Journal Article

Dynamic Testing in Schizophrenia: Does Training Change the Construct Validity of a Test?

Karl H. Wiedl, Henning Schöttke, Michael F. Green and Keith H. Nuechterlein

in Schizophrenia Bulletin

Published on behalf of Maryland Psychiatric Research Center

Volume 30, issue 4, pages 703-710
Published in print January 2004 | ISSN: 0586-7614
Published online January 2004 | e-ISSN: 1745-1701 | DOI: http://dx.doi.org/10.1093/oxfordjournals.schbul.a007124
Dynamic Testing in Schizophrenia: Does Training Change the Construct Validity of a Test?

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Dynamic testing typically involves specific interventions for a test to assess the extent to which test performance can be modified, beyond level of baseline (static) performance. This study used a dynamic version of the Wisconsin Card Sorting Test (WCST) that is based on cognitive remediation techniques within a test-training-test procedure. From results of previous studies with schizophrenia patients, we concluded that the dynamic and static versions of the WCST should have different construct validity. This hypothesis was tested by examining the patterns of correlations with measures of executive functioning, secondary verbal memory, and verbal intelligence. Results demonstrated a specific construct validity of WCST dynamic (i.e., posttest) scores as an index of problem solving (Tower of Hanoi) and secondary verbal memory and learning (Auditory Verbal Learning Test), whereas the impact of general verbal capacity and selective attention (Verbal IQ, Stroop Test) was reduced. It is concluded that the construct validity of the test changes with dynamic administration and that this difference helps to explain why the dynamic version of the WCST predicts functional outcome better than the static version.

Keywords: Executive functioning; learning; verbal capacity; cognitive modifiability; Wisconsin Card Sorting Test; schizophrenia

Journal Article.  0 words. 

Subjects: Child and Adolescent Psychiatry

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