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DETECTION OF MALINGERING THROUGH THE USE OF RAVEN'S STANDARD PROGRESSIVE MATRICES

By Chittaranjan Andrade, John F. Tharakan and Sharmila Chari

Abstract

Raven's Standard Progressive Matrices (SPM) has been suggested to assist in the detection of malingering, and a putatively validated formula method for defining genuine and fake performances is available In the present study, 47 normal individuals were asked to fake cognitive impairment on the SPM; a day later, their genuine performances were obtained. As expected, the genuine performances were significantly superior to the faked performances: however, the formula method failed to distinguish between the two. The present study used logistic regression analysis to model genuine and faked performances; the method resulted in a 74.5 % accurate classification. It is concluded that, while the SPM may be useful in certain cases, it cannot reliably detect malingering

Topics: Malingering, Raven's standard progressive matrices, cognition
Year: 2013
OAI identifier: oai:CiteSeerX.psu:10.1.1.351.9529
Provided by: CiteSeerX
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