoms (DIPS; Vincent, 1985) is a self-rating instrument that yields 14 clinical scale scores and a validity scale score. The scale scores present diagnostic classification information derived from major DSM-III diagnostic categories. This study replicates and extends a previous factor study by Vincent and Duthie (1986). DIPS data were collected from 170 psychiatric inpatients and outpatients. Both a principal components analysis and an oblique, cluster-oriented, marker variable factor analysis of the 14 clinical scale scores resulted in four factors, the first three of which reproduced the pattern of factor loadings found by Vincent and Duthie (1986). The results support the existing distinction between DSM-III Axis I psychotic and neurotic disorders, and Axis II characterological disorders.

Adolescent↗

The effects of description clarity and disorder type on MMPI-2 FAKE-BAD validity indices.

Simulation research indicates that the MMPI-2 validity scales easily detect faked-bad profiles that follow vague, but not specific, instructions. The present study compared the fake-bad validity scales (i.e., F, F-Back, F-K, Fake-Bad Scale, critical items, and O-S scales) for differences among one authentic and four simulation (fake-bad) groups. The simulation groups differed according to the type of disorder simulated (neurotic or psychotic) and the clarity of the behavioral descriptions they received (clear or unclear descriptions). Results indicated that the validity scales together could discriminate (a) clear from unclear description profiles; (b) neurotic from psychotic simulation profiles; and (c) authentic from simulated profiles. Actuarial analyses indicated that participants given clear character descriptions were more likely to escape detection than were participants given unclear character descriptions. Future research on incentive and punishment is considered.

Actuarial Analysis↗

History of affective disorder and the experience of fatigue in rheumatoid arthritis.

OBJECTIVE: To evaluate how a prior affective disorder (major depression or generalized anxiety disorder) affects current fatigue among individuals with rheumatoid arthritis (RA). To determine whether that relationship is mediated by self-efficacy expectations. METHODS: Forty-eight RA patients with a prior affective disorder and 74 without a history of affective disorder completed a mailed questionnaire that included the Multidimensional Assessment of Fatigue and indicators of neuroticism and self efficacy. RESULTS: RA patients with a history of affective disorder reported higher levels of fatigue than those with no previous affective disturbance. Controlling for neuroticism and self efficacy, affective disorder history continued to predict current fatigue. Mediational analyses revealed both direct and indirect effects (via self efficacy) of history of affective disorder on the experience of fatigue in RA. CONCLUSION: History of affective disorder independently predicts higher levels of fatigue in RA patients, and self efficacy plays a mediating role in this relationship.

Aged↗

The effects of race and social class on clinical judgment.

Asked 61 male clinical psychologists (21 blacks and 40 whites) to assess case histories that were presented to them to determine whether racial or social class biases could be detected. In order to avoid the apparent artificial results or weak interpretations of past research, only cases with concurrently validated diagnoses and 4-year follow-up were used. An equal number of positive and negative clinical outcomes were included. Diagnosis, disposition, and rated severity were studied. The following results were found: (1) diagnosis for all psychologists was guided by case characteristics, not bias; (2) severity was related strongly to diagnosis; (3) disposition followed judgments of severity and diagnosis, not bias. The question was raised whether clinical investigators may not have overdramatized bias in psychodiagnosis and clinical judgment.

Alcoholism↗