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Citation

Soilevuo Grønnerød, J., & Grønnerød, C. (2012). The Wartegg Zeichen Test: A Literature Overview and a Meta-Analysis of Reliability and Validity. Psychological Assessment, 24(2), 476-489.  http://dx.doi.org/10.1037/a0026100

Abstract

All available studies on the Wartegg Zeichen Test (WZT; Wartegg, 1939) were collected and evaluated through a literature overview and a meta-analysis. The literature overview shows that the history of the WZT reflects the geographical and language-based processes of marginalization where relatively isolated traditions have lived and vanished in different parts of the world. The meta-analytic review indicates a high average inter-scorer reliability of r
w = .74 and high validity effect sizes for studies with clear hypotheses of rw = .33. Although the results were strong, we conclude that the WZT research has not been able to establish cumulative knowledge of the method because of the isolation of research traditions. (PsycINFO Database Record (c) 2012 APA, all rights reserved)

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ShortDOI-link: http://doi.org/dhf7gp
Psychological Assessment


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