Effectiveness of the K correction in the detection of psychopathology and its impact on profile height and configuration among young adult men.

Wooten, Alvin J.

doi:10.1037/0022-006x.52.3.468

Cited by 13 publications

(8 citation statements)

References 7 publications

(7 reference statements)

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“…K-corrected scores on the clinical scales were found to be no more effective than uncorrected scores in discriminating between normal and abnormal Air Force personnel (Wooten, 1984), adjusted and maladjusted college students (Heilbrun, 1963), and patients and nonpatients (Colby, 1989). However, both Wooten (1984) and Colby (1989) reported that K-corrected scores produced somewhat lower false negative rates (i.e., clinical cases identified as nonclinical), whereas uncorrected scores produced somewhat lower false positive rates (i.e., nonclinical cases identified as clinical). These classification-rate findings are consistent with the conclusions of Hsu (1986), who examined distributions of uncorrected and K-corrected scores of psychiatric patients, medical patients, and nonpatients.…”

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confidence: 80%

“…However, both Wooten (1984) and Colby (1989) reported that K-corrected scores produced somewhat lower false negative rates (i.e., clinical cases identified as nonclinical), whereas uncorrected scores produced somewhat lower false positive rates (i.e., nonclinical cases identified as clinical). These classification-rate findings are consistent with the conclusions of Hsu (1986), who examined distributions of uncorrected and K-corrected scores of psychiatric patients, medical patients, and nonpatients.…”

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confidence: 95%

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The Appropriateness of the MMPI-2 K Correction

Barthlow¹,

Graham²,

Ben‐Porath

et al. 2002

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The extent to which the Minnesota Multiphasic Personality Inventory-2 (MMPI-2) K scale serves as a suppressor variable that influences the validity of clinical scale scores was examined using 274 male and 425 female outpatients from a community mental health center and 105 male and 247 female clients from a university psychological clinic. Hierarchical regression analyses were performed with MMPI-2 K scale scores and clinical scale scores as predictors and therapist ratings as criteria. In most cases, the K scale did not act as a suppressor Optimal K weights were different from the traditional K corrections. In most instances, there were no significant differences between correlations of therapist ratings with K-corrected and uncorrected clinical scale scores. The results do not support the K scale as a suppressor variable in these settings, although additional research is needed in settings where higher levels of defensiveness are common.

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confidence: 80%

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confidence: 95%

The Appropriateness of the MMPI-2 K Correction

Barthlow¹,

Graham²,

Ben‐Porath

et al. 2002

Assessment

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“…resolve the long-standing dispute about the MMPI K-correction, because although the criteria remain relatively constant, patient characteristics vary considerably (Wooten, 1984). The question about whether such score corrections can in general be expected to yield worthwhile gains cannot be definitively answered from the present research.…”

Section: Use Of the Cpi-emd Scale As A Standard Suppressor Variable Imentioning

confidence: 75%

“…resolve the long-standing dispute about the MMPI K-correction, because although the criteria remain relatively constant, patient characteristics vary considerably (Wooten, 1984).…”

Section: Use Of the Cpi-emd Scale As A Standard Suppressor Variable In Predictionmentioning

confidence: 99%

Employment-Related Motivational Distortion: Its Nature, Measurement, and Reduction

Hakstian

2005

Educational and Psychological Measurement

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The behavioral variable employment-related motivational distortion (EMD) was defined and measured. In Study 1, a sample of 250 undergraduates completed the California Psychological Inventory (CPI), Form 434, on two separate occasions in which they responded (a) honestly and (b) as if applying for a job they valued. Four different change measures indexed participants' response changes between the two conditions on a CPIbased scale measuring counterproductivity (CPI-Cp). A composite of these four measures provided an EMD criterion, which enabled the development, in Study 2, of a 56-item CPI-based EMD predictor scale. On the basis of eight samples comprising a total N of 2,074, internal consistency and test-retest reliability estimates for the CPI-EMD scale ranged between .72 and .86. Correlations with NEO PI-R domain and facet scales provided construct information about EMD. In Study 3, CPI-Cp scale scores adjusted for EMD manifested (a) reliability ranging from .71 to .87 over eight samples and (b) somewhat different correlations than for the unadjusted scale with Big Five personality scales. In addition, some evidence was found for gains in criterion correlations with EMD adjustments.

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“…More research has been suggested to investigate its clinical utility in various populations (Dahlstrom, Welsh, & Dahlstrom, 1972;Greene, 1980). The K-correction has been found to reduce efficiency in the detection of psychopathology in some clinical populations by increasing the number of false positives (Bloom, 1977;Wooten, 1984). Whether the use of the K-correction enhances or reduces the accuracy of diagnosis and interpretation in clinical populations remains unresolved.…”

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confidence: 99%

Methodological variations in the use of the MMPI for diagnosis of borderline personality disorder among alcoholics

Horváth

Jonsdottir-Baldursson

1990

J. Clin. Psychol.

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Methodological variations in the scoring and interpretation of the MMPI and their effects on discrimination between borderline and non‐borderline personality disordered alcoholics were investigated. Subjects were 49 male and female inpatient alcoholics in an Icelandic psychiatric hospital. Gunderson's Diagnostic Interview for Borderlines and the Michigan Alcoholism Screening Test were used to diagnose borderline personality disorder and alcoholism, respectively. Scoring and interpretation of the MMPI were varied in terms of the use and non‐use of high F‐scale profiles, and their impact on the frequency of various code types among borderline and non‐borderline personality disordered alcoholics was considered. It was found that such methodological variations do not affect the frequency of some profile types, and, consequently, the discrimination between the diagnostic groups. Studies and coding systems should consider methodological variations in the scoring and interpretation of MMPI profiles and their consequent effects on diagnosis.

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Effectiveness of the K correction in the detection of psychopathology and its impact on profile height and configuration among young adult men.

Cited by 13 publications

References 7 publications

The Appropriateness of the MMPI-2 K Correction

The Appropriateness of the MMPI-2 K Correction

Employment-Related Motivational Distortion: Its Nature, Measurement, and Reduction

Methodological variations in the use of the MMPI for diagnosis of borderline personality disorder among alcoholics

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