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Girard, Todd A.; Christensen, Bruce K. – Psychological Assessment, 2008
The correlation between a short-form (SF) test and its full-scale (FS) counterpart is a mainstay in the evaluation of SF validity. However, in correcting for overlapping error variance in this measure, investigators have overattenuated the validity coefficient through an intuitive misapplication of P. Levy's (1967) formula. The authors of the…
Descriptors: Error of Measurement, Computation, Psychiatric Services, Correlation
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Westen, Drew; Nakash, Ora; Thomas, Cannon; Bradley, Rebekah – Journal of Consulting and Clinical Psychology, 2006
The relevance of attachment theory and research for practice has become increasingly clear. The authors describe a series of studies with 3 aims: (a) to validate measures of attachment for use by clinicians with adolescents and adults (b) to examine the relation between attachment and personality pathology, and (c) to ascertain whether factor…
Descriptors: Psychometrics, Pathology, Adolescents, Personality Problems
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Sheikh, Alia I.; Marotta, Sylvia A. – Measurement and Evaluation in Counseling and Development, 2005
This article is a cross-validation of R. G. Tedeschi and L. G. Calhoun's (1996) original study of the development of the Posttraumatic Growth Inventory (PTGI). It describes several psychometric properties of scores on the PTGI in a sample of middle- to old-aged adults with a history of cardiovascular disease. The results did not support the…
Descriptors: Psychometrics, Program Validation, Item Analysis, Misconceptions