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The SCL-90 and the MMPI: A Step in the Validation of a New Self-Report Scale

The British Journal of Psychiatry · 1976 · Vol. 128(3) · pp. 280–289

Leonard R. Derogatis✉(Johns Hopkins Hospital)Karl Rickels(University of Pennsylvania)A F Rock(Georgetown University)

Abstract

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.

Psychometric Methodologies and Testing Psychological Testing and Assessment Health Systems, Economic Evaluations, Quality of LifeMinnesota Multiphasic Personality InventoryPsychologyClinical psychologyConvergent validityScale (ratio)PsychometricsValidation testConcurrent validityConsistency (knowledge bases)Internal consistency

MeSH terms

AdultAnxietyMental DisordersDepressionHostilityHumansMaleMiddle AgedMMPIObsessive-Compulsive DisorderParanoid DisordersPersonality InventoryPhobic DisordersPsychometricsPsychophysiologic Disorders

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