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Originalia

Das Eppendorfer Schizophrenie-Inventar (ESI) als methodischer Ansatz in der High-Risk- und Schizotypieforschung

Published Online:July 09, 2009https://doi.org/10.1026/0012-1924.55.3.153

Abstract

Zusammenfassung. Ergebnisse früherer Untersuchungen geben Anlass zu Zweifeln an der diagnostischen Validität vieler in der Schizotypieforschung eingesetzten psychometrischen Standardverfahren. Das kürzlich vorgelegte Eppendorfer Schizophrenie-Inventar (ESI) erfasst eine Reihe von psychopathologischen Symptomen, die sich in direkten Vergleichen mit anderen klinischen Gruppen wiederholt als besonders charakteristisch für Schizophrenie erwiesen haben. In der vorliegenden Evaluationsstudie sollte die Eignung des ESI für Schizotypiestudien geprüft werden. Dazu wurden N = 57 gesunde Erwachsene mit dem ESI sowie zu Vergleichszwecken mit der Perceptual Aberration Scale, dem Continuous Performance Test und der Span of Apprehension Task untersucht. Es fanden sich hypothesengemäß signifikante Korrelationen zwischen dem ESI und allen eingesetzten Vergleichsverfahren. Diese Befunde stützen die Annahme, dass das ESI schizotypische Persönlichkeitsaspekte bei klinisch unauffälligen Probanden erfasst. Seine Verwendung in High-Risk- und Schizotypiestudien erscheint vielversprechend.


The Eppendorf Schizophrenia Inventory (ESI) as methodological approach in high-risk and schizotypy research

Abstract. Results of former studies raise doubts abut the diagnostic validity of many psychometric standard instruments of schizotypy research. In several clinical comparison studies, the Eppendorf Schizophrenia Inventory (ESI) has been proved to measure psychopathological symptoms that are characteristic for schizophrenia. The suitability of the ESI for schizotypy research is unknown and was examined with a study on N = 57 healthy adults. For purposes of comparison, the Perceptual Aberration Scale, a Continuous Performance Test, and a Span of Apprehension Task were administered. As hypothesized, the ESI correlated significantly with all of the compared procedures. These results support the assumption that the ESI obtains aspects of schizotypal personality in non-clinical subjects. The application of the ESI in schizotypy and high-risk studies seems promising.

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